Abdelhamid,, A., Abdel- Khalek, A., Mehrim, A., Khalil, F. (2004). AN ATTEMPT TO ALLEVIATE AFLATOXICOSIS ON NILE TILAPIA FISH BY DIETARY SUPPLEMENTATIONS WITH CHICKEN-HATCHERY BY·PRODUCTS(EGG SHELLS)AND SHRIMP PROCESSING WASTES (SHRIMP SHELLS) ON: 1· FISH PERFORMANCE AND FEED AND NUTRIENTS UTILIZATION.. Journal of Animal and Poultry Production, 29(11), 6157-6173. doi: 10.21608/jappmu.2004.239437
A. M. Abdelhamid,; A. E. Abdel- Khalek; A. I. Mehrim; F. F. Khalil. "AN ATTEMPT TO ALLEVIATE AFLATOXICOSIS ON NILE TILAPIA FISH BY DIETARY SUPPLEMENTATIONS WITH CHICKEN-HATCHERY BY·PRODUCTS(EGG SHELLS)AND SHRIMP PROCESSING WASTES (SHRIMP SHELLS) ON: 1· FISH PERFORMANCE AND FEED AND NUTRIENTS UTILIZATION.". Journal of Animal and Poultry Production, 29, 11, 2004, 6157-6173. doi: 10.21608/jappmu.2004.239437
Abdelhamid,, A., Abdel- Khalek, A., Mehrim, A., Khalil, F. (2004). 'AN ATTEMPT TO ALLEVIATE AFLATOXICOSIS ON NILE TILAPIA FISH BY DIETARY SUPPLEMENTATIONS WITH CHICKEN-HATCHERY BY·PRODUCTS(EGG SHELLS)AND SHRIMP PROCESSING WASTES (SHRIMP SHELLS) ON: 1· FISH PERFORMANCE AND FEED AND NUTRIENTS UTILIZATION.', Journal of Animal and Poultry Production, 29(11), pp. 6157-6173. doi: 10.21608/jappmu.2004.239437
Abdelhamid,, A., Abdel- Khalek, A., Mehrim, A., Khalil, F. AN ATTEMPT TO ALLEVIATE AFLATOXICOSIS ON NILE TILAPIA FISH BY DIETARY SUPPLEMENTATIONS WITH CHICKEN-HATCHERY BY·PRODUCTS(EGG SHELLS)AND SHRIMP PROCESSING WASTES (SHRIMP SHELLS) ON: 1· FISH PERFORMANCE AND FEED AND NUTRIENTS UTILIZATION.. Journal of Animal and Poultry Production, 2004; 29(11): 6157-6173. doi: 10.21608/jappmu.2004.239437
AN ATTEMPT TO ALLEVIATE AFLATOXICOSIS ON NILE TILAPIA FISH BY DIETARY SUPPLEMENTATIONS WITH CHICKEN-HATCHERY BY·PRODUCTS(EGG SHELLS)AND SHRIMP PROCESSING WASTES (SHRIMP SHELLS) ON: 1· FISH PERFORMANCE AND FEED AND NUTRIENTS UTILIZATION.
Department of Animal Production, Faculty of Agriculture, Mansoura University, Egypt
Abstract
This experiment was conducted to study the drastic effects of graded levels of aflatoxin-B. on growth performance, survival rate, feed and nutrients utilization, and carcass composition of Nile tilapia, O. niloticus fingerlings. Also, it was conducted for experimenting the inhibiting effects of graded levels of natural, cheap and available two adsorbent agent, namely egg shells(ES) and shrimp wastes(SW) against the adverse effects of atlatoxln-B, contamination of fingerlings diet fed for 8 weeks. The effects of aflatoxin-B. (AFB1) were Significant decreases in body weight, average weight gain, average daily gain, relative growth rate, specific growth rate, survival rate and feed intake of the fish. Significant increases in corrected mortality rate and feed conversion ratio were recorded. Also, significant decreases in protein efficiency ratio, protein productive value and energy utilization were calculated. Reductions (P SO.01) in dray matter, crude protein and energy content and increases (P sO.01) in ether extract and ash of fish carcass were determined. The effects of either adsorbents at levels of 1 and 2%, respectively were useful in reducing the toxic effects of AFBl on fish via adsorbing the toxin from the fish diets, where it increased significantly the body weight, average weight gain, average daily gain, relative growth rate, specific growth rate, survival rate, feed intake, protein efficiency ratio, protein productive value and energy utilization. Yet, it decreased (P sO.01) corrected mortality rate. However, these adsorbents (at levels of 1% ES and 2% SW) alleviated the toxic effects of AFBl on feed conversion ratio and carcass composition of the fish.
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