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Please help me if you know of any website that sells Trichoplusia ni eggs. Thank you.
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No
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What are the immediate measures to metigate the Human -leopard conflict in semi livestock rearing community.
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The HWC is a complex issue, and I don't think there is a good "immediate measure" to mitigate it for the human leopard conflict. However, Portfolio diversification and insurance mechanism are the two main mitigation measures practiced worldwide.
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I'm currently rearing the meal worms on wheat bran but one of my big problem is that despite of many efforts, I could not find any morphological characters which could help me to differentiate between males and females with high precision.
Anyone can help me?
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. به شکل پیوست مراجعه نمایید جناب دکتر مددی سلام وقت بخیر بهترین راه تفکیک جنسیت مرحله ی شفیرگی است
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I am involved in a project on biological control of the Comstock mealybug Pseudococcus comstocki in Switzerland. As part of this project, we are doing host specificity tests of a parasitoid and, besides P. comstocki, have tested so far the following non-target species: Pseudococcus longispinus, Planococcus citri and Phenacoccus aceris. We would like to test more species of the family Pseudococcidae and are looking for someone in Europe who could give us an identified starting colony for this purpose.
Thank you for your help!
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Dear Jinan, thanks for your answer, that is good to know! Which species are those? Just in general whatever is attacking ornamental plants? Are there some dominant species? Greetings, Lukas
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I am trying to rear D. hydei on Carolina Instant Medium (in an incubator at 25C with 12:12 L:D). I have not been adding yeast. The flies are surviving but not thriving. I’m looking for recommendations to improve things.
Ultimately, I want to observe oviposition behavior. I’ve read females begin courting much earlier than males. At what age have others tested egg-laying? Males and females same age? How long to allow them to lay eggs? Since they re-mate often, should I keep the males in the oviposition chamber? With D. melanogaster, I use 4-day old females that have been kept continuously with males but I put only females in the oviposition chamber (overnight for ~15 hours). Wondering how I might need to modify this protocol for best results with hydei.
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Hello Andrea,
I am attaching my 2 publications for your help. you can see the methodology and can use this in the citation as well (as a gesture of thanks).
good day!
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I may have to get a NL111 electrode holder for the existing NL102G headstage (Digitimer) for building up an ephys recording system. But apparently only the 2 mm pin at the rear of the holder holds the pipette holder assembly in place on the headstage, unlike the design of Axon electrode holder and headstage (Molecular Device). Should I be concerned about the stability of this connection and whether this provides a strong hold of the glass micropipette?
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Good afternoon. I think it's better to use holder
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Hi.
I want to shock a fish during the swimming performance testing to make it start swimming when it rests at the rear grid of my open channel flume.
I used a 9V and 24V power supply (with a 4A current limit) with a 3-ohm resistance to make a series circuit whose one end is left inside the water while the other end is tied to the rear grid which is made of stainless steel (with almost no resistance). However, when I turn the power supply on, the fish does not feel any current shock.
Could someone help me out by explaining what mistake I am doing and how can I fix my problem?
Thank you
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Dear Muhammad Usama Ashraf:
You can benefit from these valuable articles about your topic:
"Protection and Guidance of Downstream Moving Fish with Electrified Horizontal Bar Rack Bypass Systems"
###############
"Fish swimming performance database and analyses "
I hope it will be helpful...
Best wishes....
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Dear Scientists (Vector Biologist/ Public Health Entomologist),
Please look into the attached pictures and suggest what could be the reason for such type of mosquito larval mortality where they were covered in a slimy layer and died.
Also kindly suggest if any of you faced same problem and found the solution to avoid this.
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Hi,
We sometimes have this type of larval mortality with Ae. albopictus. This can be associated with bacterial growth or densovirus. In order to limit this, I advise you to change the water regularly (every days or two days), remove the dead larvae as soon as possible, avoid dense populations in a single tank, ensure that the room has a constant temperature around 25 : 27 degrees, and finally leave the water aside for a few days before transferring your larvae. You can also insert the food with a pasteur pipette at the bottom of the tank to limit the food on the surface.
I hope you find these tips useful
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I would like to quantify the morphology of snook reared under different situations and need a free program that can automatically recognize (or learn) specific landmarks from a 2 dimensional photograph. I am interested in statistically analyzing the morphology of normal and deformed hatchery-reared individuals using externally visible landmark-specific data collected from photographs. Understanding specific changes in body shape in relation to prolonged swimming activity due to high water velocity or rearing density in the hatchery or in the wild such as snook at bridge passes could be really useful. Ideally I would like the software to accept manually-specified customized landmarks from a fish image then "learn" to automatically recognize these points on any similarly oriented image of the same species (or eventually for other species). The next step would be to, standardize the data to remove within-cohort size effects, then statistically analyze patterns between and among groups of individuals. It might require multiple programs. Any help on this topic is greatly appreciated.
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You can use MorphoJ softwares. Very user friendly...
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I am currently conducting an experimental study. I don't have any methods on how to count the generations that might be exhibited by the insect that I mass reared.
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Number of generation depend on the life cycle start from egg. the time period of one generation starts till the mortality of the insect.It mean one generation include egg, different larval period and adult longevity.
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e artificial diet for rearing Yellow stem borer successfully (1 or 2 generations) in laboratory (Not on natural hosts)
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“Quantification of Serotonin in Rice and Insect Pest and its Functional Analysis in Insects Using Artificial Diet Feeding“ This a quiet good paper where artificial rearing of stem borer is mention. However the adult part of insect need to rear on rice plan.
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I'm designing leader follower feedback controller for crawler robots .Here rear wheel is connected to front via a joint so that it can follow front when it turns ,for both the module(front &rear ) I have used differential drive robots .Now I'm facing problem in turning constraints because of the yaw joint angle measurements.
Here I'm attaching the paper following
Thank you
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Dear researcher
Is there a way to remove the parasite spores in the hatchery center?
Last year, our sub-adult broodstocks became infected with this parasite; we had to remove them all and disinfect the entire hatchery center with chlorine.
Unfortunately, this year we faced this problem again and eliminated sub-adult broodstocks again.
These broodstocks were collected from farms; they were reared in the hatchery center itself !!!
- How is pollution caused?
- How can it be eradicated?
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Firstly you will have to fumigate the environment with either DD force or Snipper and after then make sure proper disinfectant method is been carried out once per week
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I intend to collect data on goldfish fecundity which I reared semi intensively. Which will be the best way to collect data on fish fecundity?
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I think u can use volumetric method it will help u to collect even smaller deviation in water.
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I am trying to rare falls army warm in the lab. Any help with preparing an artificial diet would be a great help
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I once attended a virtual event from one of the entomology societies in Europe. They say they are doing research by rearing locusts in the laboratory and then releasing them into nature for conservation purposes.
Why do you think they did that? Can you explain to me or share information regarding this?
What if one day the locusts that are released into nature actually migrate and cause harm to local agriculture and or even attack agricultural crops in other countries?
Please give your best opinion.
Thankyou. Best Regards!
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Locusts in natural ecosystems are an integral component. She plays an important role and ultimately - useful. In agroecosystems, locusts are harmful. The term harmful and useful insect was coined by man to describe the role of each insect in relation to man. But there are no harmful species in nature. The problem of locust harm lies within ourselves. An agroecosystem is a monoculture. When plants are grown in a small area field that are a food source, this causes a surge in the number of the locustes. Not all locusts harm the fields, only 3 species potentially cause crop damage.
Regards, Sergey
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I am involved in setting up an entomology lab in Portugal, and we are currently looking for starter colonies of Aphis fabae, Tetranychus urticae and Dermanyssus gallinae to purchase and rear in the lab in order to conduct efficacy and behavioral studies.
Suppliers in Europe are preferred.
Any help or suggestion would be much appreciated.
Regards,
Robert
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Dear Robert,
Nice advices to hear from colleagues, but in my opinion you may contact with specialist of your requested group of arthropods from natural history museums around Europe.
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I want to farm the flying termites to mitigate food insecurity and malnutrition in Kenya
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I have developed incipient termite colonies in the laboratory from the dealates of Odontotermes sp, Macrotermes sp, Microcerotermes sp. I can be possible but time taking and need particular climatic condition such as humidity, temperature and moisture.
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I have difficulty in mass rearing whitefly with fluctuating temperature and humidity, I'm considering rearing using an artificial diet, but I haven't found the right method.
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I have study and planned to estimate the pause days for each group of laying hens. this laying hens kept on deep litter floor system
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It seems to me, that in that way you just calculate the average laying (apparent) percentage of each group.
If for some reason (treatment related or not) some hens lay their eggs outside the laying nests or eat their eggs, you will not collect those eggs, so your calculations are compromised by those facts.
At present I do not understand why you want to calculate pausing days instead laying percentage to compare groups.
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Hello everyone,
I am going to rear the European grapevine moth Lobesia botrana in the laboratory to study the biology of this moth and test some pesticides. In this time, I got a number of larvae from grape berries but all larvae dead when I feed them on new grape berries or grape juice. Does anyone know artificial media that I can use to rear this grapevine moth?
Thanks in advance for your suggestions!
Kind regards,
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Example: rearing in breeding cages or ground cages?
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Hi
First you should decide about the quail type: meat-type, egg producing-type, or dual purpose. Then, how is the available equipment for rearing period: rearing on floor or in the battery cages? If you want to design a breeding plan, you need pedigree and identified individuals. Utilizing wing tags is preferred. For meat-type and dual-purpose quails weekly phenotyping for body weights at least till to week 6 will be useful. For egg production periods, while egg laying quails usually reared for a ling time, quail breeding is recommended for one year.
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The caterpillars of the moths were collected as fruitborers in pepper at a farmer. I reared them till the adults hatched and compared them with pictures and descriptions on the internet. Are these moths Spodoptera frugiperda? The caterpillars have different colors, but I did read that they can vary in color. The same caterpillars were also found inside bittermelon as fruit borers. Does anyone know if S. frugiperda really can be a fruit borer? I only found information that the older caterpillars act as borers in corn.
Compared with the descriptions on the internet, my caterpillars also have a Y-shape on their headcapsule. They also have the four spots at the end of their abdomen.
In the pictures you can see: 4 moths (presumably 2 females and 2 males); some caterpillars of different colors; the pupa; and eggs about to hatch.
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Yes it looks S. frugiperda.
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Does anybody have an idea on how to successfully mass-rear Nesi bug? In full details, please! Any suggestions, thank you in advance.
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I rear Nesidiocoris tenuis on tobaco plants in cages/ Feed with Sitotroga cerealella eggs and bee collected polen.
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I work at a fish hatchery in northern Michigan that has had issues with pond rearing Walleye. This year I noticed that both of our 0.4 acre ponds experienced cyanobacteria blooms and continued to dominate the plankton assemblage. One of which has since crashed and has not had a fry sighting since the crash. Is this a problem seen in other facilities? What are some possible routes to prevent cyanobacteria blooms and eventual crashes in such small ponds? We check N:P ratios twice a week and fertilize accordingly to maintain a 20:1 target. Any information would be extremely helpful!
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Everything that William said and if you have the opportunity to deploy aerators in your pond system that may help also.
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what is the vaccine program for broiler reared to 42 days ?
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Including: diet and temperature for increasing of pupoulation in Laboratory.
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Yes I have been working for 3 years on the biological fight of Ectomyelois ceratoniae Zeller (Lep .: Pyralidae), there are several breeding methods but the breeding on dates remains the most effective especially in temperatures over 30 degrees
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I have a data set where I measured the latency in seconds of birds jumping from a perch to a platform. I repeated these trials for each individual 3 times and have covariates of age, rearing treatment, and height of perch. However, not all the birds jumped and therefore I have latencies of zero. How can I account for these latencies in the model?
Thanks!
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This is an example of survival analysis (https://www.annualreviews.org/doi/full/10.1146/annurev.publhealth.18.1.83) in medicine. You are presumably assuming that given enough time the bird will jump, so that the data for those response times are censored if they are above the threshold you set by the duration of your study. As with the medical example, these long (censored) times likely correspond to systematically different birds than those who jump during the study's duration. Lots on this, so google survival analysis.
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A few days ago, I came across a company that have taken sea turtle hatchlings as they emerged from their nest.  The goal of this company was to rear in captivity while they are on public display (as attraction and to increase revenue), then release them after they believe they are big enough.  
I am in the middle of compiling evidence that it is detrimental to the sea turtle hatchlings to be kept in captivity and within constant human intrusion.  Therefore, I also need enough information about the law and legislation with regards to the conservation of sea turtles to issue proper evidence to this company and discourage them to do so.  
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To avoid having run-ins with your government, check the legal framework concerning how to be allowed to rear a wild animal. I wish you a good attempt.
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Earthworms can make up for the protein requirements of poultry to a greater extent. I want to find efficient ways to make this practice of using earthworms as a protein source popular among farmers.
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Very interesting question, earth worm needs carbohydrate and protein. Any material which provide it should be recommended.
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Dear colleagues:
I had an interesting discussion with my labmates about what is considered exploration in object location or object recognition tasks. In my experience/opinion, object exploration performed by roedents is defined just when the animal snif directly the object, with a clear "intention" to explore (figure1). According to my labmates and published pappers, exploration is defined when the animal brings its head closer to the object. Automated softwares quantify any entry in a determined circle around the object.
My concerns are related to:
1.- when the the animal sometimes hides behind an object, in this scenario is not exploring, just being there, sometimes even immobile (figure2).
2.- sometimes rats use the object to rear and snif pointing its nose to the upper part of the arena, not in the object direction (figure3).
Can you share your opinions about this concern????
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It is by opposing intent that we prove its existence. (That comes obliquely here from security operations which have a duty through unambiguous warnings or non-lethal opposition to prove hostile intent in challengers before the use of force).
So, if you dangle the object above the ground but in the limits of reach, then your subjects prove their exploratory intent by both stretching up and sniffing. All sniffers are then more obviously explorers, and hiders and recliners are ruled out.
More generally, if the subjects had to overcome discomfort or fear in order to venture ever closer to an object, then it's much more likely that their intent is to explore. The greater or more numerous the obstacles, the greater the intent.
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I don't really know if it is a problem with designing my subsystems ( I ran subsystem simulation analysis before assembling and no errors came up ) or problem with my full-car simulation test inputs ?
FYI : this is a suspension project (Front : Double Wishbone and Rear : Trailing arm )
my error and inputs are uploaded .
Be delighted to hear you views and get rid of this plight .
thanks
نمیدونم مشکل از زیر سیستم هست و یا اینکه داده های تست شبیه سازی ؟ چون تست روی زیر سیستم های جلو و عقب ، در ادمز کار ، انجام دادم ولی هیچ اروری نداشت ولی در تست فول کار ارور میده که عکسش را گذاشتم .
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Hi Behanm,
May I know How to Run Simulations in Batch Mode from the Command Line?
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A monocular camera is to be calibrated, which is located in the area of the vehicle and looks in front of the direction of travel. During the calibration, the extrinsic parameters (position and rotation between the camera coordinate system and the origin of the vehicle coordinate system: Center of the rear axle of the vehicle) should be calculated. The camera parameters are calculated online, i.e. while the camera is taking pictures. The algorithm should automatically calculate the extrinsic parameters from driving scene images while driving.
I am looking forward to your feedback !
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you can take a video stream on a straight line and then use motion vectors
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The company i'm working with mass rear Hermetia illuscens and so the old school way by separating the hemolymph by hand is not possible for commercial production.
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Hi Michael
I found one paper where they mention the design and implementation dispositive multiple recolection hemolymph
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Does anyone know of any artificial diets that are optimized for the rearing of the bird cherry-oat aphid (Rhopalosiphum padi)? How about diets that are optimized for rearing cereal aphids in general? Thanks!
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Dear experts,
I want to culture Cloth moth (Tineola bisselliella) in India for evaluation repellency of some plant derived-oils against them. I really need help to find its Mother culture, if any research institute or scientist engaged in this study.
Would appreciate if anybody share their experience or approved method of rearing these moth under lab condition.
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Perhaps this paragraph extracted from the reference that I quote below will be useful for you:
" The eggs, larvae, pupae and adults of T. bisselliellu came from our rearing room (temperature, 20-25”C, relative humidity (r.h.), 40-60%). Insects were reared on pieces of rabbit skin in clear polyethylene boxes (18 cm x 12 cm x 7 cm) with ventilated lids. The total lifespan of T. bisselliellu is extremely variable in these conditions, which are natural for this synanthropic species. The lifespan depends on the temperature and larval density (Titschack, 1922) as well as on the r.h. (Chauvin, 1977; Chauvin et al., 1983). In our laboratory conditions, the complete development from egg to adult lasts between 80 and 150 days (Chauvin et al., 1992). Adults do not feed and live approximately 10 days. Eggs hatch after 10 days. .During its growth, the larva goes through 5-20 moults in a period which can vary between 40 and 100 days. Pupation lasts approximately 15 days. "
From:
G.Chauvin; G.Vannier., Supercooling capacity of Tineola bisselliella (Hummel) (Lepidoptera: Tineidae): Its implication for disinfestation. Journal of Stored Products Research
Volume 33, Issue 4, October 1997, Pages 283-287
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It has been alarming that human activities had increased many proportions and had led to many anthropogenic activities which had been directly and indirectly affecting the natural ecosystems. These activities have replaced many of the endemic natural vegetation with non-native species of vegetation with choices to few species by mostly raising monoculture plantations so as to have increased returns meet the increasing needs of the society. In the process, there has been the dominance of non-native invasive species. Even we see hunting and trade in many of the wild animals. Even many of the countries have even made wildlife rearing legal just to meet their culinary needs. Under the above background, it has been obvious that this is leading to increased incidence and virulence of the diseases.
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The removal of trees without sufficient reforestation has resulted in habitat damage, biodiversity loss, and aridity. Deforestation causes extinction, changes to climatic conditions, desertification, and displacement of populations, as observed by current conditions and in the past through the fossil record.[12] Deforestation also has adverse impacts on biosequestration of atmospheric carbon dioxide, increasing negative feedback cycles contributing to global warming. Global warming also puts increased pressure on communities who seek food security by clearing forests for agricultural use and reducing arable land more generally. Deforested regions typically incur significant other environmental effects such as adverse soil erosion and degradation into wasteland.
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Dear all
I need to culture/ rear earthworms for some toxicity assessment. I know that the type of leaf litter always influences the growth of earthworms. However, I have a doubt that how shall I decide which type and what all leaf waste/ kitchen waste I shall include for making leaf litter to rear earthworms? Kindly help.
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You want to avoid conifers. In the case of deciduous species select those which are low in lignans and tannins. See the following, available on ResearchGate
Reynolds, J.W. 1972. The relationship of earthworm (Oligochaeta: Acanthodrilidae and Lumbricidae) distribution and biomass in six heterogeneous woodlot sites in Tippecanoe County, Indiana. J. Tenn. Acad. Sci. 47(2): 63–67.
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I am working with tuta abusoluta, testing eficcacy of several pesticides. My challange is on finding the artificial diet for the insects. What type of artificial diet which can be used to rear Tuta absoluta?
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I think you do not need to rear this insect on the artificial diet. This insect pest can be reared well on healthy tomato plants (2-3 weeks old) using 50 x 50 x 50 cages with replacing the plants every week or 10 days.
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I am planning to conduct a cage study to determine a critical density of an univoltine casebearer moth in red clover seed crop. This requires to release first instar larvae in the cages with the plants. However, I guess I can't rear them to get a lot of eggs. Can anyone suggest, how should I get the eggs?
Thanks
Babu
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Usually feed the most desirable vegetation to the moths, as for silkworms?
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Hermetia illucens (BSF) is an insect and its larvae are reared for use fish and chicken feed.
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Dear Dr.Ilhan,
"Although they are not known as a disease vector, adult soldier flies are a potential mechanical vector of various pathogens. A more likely negative interaction would be accidental ingestion of black soldier fly larvae by animals or humans"
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Dear all,
I have found this coccinellid beetle specimen on a survey and did not able to identify the spp. Size and shape very much similar to Micraspis discolour. But having black colour big marking at rear end of right wing. Please mention its scientific name if anybody families with this spp.
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James Des Lauriers Dear Professor,
I found specimen from Uda Walawe, Sri lanka.
Latitude 6.4667
Longitude 80. 8833
Mean sea level 76 m
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In Hindu countries, Buffaloes and Goat rearing are best because they are dual purpose and in that sense after milk production they can be utilized as meat production, But Cattle only used for milk production half of their life and rest of their life management becoming big issues in Hindu countries, they can't be killed because it is attached in religious manner and even their management is costier only for their dungs which is not primary utilization. Thus I think due to non recyclable nature of cows they are not good for Hindu countries farmers.
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Not bad. Only the management of old and unproductive cows and male born calf is challenging.
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In mass rearing of mealworm, Tenebrio molitor, I have a problem. Many pupae are getting black and die. Can anyone guide me? Please look to attached file.
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Can anyone help me out in separating male and female adult mealworms. Pl
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Hi ,
I am working on a problem, where total weight(rider+motorcycle) is NOT equal to summation of ground reaction forces(GRF)under static conditions (Motorcycle is steady). Does that mean difference between total weight and GRF (total weight>total GRF) is absorbed by Shock absorber? And moreover does this difference causes the Shock absorber length to reduce? I know the value of stroke and stiffness for front and rear shock absorbers.
So, basically I want to know if the GRF at tyres will decrese with the use of shock absorbers.
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The GRF must be is equal to the total weight of the (vehicle + rider)/4 if it is 4 wheeler
once check your CG position
During motion, the GRF will change due to energy dissipation of Shocks
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I need to purchase both moth species for laboratory experiments. Any suggestions? Thanks!
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Hi Jaime,
Benzon Research sells codling moth but not OFM. https://www.benzonresearch.com/
Larry Gut's lab at MSU has both CM and OFM in colony and might be able to send you some critters to start your own colony (I doubt they can provide ongoing shipments though). DM or email me if you want to get in touch with Larry's lab.
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As a speckle free calibration reference in my rear projection measurements, i projected speckle free light source on to the intermediate screen and captured the image via monochrome cmos camera.When i calculate speckle contrast of the image, it is not zero it still gives .022. Why is it so?
A speckle free light source, does not have speckle and If this is not speckle contrast then what is this? Is it some kind of sensor noise?
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I believe there are only 2 editions. The 2nd edition was published by SPIE press. You should be able to get that one for relatively cheap.
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hello,
can anyone solve the meshing of following object(car door)??
Type of meshing to be used: 2D Quad Meshing (up to 10% tria elements allowed)
(NOTE: The mesh size should be such that the variation in output between the two consecutive mesh sizes should be zero or minimal)
 limit- Nodes -32000
         Elements- 32000
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It's a 3D model. Do u need mid surface mesh for this geometry as u mentioned 2D mesh...??
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Hi
I am breeding locusts in 2 X 2 X 3 cubic feet plastic and glass rearing cages. Got the adults from nymphs successfully but remain unable for the next generation as pairing is not happening.
Can the experts advice of the colleagues help me to achieve the pairing and egg laying?
thanks in advance
Munir
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First of all, I assume that you are rearing desert locusts. Can you confirm? If so, then those cages are not ideal. I prefer wire mesh cages with one side of plexiglass that can be shifted up and down to facilitate refreshing their food. By the way, how long have to waited for mating to happen? Have the adults already turned yellow? If not, you should wait a bit longer.
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The point is to look through research works on rear mirror modeling. Vectorial Optics
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There is TED talks which handle this issue!! Title: Camera that can see around the corners. David Lindell
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I am doing a research on fruit flies (Bactrocera zonata) and i have tried to rear it many times in a cage under laboratory conditions but i didn't get any egg and even there were no mating. The flies well lived for more than a month but without mating and eggs.
Please give me your suggestions and advises that help to induce mating and egg laying.
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James Des Lauriers Thank you very much for your respond
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I would like to model a rear mirror system of the vehicle in order to trace a visible vectorial area from a drivers point of view
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Have you looked at ZEMAX optical design software, which is not freeware, or any of the freeware optical ray tracing software?
Regards,
Tom Cuff
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I'm interested in hearing mayfly nymphs, not only on last instar (as usual for those working with association of individuals). However, I'm struggling to find methodologies. What do they eat? Do I need a pump in the aquarium? Do I need substrate?
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I have never reared them, just mostly turned over stream rocks or substrate to see if they were present. Most mayflies live in good to high quality water as do stoneflies and many caddisflies. Most mayfly species are relatively intolerant of pollution, and good habitat substrate would be probably gravel, some cobbles and I often find them on the bottom of flat rocks. They do best in water with moderate to high alkalinity as these waters often exhibit high aquatic productivity and where rock surfaces can develop some green algae to support the nymphs. So most eat some micro-plant or detritus organic materials. They need moderate to well oxygenated water and some water flowing through materials would be similar to their stream habitats. They probably move from the more open flat rocks to the relative safety of gravels during storms as stream velocities increase, and I am not sure if they increase feeding at night when there are less predators. On the bottom of a large flat rock in the day, in good quality stream habitat, one might find maybe 0-6 mayflies. I remember finding only a couple situations where there might have been a dozen or more on one large flat rock.
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Hi all,
I have a set of open field test in which i want to detect grooming, supported rearing and unsupported rearing behavior.
Ethovision XT was somewhat OK for the grooming but couldn't correctly identify supported and unsupported rearing.
Does anyone know of a free opensource software that will be able to do this?
the tests are shot from above.
Thanks!
Gidi
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Check out this recent review from the DLC Lab 10.1016/j.conb.2019.10.008 . They have a good overview of open source behavior tools, maybe you will find something. From the top of my head, i would say MotionMapper has a mouse version on GitHub that might do the trick, altough i never tried Grooming.
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We are struggling for the past three weeks to rear zebrafish in lab conditions for multiplication purposes. We have referred to the paper and are following verbatim.
Can u suggest, so we can see some growth and able to establish its culture
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What problem you are facing? Can you elaborate? We are successfully rearing zebrafish for last two years without any high-end facility.
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I face this proplem in fungal colonies rearing in nursaries.
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Not sure specifically about spider mites, but we have found that a quick way to retrieve mite contaminated cultures is by freezing at -20 for at least 24 hours (should kill both adults and eggs) as outlined in this guide: (http://www.fgsc.net/neurosporaprotocols/How%20to%20deal%20with%20mite%20infections%20and%20to%20minimize%20their%20occurrence%20final.pdf )
And then thoroughly cleaning and decontaminating the lab.
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I am interested in the area of artificial insect diets for rearing. Particularly diets that can be manufactured and commercialised. Does anyone have expertise in this area or can comment on the future prospects and trends for artificial insect diets ?
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Hello,
With the well known McMorran artificial diet (or with slightly modified similar diets) have been reared successfully many insects (mainly Lepidoptera, but also Coleoptera, Orthoptera, ..). The success of this diet is associated with the use of wheat germ and linseed oil as ingredients. Please check the following useful link.
These artificial diets are being prepared and sold. http://insect.glfc.cfs.nrcan.gc.ca/cart-panier/diets-dietes.cfm?lang=eng
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We will be collecting and keeping stonefly, caddisfly, and mayfly naiads. Thanks for any advice or recommended literature.
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Please take a look at this useful PDF attachment.
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Respected seniors,
I have written APDL code for MIG welding simulation in WB. In my algorithm, I apply heat generation load after checking whether element lies in front or rear part, material being structural steel. After solution, temperature of all elements remains the same in each load step. In solution information, I identified that values of x and z coordinates change by a "very small amount" due to which power density equation gives almost equal values for all elements. Also, I have double checked all the parameters with other research papers but could not figure out the problem. What seems to be the problem? Does the coordinate systems need some sort of scaling or any algorithm issue or sth else?
Thanks.
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Dear Nader, sure.
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I have FCR of Anabas testidunius (initial weight of 3.5g) less than 0.5 after 7wks of rearing and attaining 35g? Anyone with similar experience or reason why it might be so?
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It would be better to check the calculation again based on the fish body weigh and then measure the feed given on. However, how many times you had applied the feed and what about the protein percentages?? It should be re-check again and feed should be given on satiation basis.
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Hello everyone.
There should be a relationship to get the velocity of front car considering the rear car velocity is determined. Knowing this velocity is necessary for me to model a rear-end collision. I will then find an expression for the seat backward reclining motion during the impact brought about by the rear car.
Thanks in advance.
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is your car equipped with any sensors? Radar, Lidar? Camera (not a good option)? maybe V2V???
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Dear all,
I am working at a German research facility and we are rearing D. pini for scientific purposes. Right now, we are having way too many larvae in our rearing so we are giving them away for free because otherwise we have to kill them. So if you need larvae for reserach please contact me and we will send them to you.
Kind Regards
Lana
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Thanks a lot for Pharmacognosy related interest . The best way to upload a picture with your question .
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We are planning to use thermal imaging for goats reared under extensive system
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Rohit Kumar thank you bro
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An article title: cattle rearing and its contribution to Nigeria economy: an econometric analysis, 1999 which was the same title with my publication in 2017
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You can delete it from your profile
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I am working on a project that aims at utilizing egg parasitoids (especially Trichogramma dendrolimi) as biocontrol agents against Dendrolimus pini in Germany. I found some publications about that but most were in Chinese (which I unfortunately do not speak) and most of them were from the 80s.
I found it somewhat difficult to find out whether egg parasitoidis were still utilized as biocontrol agents against this oder other Dendrolimus spec. in China or in any other country. It would be very helpful for me to know if this is the case. If not, I would like to understand why this programm was stopped or has failed. It would be also great to find some recent publications about this topic.
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Trichograma is a very well known wasp used to control Dendrolima . It is still a biocontrol agent of choice. However, in a given population of Trichograma dendrolimi not all the individual can parasitize the eggs. Hence it is essential to clone the effective ones and then use which makes it expensive over other pesticides.
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We are rearing a colony of B zonata for research in lab from field collection. adults have emerged but there is no egg laying. we are feeding with the diet recommended in literature.
any reason for not laying eggs?
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you did not specify much so here are a few reasons:
a) time - the sexual maturation of B zonata takes about 21 days from adult emergence. did you have enough patient to wait?
b) egging apparatus - do you give them fruit to lay eggs in (like mango) OR are you using an artificial egging device?
c) health - (check if you have lots of dead flies in your cages) make sure they are not overcrowded and that they have lots of fresh water supply (cups with water soaked cotton-wool that you daily check and add water when needed)
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Hi everyone,
I just started to work on this species so any help is appreciated.
I have found numerous synthetic diets in the literature but a lot of rearing is still on sugarcane, so I'm thinking that maybe the efficiency is questionable. Additionally, the majority seems to focus mainly on ingredients that are readily available locally, but not so much in another country.
So my questions are:
- Do you use and recommend any synthetic diet?
- Where do you source the ingredients? Is it available internationally?
- A typical ingredient is date palm tissue, is this commercially available?
Thank you!
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Thank you for the references. I have those. As I specified the issue is some of the ingredients. You can see that all your references either use date palm bolts (natural diet) or date palm tissues, which I don't know if I have access here (the university doesn't have a field station). Additionally, the articles don't specify which specific tissues are used in how they are prepared (chopped, ground, etc) to add to the diet. Do you know which specific tissues these would be and if they are available commercially? The weevil eats the internal part of the stem but to get this part you would need to sacrifice the tree, the fronds are more accessible but to get the most nutritious you would make the palm vulnerable to infestation by the weevils, as the volatiles released by the cut attract the weevil. And if you get the fronds that are normally cut at the end of the production season, those are poor in nutrition. But the nutrition can probably be provided by the other ingredients of the diet, so the importance of the date palm tissue are in terms of fibers that can be used for pupariation.
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Given a car image taken by the flying drone, I need to identify the make, model and year of the car. Is there any existing image database specific for the car images taken from the top view. I searched a number existing database, the viewpoints for each car model include front (F), rear (R), side (S), front-side
(FS), and rear-side (RS) but not from top. 
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Rhodococcus coprophilus was isolated consistently from feces of farm animals, poultry reared in proximity to farm animals, freshwater, and wastewater polluted with animal fecal wastes. It was not isolated from samples of human feces
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Unfortunately I didn't use that indicator, good luck.
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The objective of the system is to design low cost electronic differential for battery operated vehicle ?
the overall function of the system are
  • A micro controller is been used for collecting the data(ex: Speed of car,stability,angle of steering and rpm of wheel ) and control the speed of two rear wheel(in wheel motor) for making the correct steering.
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I em not work in the battery electric vehicle field. In my opinion it is the interesting issue.
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Dear All,
All is in the title :-) I think about Braconidae especially ;-)
Best regards
Yves
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Natural enemies: Parasitoids, predators, pathogens, micro-organism and other diverse group i.e. mammals, birds, amphibians, fish, snail and nematods. 15% natural enemies so far identified.
Braconids: Large family in Super family Ichneumonoidea used in applied biological control and natural control.
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I have conducted a experiment to investigate impact of varying pH and temperature on ingestion rate of copepod. I used 4 different species of phytoplankton Dunaliella sp, Isochrysis sp, Pavlova sp, and Chlorella sp. I calculated ingestion rate and egg production of copepod reared under different pH, temperature, and algae. I need to include algae's growth in response to varying pH and temperature in the manuscript. Also, it seems that linear plot should be plotted using algae growth. If you don't mind, could anyone please suggest me some way in expressing algae's growth in response to different treatments? Also, regarding data I used separate bottles with algae(control) and algae+copepod(Test) for ingestion rate calculation (Frost, 1972).
Please advice
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@Mihovil turcinov: Thanks. Yes, calculating in this way gives growth rate mu per day.
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I wanted to collect adults (moths) of Grapholita molesta using pheromone traps, but those traps have selection only for male adults.
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First, you need to collect males and females to start a breeding stock. Collect fruits of nectarine and peach infested by the Oriental fruit moth Grapholita molesta. Place them on a tray with soil in the bottom. The larvae once they finish the cycle, they pupate on the ground. Then place the pupae in a hatching cage to get the adults so that they can mate and lay eggs. The larvae can be raised in artificial diet as in the annexed article. Good luck.