Nile Tilapia
Ontogeny in the visual system of Nile tilapia
... the Nile tilapia. However, in the tilapia, further gene duplications have resulted in numerous cone opsin genes that produce seven spectrally distinct cone pigments with differing peak sensitivities: ...
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Evaluation of Growth Performance and Nutrients Assimilation of Insect Feed in Nile Tilapia (Oreochromis niloticus)
... the present study was planned to evaluate the effect of insect-based fish feed on the growth of Nile Tilapia. Blowfly larvae were collected, dried and grounded to get a powdered meal. Three diets were ...
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Biomarkers in Nile Tilapia Oreochromis niloticus niloticus (Linnaeus, 1758) to Assess the Impacts of River Nile Pollution: Bioaccumulation, Biochemical and Tissues Biomarkers
... healthy Nile tilapia displayed a normal ap- pearance macroscopically and had a normal histological appearance as ...of Nile tilapia collected nearly from the whole course of the Egyptian river ...
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Investigation of Acute Toxicity of Alpha-Cypermethrin on Adult Nile Tilapia (Oreochromis niloticus L.)
... The test fish, Nile tilapia (Oreochromis niloticus L.) adults were obtained from the Fisheries Unit of Fisheries and Aquaculture Department of Ankara University. The specimens (av. wt. 25.03±5.35 g; av. ...
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Characteristics of acid and pepsin solubilized collagens from Nile tilapia (Oreochromis niloticus) scale
... Extraction of ASC and PSC from Nile tilapia scale gave yields of 0.77 and 0.71% based on hydroxyproline content, respectively. The recovery of total collagen (ASC and PSC) was 1.48%, which was much lower ...
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Egg surface decontamination with bronopol increases larval survival of Nile tilapia, Oreochromis niloticus
... which was achieved from the treatment of ≥ 50 mg/l bronopol. With the minimum concentration of 50 mg/l bronopol, the 20 and 30 min exposure time yielded better survivals than the 10-min immersion. However, the improved ...
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Growth Performance and Cost-Effectiveness of Farm-Made and Commercial Tilapia Starter Diets in Nile Tilapia (Oreochromis niloticus L.) Fingerling Production in Ghana
... a tilapia fry to the target fingerling weight of at least ...of Nile tilapia fingerlings and consequently increase the profit margin of tilapia hatchery operators in the ...
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Light spectrum preference of Nile Tilapia (Oreochromis niloticus) under different hunger levels
... of Nile tilapia in aquaculture, the light spectrum preference of Nile tilapia, in conditions of the different hunger levels, was studied in this ...of Nile tilapia for light ...
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Blood Biomarkers in Nile tilapia Oreochromis niloticus niloticus and African Catfish Clarias gariepinus to Evaluate Water Quality of the River Nile
... of Nile tilapia and African catfish namely cytoplasmic swelling, membrane disintegration (nuclear deformation), and nuclear shadow (smudge cell remaining after cell ...river Nile. Karyorrhectic cells ...
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The effects of growth hormone and sexual reversal on growth of the Nile Tilapia (Oreochromis niloticus)
... tissues are stimulated to convert fatty acids into acetyl coenzyme A (acetyl-CoA) and this material is next used as an energy source, in preference to carbohydrates and proteins. GH stimulates fat utilization and protein ...
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Effects of phytogenic compounds on growth and nutritional physiology of Nile tilapia (Oreochromis niloticus)
... of Nile tilapia have different values of ‘b’, which can partly affect the final value in mixed sex Nile tilapia groups (Froese et ...of Nile tilapia as initially ...
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Electron Microscopy (SEM-EDAX & TEM) Studies on Streptococcosis in Egyptian Nile Tilapia (Oreochromis niloticus)
... Abstract: A field study on Streptococcus infection as a major cause for epidemic infections in Nile Tilapia aquaculture in Kafr El-Shikh Governorate was conducted. This study was carried out to study the ...
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Life Cycle Assessment of Fish Culture in Thailand: Case Study of Nile Tilapia and Striped Catfish
... were nile tilapia (Oreochromis niloticus), walking catfish (Clarias batrachus), snakedskin gourami (Trichogaster pectoralis) and striped catfish (Pangasianodon ...
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Performance of Brooders, Fry and Growth of the Nile Tilapia (Oreochromis niloticus) Cultured in an Experimental Recirculating Aquaculture System
... Previous experiments have demonstrated that the number of eggs per female, number of eggs per spawn, and number of spawning per female are significantly higher in a 12L:12D photoperiod and that inter-spawning in- tervals ...
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Stress Modulated Physiological Responses in Nile Tilapia, Oreochromisniloticus, Treated with Non Ascorbic Acid Supplemented Feed
... Diets were formulated using MIXIT-WIN 2+ (Ag Software Consultants, San Diego, CA), based on the essential amino acid (EAA) requirements of Nile tilapia. All diets contained 36% crude protein (CP) and 8% ...
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Evaluation of diets with sunflower cake as a replacement for fish meal in feeds for Nile tilapia ( Oreochromis niloticus ) production
... The results of the current experiment demonstrated that Nile tilapia (O. niloticus) diets formulated with variable levels of SFC as a replacement for a more expensive fish meal and soybean meal protein had ...
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Effects of Soil Chemical Composition on the Hematology of Nile Tilapia, Oreochromis niloticus (Linnaeus, 1758) in Earthen Ponds
... blood parameters reflect the overall toxic impact of environmental contaminants. The desire of every fish farmer is to produce sizeable table fish with good market value within the shortest possible time. This can only ...
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Combined effects of exogenous enzymes and probiotic on Nile tilapia (Oreochromis niloticus) growth, intestinal morphology and microbiome
... Combined effects of exogenous enzymes and probiotic on Nile tilapia ( Oreochromis niloticus ) growth, intestinal morphology and microbiome.. Combined effects of exogenous enzymes and p[r] ...
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THE PRODUCTIVITY OF NILE TILAPIA (OREOCHROMIS NILOTICUS) AND WATER QUALITY CONDITION IN DIFFERENT FILTERS IN AQUAPONICS SYSTEM
... of tilapia fingerlings between treatments were not significantly ...a nile tilapia fingerlings cultivated in aquaponics system using water spinach was ...
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Electrophysiological assessment of spectral sensitivity in adult Nile tilapia Oreochromis niloticus: evidence for violet sensitivity
... of Nile tilapia vary in their visual ...juvenile Nile tilapia there is a greater proportion of VS and indeed ultraviolet- sensitive (UVS) cones in the retina, and correspondingly higher levels ...
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