IMPACTS OF FISH MEAL REPLACEMENT WITH FERMENTED ANIMAL BY-PRODUCTS IN AFRICAN CATFISH (CLARIAS GARIEPINUS) DIETS ON GROWTH, BODY COMPOSITION, AND FISH QUALITY

EMAN H. EL-SAYED; AZZA S. EL-DEMERDASH; AMINA M. ELAMINMOHAMED S. YUSUF

首页> 外文期刊>Assiut Veterinary Medical Journal >IMPACTS OF FISH MEAL REPLACEMENT WITH FERMENTED ANIMAL BY-PRODUCTS IN AFRICAN CATFISH (CLARIAS GARIEPINUS) DIETS ON GROWTH, BODY COMPOSITION, AND FISH QUALITY

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IMPACTS OF FISH MEAL REPLACEMENT WITH FERMENTED ANIMAL BY-PRODUCTS IN AFRICAN CATFISH (CLARIAS GARIEPINUS) DIETS ON GROWTH, BODY COMPOSITION, AND FISH QUALITY

机译：IMPACTS OF FISH MEAL REPLACEMENT WITH FERMENTED ANIMAL BY-PRODUCTS IN AFRICAN CATFISH (CLARIAS GARIEPINUS) DIETS ON GROWTH, BODY COMPOSITION, AND FISH QUALITY

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This study was conducted to evaluate the effect of partial substitution of fish-meal (FM) with two types of fermented animal by-products (fish and poultry offal's wastes) on growth performance, microbiological, and fish quality of African catfish (Clarias gariepinus). Fish offal's silage (FOS) and poultry offal's silage (POS) were fermented by Lactobacillus acidophilus. Five isonitrogenous (34.3% crude protein) diets were formulated to comprise two levels of fermented fish offal (20% and 40%), two levels of fermented poultry offal (20% and 40%) wastes, and 100% fish meal as a control. Ninety hatcheries bred African catfish were randomly distributed into 5 equal groups every 18 fish in three replicate (6 fish/ replicate aquaria). Each of the diets was fed to triplicate groups of African catfish with mean initial weight (MIW) 52g 0.01 at 5% body weight in glass aquaria (30 30 70 cm) twice daily (morning and evening) for 12 weeks. The results showed that fish in the fourth group fed on diet supplemented with 20 % POS recorded the best feed conversion ratio (FCR) (1.770.1), protein efficiency ratio (PER) (3.510.06), incidence of cost (IC) (16.30.37), and profit index (PI) (3.510.06). Fish in group four as well had the least total bacterial count, coliform, and mold & yeast. The least lactic acid bacteria count and the best overall acceptance were detected also in the fourth group as compared to other groups except diet 1(control) which means it can be used safely without significantly affecting public health or consumer acceptance.

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《Assiut Veterinary Medical Journal》 |2020年第164期|24-31|共8页
作者
EMAN H. EL-SAYED; AZZA S. EL-DEMERDASH; AMINA M. ELAMINMOHAMED S. YUSUF;
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作者单位

Animal Health Research Institute;

Faculty of Veterinary Medicine, Suez Canal University;

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正文语种英语
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Fish-meal replacement; Growth performance; Cost efficiency; Microbial count; organoleptic parameters;

IMPACTS OF FISH MEAL REPLACEMENT WITH FERMENTED ANIMAL BY-PRODUCTS IN AFRICAN CATFISH (CLARIAS GARIEPINUS) DIETS ON GROWTH, BODY COMPOSITION, AND FISH QUALITY

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