Science topics: AgricultureAquaculture
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Aquaculture - Science topic
Explore the latest questions and answers in Aquaculture, and find Aquaculture experts.
Questions related to Aquaculture
Is leveraging on AI the best way to optimize fisheries and aquaculture practices while ensuring ethical, ecological, and socioeconomic sustainability?
“Rethinking Aquafeeds: Can Sub-Saharan Africa’s Aquaculture Thrive Without Wild Fish?”
As aquaculture expands across Sub-Saharan Africa, the overreliance on fish-based feed raises critical sustainability concerns. How can we break free from the "fish in, fish out" cycle without compromising growth and nutrition? Innovative alternatives—plant proteins, insect meal, and single-cell ingredients—offer a pathway to a more resilient industry. But are they viable, accessible, and nutritionally adequate? The future of fish farming depends on bold discussions and decisive action. Join the conversation on sustainable aquafeeds and help shape the next wave of aquaculture in Africa!
Would you like it to be more technical or tailored to a specific audience?
pollution exerts a multifaceted and detrimental impact on parasite communities within coastal ecosystems. By compromising host immune systems, disrupting host behaviors, degrading habitats, and directly affecting parasites, pollution disrupts the delicate balance of parasite-host interactions. This can lead to increased disease prevalence, loss of biodiversity, and significant economic repercussions for coastal communities reliant on fisheries and aquaculture.
At our aquaculture school, we recently added a course on land-based cultivation of seaweed. To your knowledge, what is the best practical guide or handbook for training students in this type of culture? Are there any standard methods widely used by the industry ?
Why the Indian Aquaculture industry not using Block chain Technology?
I have experience in recording farm animal behaviour but I'm new in aquaculture. I need some advice:
- What kind of equipment or what kind of cameras do you use to record fish behaviour (e.g. trout) in flow through and recirculating aquaculture system? Which equipment would you recommend?
- What are the most important features of the equipment I need to pay attention to?
- How do you overcome low visibility due to turbid water?
- How deep in the water do you place the cameras?
- How many cameras do you usually use in one pond – I assume it is enough to cover only one part of the pond – which one to get the representative sample of fish behaviour?
- Is there anything else I need to pay attention to?
I really appreciate any kind of advice, suggestion ...
Regards, Dušanka
What are the different proportions needed for different ingredients in an one hectare pond for effective results?
What are the Aquaculture Companies interested in recruiting our MBA in Fisheries Enterprises Management?
We are seeking the details of the MNC and Indian Aquaculture companies interested in recruting our TNJFU-FBS Chennai ,MBA in Fisheries Enterprises management students?
I am looking for a job or an internship in the field of fish farming or aquaculture. Who should I contact in my case
What are the specific roles of microbial communities in modulating immune responses in fish, and how can this knowledge be applied to enhance disease resistance in aquaculture species
Are students in the MBA program in Fisheries Enterprises Management eligible to work in the aquaculture industry abroad?
Could you explain the foreign countries interested in recruiting our MBA in Fisheries Enterprises
Management
In the aquaculture and fish nutrition research field, a number of growth and somatic indexes are often used, including specific growth rate (SGR), feed conversion rate (FCR), protein efficiency rate (PER), Fulton Condition Factor (K), hepato-somatic and viscero-somatic indexes, etc.
Even though several reviews and articles resume in details these indexes, finding a book for educational purposes is challenging.
Do anyone knows any, even not recent, book about?
I am currently designing a benthic sampling form with ratings and will like to know if I should add anything else. Attached is the form that was being used.
Contact WaterQuality@gov.nl.ca for further information. Please note that there is no fee for the publication process.
We are pleased to invite you to submit a manuscript to the Water Quality Research Journal for peer review and publication in a Special Issue entitled “Water Quality Indices, their Uses, Benefits and Limitations: A Three Decadal Analysis”.
We believe that this is an important and contemporary topic, and our aim is to publish an issue that covers a range of approaches and themes within this area.
With that in mind, based on your previous publications and area of expertise, we would like to invite you to submit a paper, making a distinct, novel contribution to the research literature. Submission information can be found at the following link: https://www2.cloud.editorialmanager.com/wqrj/default2.aspx
Proposed topic:
Uses of Water Quality Index and/or aggregators in natural resources sectors (e.g., forestry, agriculture, aquaculture), Uses in drinking water and wastewater management, Site Specific uses, Application in watershed management, Uses to assess the effectiveness of best management practices, Application for trend analysis at a national scale (such as the Indian Overall Index of Pollution or the Canadian Environmental Sustainability Indicator), Assessment of the impact of mining, of industrial activities, of contamination source and natural disasters such as flooding and wetland microbial communities.
Deadline: July 31st, 2024. Please let us know if this deadline is realistic for you. We would be happy to discuss a revised timeline if this is not possible.
Publication: The Journal is published monthly, and your paper would be published on the special issue online as soon possible once accepted.
All of the articles for the Special Issue will be gathered together in a Virtual Special Issue once the review process for all articles is finalised and will also be published as part of our In Focus – Special Books Series. Our dedicated marketing team will ensure extra visibility for your topic and associated publications.
Water Quality Research Journal Special Issue – [Water Quality Indices]
- Water quality indices and/or aggregators are used by researchers, scientists, engineers, and policy makers as a communication tool to summarize a large quantity of water quality data into simple terms to inform a non-technical audience (e.g., public) in a meaningful and consistent manner. This audience is typically not interested in specific water quality parameter values but is interested in the information that the water quality conveys regarding the suitability and safety of water for various beneficial water uses such as drinking, recreational, aquatic life, irrigation, and agriculture.
- Water quality indices are a powerful tool that converts data into information and information into knowledge. Those that employ water quality indices around the globe have also utilized these in the development of water resources management strategies that enable the remediation or conservation of beneficial water uses (e.g., Taiwanese Index of River Quality, US Scatterscore Index, Canadian Water Quality Index). The application of indices has strengthened water resources management and provided valuable knowledge to the public regarding the current state of their local and regional water quality and its trend. This special issue would focus on real world application by users of water quality indices and/or aggregators during the last three decades along with their benefits and limitations.
- Guest Editors:
- Haseen Khan, Department of Environment and Climate Change, NL, Canada
- Sandra Chidiac, Department of Agricultural and Food Engineering, School of Engineering, Holy Spirit University of Kaslik, Lebanon
Open Access: Our Journals are Open Access. We believe that this results in greater exposure for your work, access for the public, and higher potential for interdisciplinary collaborations. Our open access publication is fully compliant with funder requirements (including Horizon Europe and Tri-Agency).
Next steps
If you would like to submit a paper, please let me know and I would be happy to send you more information about your submission, the publication process and answer any questions you may have.
You will have the support of the IWA Publishing Journal Office team throughout the process.
We look forward to hearing from you.
Kind regards,
Freshwater shrimps of the genus Neocaridina which are kept in captivity (aquarium) have "dirty" gills (visible through the transparent carapace). The "parasite" was not motile. Mortality was recorded. Is it a parasite, bacterial infection or what is it?
What could be the key agent that guarantees optimal blending of essential oil in water? This agent should not harm living tissue or have only a minimal impact. I would be happy to receive information about this agent.
We have a fish hatchery, and usually the soluble phosphorus are most highly on influent that effluent. But since two months we are observe high consetracion intake water (over 3mg/L).
I aks if you knows a bioremediation method to decrease this levels ?
Regards
I am looking for a nutritional expert to assist (co-author) in the finalization of an expository paper on aquaculture feed development.
Dynamics of Pond Aquaculture
Hillary S Egna and Claude E Boyd
I got a liquid starter culture of Thalassiosira Weisflogii microalgae. While the starter culture grows indoors. But it does not grow on agar plates using the F2+si medium. I am seeking reasons for its inability to grow on the petri dishes and solutions to this issue.
I'm looking for recommendations on the best live microalgae to feed Litopeanaeus Vannamei shrimp larvae. Also, if anyone knows the specific Thalassiosira sp. / weisflogii microalgae strain ID that would be suitable, I'd appreciate the information. Thanks in advance for your help!"
As we know, seafood is one of the main concerns in Sarawak as their daily food. It is important to make sure the price is stable due to the demand and supply in Sarawak. As human beings, we need to ensure the seafood supply is always there. We must create great food supply logistics to secure food security in Sarawak and Malaysia. Apart from that, by creating a fish pond or aquaculture, we can make sure that it will be easier for us to sustain the food supply and make sure the demand of people can be fulfilled. Is it possible to merge the fishing terminal and aquaculture business?
Please , I m working about fish nutrition but I had these symptoms, can you help me to identify pathology? Is it bacterial causes ? I think it's because the fight between males.
Fish is tilapia
Thank you
Dear researchgate members,
I recently made two attempts to grow the aquarium plant Cryptocoryne wendtii emersed, i.e., outside of water. Unfortunately, both attempts failed, and I am unsure of what went wrong.
In the first attempt, I heated soil in the oven and shaped it into a cube. I then placed the aquarium plant into this cube. In the second attempt, I used rock wool instead. In both cases, I lightly moistened the soil and rock wool with aquarium water. Subsequently, I placed them in plastic bags and provided CO2 by exhaling into the bags through a straw. The bags were sealed with rubber bands and positioned under an LED strip light. The distance between the light and the plants was approximately 10 cm, ensuring that the light intensity was not harmful.
After one week, I exchanged the air inside the bags and provided more CO2 by breathing into them again. Unfortunately, after two weeks, I couldn't observe any positive results. Almost all the plants in both the soil and rock wool died. There was no growth observed, neither in the plants themselves nor in the roots.
I am very confused and frustrated, as I don't understand where the mistake lies. Do you have any ideas or advice on what I might have done wrong? Are there specific conditions that I should consider to achieve successful emersed cultivation of Cryptocoryne wendtii?
I would greatly appreciate your help and support! Thank you!
We know that fish is the major source of animal protein in human diet aquaculture is the fastest growing food sector. Aquaculture is growing faster and increasing capita by intake of animal protein in the form of fish. Due to this growing importance, aquaculture sector has witnessed many challenges to produce fish in a sustainable manner. Owing to these challenges bioinformatics helps for aquaculture production in modern era. what you guys say that can bioinformatics help aquaculture? and how?
I am looking for suggestions on cost-effective Multiparameter water quality meters that fulfill the following requirements: pH measurement, salinity measurement, dissolved oxygen (DO) measurement, ammonia measurement, temperature measurement, total dissolved solids (TDS) measurement, turbidity measurement, alkalinity measurement, and hardness measurement.
What Causes the green color change? Because Diatoms are produce brown color tint in the tank. Does It lead high mortality rate in shrimp post larvae in larval rearing tank
What causes the Shrimp larval rearing tank culture water turns into GREEN COLOR ? which has (live Thalassiosira weissflogii microalgae& industry standard Probiotic & other growth minerals). Also Vorticella infestation problem occurred it leads to high mortality rate in shrimp early post larval stage. Any suggestion to prevent/ reduce VORTICELLA in larval rearing tank
Available literature talks of sustainable aquaculture as one that addresses economic, social and environmental paradigms. So if one is interested in finding out if the aquaculture in the country is sustainable what would be the best research independent variable and research question?
MESA DE TRABAJO DE LA RNIIPA NACIONAL
La Comisión Nacional de Acuacultura y Pesca (Conapesca) recomendó no permitir ni fomentar la introducción y cultivo de peces asiáticos de agua dulce del género Pangasius, conocidos como “basa”, “panga” o “pez tra” bajo el argumento de ser considerados especies exóticas y de riesgo muy alto de invasividad en México. Sin embargo existe mucho interes de los productores acuicolas por cultivar esta especie, argumentando que no es una especie exotica invasora y que tiene muchas ventajas economicas para su cultivo ya que puede cultivarse en densidades muy bajas, tiene una tasa de conversion alimenticia muy buena y no requiere de tanto recambio de agua como las otras especies de cultivo. Ademas argumentan que en Mexico ya se importan organismos de esta especie con fines ornamentales.
I am researcher in genetics in aquaculture. I would be interested in learning artificial intelligence methods applied to genomic prediction for selection purpose in animal breeding.
I look for a course tackling this field in 2023.
All the best
François Allal
What are some potential business opportunities that can be created by implementing a smart water quality prediction system for biofloc aquaculture, and how can they be leveraged to create a competitive advantage in the aquaculture industry?
In Mann Whitney test, Can anybody clarify my following doubts?
1. Can we arrange the data in ascending order or descending order or in both way?
2. Does the result come same, if we are exchanging the n1 and n2 datasets?
3. How to calculate U value and how to compare to the critical U value?
4. In one of the book (Statistics for Aquaculture by Bhujel RC), the critical U value in the Table (attached here) is not given for all the n1 and n2 observations. Is the Table correct? Further, in that book it is written that if calculated U value is more than critical U value, we have to reject our null hypothesis. I am getting confused.
Any clarification on the above points will be appreciated. Thank you
1.list of scopus journals in fisheries and Aquaculture
2.list of WoS journals in fisheries and Aquaculture
From your point of view, how can we achieve the highest weight gain in the least possible time, using safe methods in the field of fish farming engineering?
Land use Classifications of different types of water bodies through hyperspectral data.
Can i distinguish Coastal waters, inland waters, ponds, and inland aquaculture?
Combining feed enzymes, and minerals with probiotic microbes will affect the efficiency of microbes??
How to make the Composition by mixing the 3 of them?. (Probiotic, Feed enzymes, Minerals)
Disease can be a major problem in aquaculture, the farming of aquatic organisms such as fish, shellfish, and seaweed. Disease outbreaks can result in significant losses in production and can also have negative impacts on the environment. Therefore, it is important to identify effective methods for controlling disease in aquaculture systems.There are several strategies that can be used to control disease in aquaculture systems:
We need to identify ways to make aquaculture, the farming of aquatic organisms such as fish, shellfish, and seaweed, more environmentally sustainable. One key aspect of sustainability in aquaculture is the use of feed ingredients that are produced in an environmentally responsible manner.
What are the most effective methods for controlling parasites in aquaculture operations, and what are the potential risks and benefits of each method?
Aquaculture, the farming of aquatic organisms such as fish, shellfish, and seaweed, can have a range of environmental impacts. These can include the release of nutrients and other pollutants into the water, the alteration of natural habitats, and the impact on wild fish populations
To minimize the environmental impacts of aquaculture, there are several strategies that can be adopted:
What is your opinion on the ongoing discussion regarding the taxonomy of the genus Penaeus?
As someone that is not a taxonomist, when I began working with shrimp I was not aware of it and simply used Litopenaeus because it was the name that I mostly read in recent publications. Today I came upon a recent article published in Aquaculture "Making sense of the taxonomy of the most commercially important shrimps Penaeus Fabricius, 1798 s. l. (Crustacea: Decapoda: Penaeidae), a way forward" that drew my attention to it. There is also an older article by Tim Flegel that deals with this (See below). I am considering using his recommendation of placing the sub-genus in parenthesis, e.g., Penaeus (Litopenaeus) vannamei, because I find his arguments reasonable and what the Yang et al. (2023) study found, but I am concerned because it seems that the use of the sub-genera as genera is very prevalent already.
I am having difficulties obtaining a copy of:
McHenery J.G. and Mackie C.M., 1999. Revised expert report on the potential environmental impacts of emamectin benzoate, formulated as Slice, for salmonoids. Cordah Report No. SCH001R5. Schering-Plough Animal Health.
Many other authors reference it (I have messaged a few), however, I cannot find it and reallywant to avoid citing a citation from another paper. Any help would be appreciated on where I might find a copy.
#ecotoxicology #aquatic #aquaculture
Some factories in Taiwan are dedicated to extract high-water-content food waste, resulting 2 different forms of waste; solid and liquid using high temperature and high pressure.
The liquid extract is estimated to still have the nutrients or organic matters that can be used in agriculture or aquaculture as feed of beneficial microorganisms such as probiotic bacteria or zooplankton without decreasing the water quality.
What do you think of this?
I am looking for some studies where they have used this technology in aquaculture and worked with live animals. I am trying to see if I can use this technology inside water.
Hi!
I'm in the initial phase of my PhD in aquaculture and this is the phase of isolating the bacterial strain that I'm going to work with. I'm trying to isolate a bacteria (Rubrivivax gelatinosus) from the water in Pfennig media, but my sample is contaminating with different fungi strains. Do you know which antifungal I can add to the culture medium to purify my bacterial strains?
In shrimp hatchery, usually water exchange takes place after animal reached postlarvae stage. So how to retain the probiotic microbiome again quickly in order to avoid pathogenic bacteria's bloom???
I'm interested in how different concentrations of vitamins might affect the fish. I have many different brands of food that I would like to test. Vitamins are usually shown as either IU/kg or IU/g but the values between diets that are supposed to be similar are very different. For example, my understanding is that if one of my diets says 1000 IU/kg that means that 1kg of feed will have 1000 IU of vitamin A. Another one of my diets says 30 IU/g so that means that in 1000g (1kg) I would find 3000 IU.
Am I correct? I ask because I would like to be able to convert these values to the same units to be able to compare them. Thank you.
I am reading about pilot projects of seed production of Ostrea edulis, found only some abstract from old paper mentioning north Spain, but I don't know if it is actually working in the mariculture companies on the Med.
Sustainable large‐scale production of European flat oyster ...
https://onlinelibrary.wiley.com › doi › full › raq
by B Colsoul · 2021
Despite the high quality of fish-based ingredients in aquafeeds, reported unsustainability caused by their use in aquaculture, have raised global concerns and effort for replacing them.
Among the potential candidates ( insect meal & oil vs plant meal & oil vs microalgae meal & oil : Spirulina , Chlorella, etc. ), which ones have no side effects or don’t generate new environmental impacts ?
Kindly, share info about Mobile Apps used in Aquaculture and their functions. Thank you very much in advance!
Do humans who eat food prepared in a restaurant face a higher risk of contracting an illness than those who eat packaged food?
We have procured metronidazole powder ( active ingredient) for an aquaculture experiment. The purpose is to study the effect of metronidazole on gut flagellates. But we have a problem with dissolving metronidazole in pure water.
Could someone suggest how it could be done?
Regards
Please suggest island based topic
Does anyone know a full list of genetically modified (GM) farmed fish species?
The use of synthetic hormones for fish sex reversal has led to environmental concerns.
Is the use of phytohormones a sustainable solution?
"The development and validation of a medium density SNP genotyping assay in Shrimp" is a research proposal I'm currently working on. Given the restricted budget allotted (9,600 USD) to the project, I'd like to know ahead of time how much it might probably cost me.
Hi. By reference of a book I am looking for the aquaCalc 1.0 software. It is to facilitate the calculations of an aquaculture facility. I already have the user manual (1998), is it possible to get the software in some way? Anyone know him?
new research trends and gaps in fisheries marketing and economics
There is a fresh water source with around 80 mg/L of Calcium to be used for Salmon farming (onshore) in an industrial large scale. As you know, at this level the water is moderately hard. Do you think this amount of Calcium (80 mg/l) is detrimental to fish (Alevin, Parr, or Smolt)? How about its effects on scaling or clogging the pipes and heat exchangers and so on?
If yes, which method would you suggest to eliminate/remove Calcium economically feasible: chemical precipitation, membrane separation, ion exchange, inhibiting scaling, or ....?
(As we know, there are many reports on the benefit of Calcium at low levels (10 mg/L) in fish hatchery, but could not find any reliable source for higher levels of hardness).
I am researching on the above topic and would like to know what I should look out for. Topic- Is inconsistency in government policies and poor regulations affecting the aquaculture development in Nigeria?.
I'm at the last year at college of aquaculture and I wanna know ideas for graduation project topics about aquaculture, fish feed processing, fish products and so on.
Dear acquaintances,
Anybody with an experience of farming of both Penaues monodon and Penaeus vannamei together. What will be the economics ?? Require expert opinions!!!
Thanks in advance.
Hi ,
I am doing a study on the valuation of quinoa and its co-products in fish feed, I would like to know how you eliminate saponin.
Thanks
Pls give some highlights on Integrated Aquaculture
Dear Researchers,
I need the latest statistical information of both marine and inland (fisheries production and aquaculture) by country. I would be very happy if you share this information. Thank you so much,
Sincerely.
I have what I believe to be several novel species of parasites, including some type of predatory marine isopod, that infected the Florida aquarium aquaculture supply chain. I have searched existing scientific literature and have found nothing that describes that species I have in my possession. They are incredibly hard to kill, and can live in soap, survive low concentrations of bleach, vinegar, and 3% hydrogen peroxide. Some of these parasites have translucent exoskeletons and burrow beneath the substrate to ambush prey using some type of proboscis to extend out of the substrate. Others lack an exoskeleton and instead are fluid, able to change shape to camouflage within plants or macroalgae, fit into empty shells, or attach to gastropods like hermit crabs and snails bodies and either kill them to eat immediately, allow them to live while attached to them, or lay their eggs within them to burst out at a later when conditions are suitable. They also seem to be able to use parts of their prey that they don't eat as parts of their own body. I have a 10 gallon tank filled with a wide variety of these parasites and a 2.5 gallon tank filled with what I think is a single isolated species of this parasite that burst out of a single hermit crab's abdomen. I also saved the cleaning supplies that these parasites managed to burrow into, some that were filled with soap. I do not have the expertise or equipment to properly identify these parasites or study them in any way besides direct observation. Would any researcher want to obtain these samples for study? I can give you more details on the parasite's specific behaviors and appearance if desired. Based on how fast these parasites reproduce and how quickly they can wipe out an entire aquarium, I believe that these species should be studied properly not only to identify and describe their species, but to also start to find ways to kill them without killing everything else in the tank. I have received similar types of parasites from 2 different Floridian aquaculture companies inadvertently and I fear that these parasites may have already infiltrated the aquarium supply chain. Therefore, it is important that these parasites be studied so that the economic damage they have the potential to bring to the aquarium aquaculture industry can be mitigated. Please feel free to call my at 763-245-9880 or email me at robic018@umn.edu if you wish to learn more or figure out the logistics of getting these samples to you.
The aquaculture industry's endeavour to avoid diseases casing microbes/carrier/macro predator to keep the farm-reared animals healthy to achieve good profit in the aquaculture business. Has the subsurface intake system has the ability to solve this problem?
I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker.
Does anyone know of a type of marker that can be used like this in Nile tilapia?
I could find treatment strategy or guidelines on humans but not on fishes. Could you suggest me some related to fishes?
Thank you
Dear all,
we are trying to improve the representation of land use information in the regional climate model WRF for 1. aquaculture and 2. rice paddies in the Mekong River region (Vietnam). The major question is which existing land use class (from MODIFIED_IGBP_MODIS_NOAH classification) corresponds best to those?
If none of the predefined classes is suitable, we could add new classes to the LANDUSE.TBL, but we would need the parameters from experiments or from literature, i.e. albedo (ALBD %), soil moisture (SLMO × 100%), surface emissivity (SFEM %), surface roughness length (SFZ0 × 10 −2 m), thermal inertia (THERIN × 4.184 × 10 2 J/m 2 Ks 1/2 ), and surface heat capacity (SFHC × 10 6 J/m 3 K) for aquaculture and rice paddies, respectively.
Thank you very much for all kind of helpful suggestions.
Cheers, Patrick
What are the most relevant SMART objectives to propose for monitoring aquaculture projects (finfish and shellfish hatcheries and also on growing in coastal ecosystems)?
I am growing biofilms for some aquaculture work, and I need to send the biofilm samples off for bacterial DNA analysis. What is the best way to preserve biofilms so they can be shipped to another lab? The biofilms are from seawater and adult sea urchins. Thanks in advance.
Hi All friends and researcher in the world , supporting me by your opinion , if you have studies , information
Will the rapid expansion of aquaculture and its demand for fish meal and fish oil threaten wild fish stocks?
We are conducting a respirometer trial with salmonids and want to access SDA variables in relation to temperature. We are wondering, if we can measure the Maximum metabolic rate (MMR) and the SDAcoefficient at the same time? We believe, measuring the MMR would add oxygen consumption, that is not directly related to SDA, but we would love to have the MMR as a measurement of potential growth. Is there a way, to measure both (e.g. by Q10 values, SDA values)?
Hi All , If you have or information for Aquaculture or Aquaculture farming Standards in your country Can help to putting as world Aquaculture Standers for all country .
Suggestions for India’s Blue Economy
This is regarding India’s Blue Economy Policy. We are happy to see lot detailed information on India’s Blue economy Policy. Definitely we can get good economy from our oceanic region by promoting mariculture activities and other related aspects. We like to add some suggestions under Marine Fisheries, Aquaculture and Increasing sustainable marine capture fisheries.
Artificial reef deployment and Fish Aggregating Devices : Based on our NIOT experience in the following projects, Artificial reef deployment including High rise artificial reef and Fish Aggregating Devices for Tuna fishing, we can strongly recommend Artificial reef is the best method of restoration of marine biodiversity and to create new fishing grounds and the same artificial structures can protect the coast from cyclone or Tsunami when deployed in deep waters near coast.
Fish Aggregating Devices will also be helpful to increase the marine resources in our ocean waters apart from Tuna fishing in deep sea areas.
Artificial Floating Islands or Multipurpose floating platforms: Mariculture is the best method for marine conservation and to utilize the ocean surface for our economy. But due to heavy waves and rough sea in our Indian coast, we can’t carry intensively. By creating Artificial floating Islands or Multipurpose floating platforms, we can perform more open sea cage aquaculture and other related Ocean activities like Ocean Energy, desalination plants and Deep sea ports etc
Island Development: When comparing with main land coastal region, Andaman and Nicobar coast is more suitable for mariculture activites, so we should concentrate more on Islands for this kind development.
Integrated Mariculture : Further our approach should be Integrated farming by including seaweed and other marine organisms like bivalves near the open sea cage aquaculture to get full benefits by utilizing organic waste or nutrients released from fish feed waste and excretion.
Sea ranching: The old method of sea ranching should be considered to restore the marine organisms and conservation
Monitoring Marine Bioinvasion for Ocean Health; Prevention of marine bioinvasion is important in near future to maintain ocean health and that should be monitored, because that also one kind biological pollution. Already NIOT is working on Ballast Water Treatment Technology Test Facility to minimize bioinvasion.
Tuna Research Centre: Under Deep Sea Mission we can promote Tuna Research Centre for Tuna fishing and deep sea fishing.
Alternative Jobs to fishermen community: Alternative job and other related training must be encouraged to avoid more people depend on marine natural resources for their livelihood to minimize the degradation or total loss of biological resources
Hi all,
I would need to quantify amino acids present in hepatic vein of a fish. Do I also need to record the blood pressure to get the exact AA levels in the fish blood?
Thanks.
Hi,
This type of leech was found recently in our farm but we couldn't recognize it.
Can anyone help us?
Sincerely,
Hello all,
With all the lockdown regulations, sales and trade may not be as it was before, goods and services are impacted; fish and fish products and services are not left out.
Would you kindly share your thoughts, opinions, experiences, and/or research on the various ways the Covid-19 pandemic has impacted Fisheries and Aquaculture, across its value chain?
Positively or adversely.
Thank you,
Precious Preye Ayawei
I produced Glycerol monolaurate in lab scale, with a melting point of about 37 C. Now I want to use this product as animal feed additives. However the melting point of 37 makes the product difficult to be sold as solid nor as liquid. Now I need to convert this product to be liquid at room temperature, what do you suggest? Kindly put into consideration that the final product is feed additive.
One suggestion is to mix with a another material with very low melting point.
I will do experiments in aquaponics for integrating tilapia and lettuce.
Can I use polyethylene tank and black color??or must be fiberglass and other color??
The problem I can not buy fiberglass.
Dear Community,
I am looking into the economic sustainability/feasibility of producing small-sized fish (tilapia and catfish) in pond farming aquaculture. I have made a list of parameters which may be needed (Growth rates, stocking density, survival rate, feeding rate, market price., etc.), though I am not sure whether I am on the right track.
I can't really find an existing model either. Any comment is welcome.
Best wishes,
Nuri Max Steinmann
hi dear scientists;
I had two ponds of fish, ( 1 for catfish , and other for tilapia ), the water was renewed at a same time for tilapia and catfish , after 2 days the catfish were dead, any sign of illness, the quality of the spring water is good.
this white layer appeared after the death of the catfish, then became a condence, it is a sign of presence of chlorine or mucus related to the defense of catfish ?
please who has an explanation?
The affected fish (O. niloticus) are three months old. The infected fish were taken for a public display after which this infection started. Water quality parameter for the tank where the fish were stocked are as follows:
D.O. - 6.3 mg/l at 86% sat
Temperature - 25°C
Ph - 8.25
The infection was observed to start from blinding one eye then spread to the other, then the fish stops feeding and dies. The fish died after two weeks from the time of the first observation of infection.
Hi, I am stuck in isolation in South Africa during this corona virus outbreak. Please could you share some reading material on tilapia culture, cage culture and best management practices in Aquaculture.
Thank you in advanced
Hello.here is Mr. Laid DARDABOU a PhD Algerian student. I'm gonna work for the same thematic as yours. Can we get a collaboration to expand the geographical area of the project? For my case I did chose the BSF and the moringa to be tested on broiler and aquaculture. Thanks in advance.
I want to know how to make probiotic in different concentration. I am planning to probiotic experiment with different concentration. I also want to know how to make the freeze dry probiotic powder with a definite concentration.
The State of World Fisheries & Aquaculture 2020 from FAO is now available online (Please find attached). In this horrid time of global pandemic, please comments on the ongoing problems and future prospects of world fisheries - particularly I am interested to know, where we stand and where to go from here and how - considering how covid'19 is impacting/would impact the sector. Thanks. Dr. Mostafa Hossain, SAFS, UW, Seattle
Are there particular impacts on aquaculture?
Also, how does the increase in zooplankton abundance correlate with fish population? Is it also somehow related to the effects of eutrophication?
Will highly appreciate your response on this matter. Thank you so much and have a great day!
Impressive sharings! Regarding on that matter,somehow people use kind of tamarind whichever in paste or liquid to get rid offlavor on flesh fish,wondering is it live fish can be done that way after post-harvest before being distribute into market?
Which species is suitable for growing aquatic live food? In fact, a species that has been considered in recent years?
I am thinking to investigate the roles of a specific gene during the embryonic development stages in a crab species. I was just wondering to ask about the possibility of gene knock-down or over-expression before hatching in aquatic animals.
Dose any have some experience regarding the drug/chemical/RNAi delivery into eggs in any aquatic animals?
This species was isolated from freshwater pond here in Perlis, Malaysia. Unfortunately, I'm not certain about the name for this species. The size of this microalgae in range 2.5-3.5 micron. Is this Oocystis sp.?
How to identify Nonpoint sources of water pollution in the Delta region?
Is there any hydrological model for identifying non-point sources of water pollution in agriculture and aquaculture based delta regions?
Eg: Western Godavari Delta.
Can I apply the SWAT model to Delta regions for identifying NonPoint sources of water pollution? (No streams but only canals and drains)
