Salah Mahdi Najim

University of Basrah · College of Agriculture

Using different probiotic and prebiotic mixtures for application in common carp diets

The juveniles of common carp Cyprinus carpio with a weight of 44.82±11.82 g exposed to salinity of 7 and 15 g/l to study the effect of additive potassium chloride and growth hormone to the diet on salinity tolerance, as well as their effects on some hematological and biochemical measurements. Five experimental diets were set as controls: free added...

The current study was conducted to study the concentrations of some heavy metals (iron, zinc, and copper) in sediment, water temperature, pH, salinity, T.D.S, O,bod5, and histological effects on the brain of cage fish and wild fish Cyprinus Carpio in the Euphrates River from October of 2018 until November of 2019. Three sites were selected on the E...

The present study was carried out to investigate the effect of replacing some conventional feedstuffs (barley and yellow corn) with mallow, Malva parviflora, leaves meal on the growth and feeding efficiency of sailfin molly, Poecilia latipinna. Five experimental diets containing 0, 5, 10, 15, and 20% of mallow leaves meal M0, M5, M10, M15, and M20...

The study was conducted to show the effect of using the prepared synbiotic and comparing it with the local Iraqi probiotic and the commercially imported synbiotic as a feed additive in the diets of common carp for the period of 70 days. 75 fingerlings with a starting weight of 11.15±.00 g, live mass of 55.94±1.5 g and an average length of 9.1 ± 1.5...

Fish assemblage in the East Hammar marsh was described during November 2020 to October 2021. A total of 46,277 individuals comprises of 43 fish species belong to three origins were collected; 20 of marine fish, 12 native species and 11 of exotic species. Water and fish samples were collected from three stations which characterized as having differe...

The study was conducted to show the effect of using the prepared synbiotic and comparing it with the local Iraqi probiotic and the commercially imported synbiotic as a feed additive in the diets of common carp for the period of 70 days. 75 fingerlings with a starting weight of 11.15 ± 1.00 g, live mass of 55.94 ± 1.5 g and an average length of 9.1...

Effect of potassium chloride and growth hormone supplementation on survival, nutrition and growth in juvenile Common carp fish Cyprinus carpio exposed to salinity www.neuroquantology.com eISSN 1303-515 Abstract The current study was conducted on juveniles of the common carp, Cyprinus carpio, which is one of the most important fish for breeding in I...

This study was designed to investigate recycling poultry processing waste into protein concentrate as a step for supporting environmental health and resource sustainability, using it as a partial replacement of fish meal in diets prepared for common carp Cyprinus carpio L. fingerlings and explore its effect on fish growth, feeding efficiency and fe...

This study was carried out to determine some reproductive characteristics of the fantail goldfish Carassius auratus auratus females (standard length 69-224 mm. and total weight 21.1- 255.35 g.) from rearing ponds in Basrah province, Southern Iraq. Standard length, total weight, gonad weight, absolute fecundity, relative fecundity, gonadosomatic ind...

Some phenotypic characteristics of the Hepu mitten crabs, Eriocheir hepuensis, were studied, Eighty individuals of the crab males and females were collected from Shatt Al-Arab River. The width of the carapace ranged from 4.2-9.4 cm and 3.4-8.8 cm, and their wet weights ranged from 76.17-299.34 g and 92.27 199.27 g for males and females respectively...

The current study was conducted to examine the concentrations of some heavy metals (Fe, Zn, and Cu) in sediments, chemical and physical properties of water(Temperature, pH, Salinity, Total dissolved solid, Dissolved oxygen, Biological oxygen demand5, Alanin transporter enzyme, aspartase transporter enzyme, Alkaline phosphatase, and histological eff...

This study was carried out to assess some physical, chemical and sensory properties of fish waste oil extracted by two different methods: physical (boiling) and chemical (acid fermentation). Samples of common carp viscera were collected from local markets in the city of Basrah, which included viscera of the common carp Cyprinus carpio. The most pro...

The current study was conducted to study concentrations of some heavy metals (iron, zinc and copper) and some environmental conditions and physiological effects on cage fish and wild fish of common carp in Euphrates river for a year from October of 2018 until November of 2019 Three sites were selected: first site in Abu Luka, in Musayyib district,...

The digestive tract in Eriocheir sinensis consists of the alimentary canal which includes a foregut consisting of the mouth, esophagus, and stomach. The mouth is surrounded by several pairs of appendages which are specialized for chemoreception and prey capture while esophagus is short and straight moves food from mouth to the stomach, which look l...

This study was conducted in the laboratories of the College of Agriculture, University of Basrah for 75 days, in order to study the effect of using prebiotic (Safmannan) and bio-antibiotic (Fluconazole) on some growth and haemato-immunological parameters of the common carp Cyprinus carpio L. The fishes were divided into four categories of treatment...

The present study was conducted on the gills structure and the gill surface area of 40 individuals of the Blue swimming crabs, Portunus pelagicus, and 40 Chinese mitten crabs, Eriocheir sinensis, specimens of the species were collected from the different regions of Shatt Al- Arab and North-west Arabian gulf. Both species were having eight phyllobra...

This study was conducted in the laboratories of the College of Agriculture, University of Basrah for 60 days. This study aimed to study the effect of adding nano-selenium, vitamin E and their mixture to the diet on the productive and physiological traits of common carp fish (Cyprinus carpio L.). The fish were divided into four groups according to t...

The current study was carried out to improve an aquaponic system and its effect on water quality for common carp fish Cyprinus carpio culture. Two systems were studied; conventional which consisted of growbed and fish tank and the developed system which consisted of growbed and fish tank in addition to a suction pipe, fish waste separating barrel a...

Effects of replacing wheat flour in fish feed with vegetable wastes on some biochemical parameters and normal flora of juvenile common carp Cyprinus carpio were studied in laboratory. Three replacing ratio (5, 7.5 and 10%) were investigated. The total protein and albumin concentration in blood serum increased significantly (p<0.05) in all feeding t...

The current study investigated the comparison of the biochemical composition of the common carp Cyprinus carpio L. which collected from four different sources in Basrah city; Shatt Al-Arab river at Abul- Khasib by using gill nets, earthen ponds at the University of Basrah campus, fish cages at Al-Hartha district and cooled fish imported from the Is...

This study was carried out to evaluate the effects of locally produced fish biosilage as fish meal alternative on feeding, growth efficiency and gut histology in common carp C. Carpio fingerlings. Biosilage was prepared by fermenting marine bycatch fish with date fruit residues, domestic vinegar and citric acid. The produced biosilage was incorpora...

This study was carried out to evaluate the effects of locally produced fish biosilage as fish meal alternative on feeding, growth efficiency and gut histology in common carp C. Carpio fingerlings. Biosilage was prepared by fermenting marine bycatch fish with date fruit residues, domestic vinegar and citric acid. The produced biosilage was incorpora...

This study was carried out to evaluate the effects of locally produced fish biosilage as fish meal alternative on feeding, growth efficiency and gut histology in common carp C. Carpio fingerlings. Biosilage was prepared by fermenting marine by-catch fish with date fruit residues, domestic vinegar and citric acid. The produced biosilage was incorpor...

The liver of platy Xiphophorus maculatus is single lobule organs, which have no regular cords of hepatocytes and exhibited basophilic feature in fresh specimen. Platy was treated with 5&10 ppt salinity in addition to control treatment for over 70 days. Fishes were kept as dynamic specimens up to the expiry of experiment. Captive fishes showed littl...

This study was carried out to exploit the feasibility of production of crude peptones from fish wastes. Autolysis under acidic and alkaline conditions was used to hydrolyze fish wastes. The proximate analysis of the two produced crude peptones and the commercial peptone showed that crude peptones contained fair levels of nitrogen (up to 10.8%) alth...

This study is carried out to evaluate the utilization of marine fish by-catch silage fermented with date fruit residues as carbohydrate substrate in feeds for fry and fingerlings of the common carp Cyprinus carpio L. The study aim also to assess some physiological and histological effects of this fish biosilage inclusion into fish feeds. Marine fis...

This study was carried out to investigate the effects of replacing fish meal with locally produced fish biosilage on some haematological and biochemical parameters in common carp C. Carpio fingerlings. Biosilage was prepared by fermenting marine by-catch fish with date fruit residues, domestic vinegar and citric acid. The produced biosilage was inc...

This study was carried out to evaluate the partial replacement of fish meal by fish silage in feeds formulated for common carp C. carpio fry. Proximate composition of fish meal, fish silage and different experimental feeds were analyzed and several parameters of fish feeding and growth were studied. Biosilage was prepared by fermenting marine by-ca...

This study was carried out to investigate the possible relationships of some morphometrics of gill rakers and intestine with size-related dietary variations in three sympatric freshwater fishes. A total of 245 specimens of yellowfin porgy, Acanthopagrus latus, redbelly tilapia, Tilapia zilli and greenback mullet, Liza subviridis (73, 90 and 82 spec...

This laboratory study was conducted to evaluate the utilization of fish waste meal in partial replacement for fish meal in diets formulated for hybrid red tilapia Oreochromis mossambicus X O. niloticus fingerlings. Fish wastes of various marine species were minced, boiled, dried and grounded to produce fish waste meal (FWM). The proximate analysis...

This study was carried out to determine some reproductive characteristics of the fantail goldfish Carassius auratus auratus females (standard length 69-224 mm. and total weight 21.1-255.35 g.) from rearing ponds in Basrah province, Southern Iraq. Standard length, total weight, gonad weight, absolute fecundity, relative fecundity, gonadosomatic inde...

The effects of sub-lethal concentrations of Dimethoate (at 5, 10 and 15 mgL-1) and Malathion (0.5, 1 and 1.5 mgL-1) on some feeding and growth parameters of hybrid tilapia fingerlings (3.5-5.5 g weight) and culture water quality were studied in fiberglass tanks (0.5 m3) for 16 weeks. Results showed that Malathion was more toxic than Dimethoate. The...

Photosynthetic pigments represent a potential tool for assessing the productivity of natural waters and the seasonal variations. The present study aimed to demonstrate the seasonal variation in some of the most important photosynthetic pigments in Mediterranean waters Off Tripoli, Libya. Seawater samples were collected from the surface of the coast...

Photosynthetic pigments represent a potential tool for assessing the productivity of natural waters and the seasonal variations. The present study aimed to demonstrate the seasonal variation in some of the most important photosynthetic pigments in Mediterranean waters Off Tripoli, Libya. Seawater samples were collected from the surface of the coast...

This work was carried out to study the salinity tolerance, the variation in branchial Na+K+ATPase activity and the variation in number and size of chloride cells resulting from the transfer of hybrid tilapia (Oreochromis mossambicus X O. niloticus) (25 g) to different salinities. Complete mortality of fish occurred when it was transferred abruptly...

Nutritional study was conducted to evaluate the utilization by goldfish (Carassius auratus ) for a commercial fish food. Results indicate that this species consumed food at 3.6 % of body weight which considered within the range of most warm water fishes. Satiation time lasted for 93 minutes, indicating continuous feeding habits for goldfish. Gastri...

The common carp Cyprinus carpio L. fish were collected from Shatt Al-Arab river near the Sindbad island at Basrah six times over a full day at 4-hour intervals in winter and summer 1991-1992 to determine the diurnal variations of feeding. The results showed that the common carp was a diurnal feeder feeds from dawn to dusk with the peak of feeding a...

A series of experiments were carried out in the current study on the toxicity of two widely used pesticides, Nogos and Diazinon, on mosquito fish Gambusia affinis to determine 96 h- LC50 and 96 h-LC100. LC100 was determined also for different exposure times for both pesticides. The effect of water hardness and salinity on pesticide toxicity was tes...

Due to the increasing demands on fish protein which recently showed a decrease in its amount because of the sever reduction in operations of marine commercial fishing as well as the diminishing of productivity in the inland waters, shortage of artificial feed available for farm fishes and changes occurring in some features of Iraqi waters especiall...

The present study deals with the toxicity of two common herbicides, Atrazin and Brominal to Aphanius dispar. Various experiments were conducted to determine the 96h-LC50 and 96h-LC100 along with LC100 for different exposure periods. The influence of water hardness and salinity on the toxicity of the studied herbicides were investigated. The results...

The study of seasonal selection of molluscs and macrocrustaceans and their importance in the diet of three sympatric fish species (Barbus xanthopterus, Aspius vorax and Cyprinus carpio) (Cyprinidae) was carried out in Garma marshes. Fish samples were collected by sine net from December 1988 to August 1989. Two size groups were selected except for t...

This study concerns the food habit and inter-specific feeding relationship between the introduced common carp and three native fish species of commercial importance, it also considers the diet overlap among local species. The four investigated fish species showed a closely related seasonal pattern of feeding intensity and feeding activity, they als...