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Response of growing rabbits fed diets containing different levels of starch and fiber to probiotics supplementation [electronic resource].

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Abdel-Azeem, F

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Language: English Summary language: Arabic Description: p.185-205Other title:

استجابة الأرانب النامية المغذاة على مستويات مختلفة من النشا والألياف لاضافة المعضدات الحيوية كمحفز نمو [Added title page title]

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Egyptian journal of nutrition and feeds, 2004 v. 7(2) [electronic resource].

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In: Egyptian Journal of Nutrition and Feeds 2004.v7(2)Summary: A study was conducted to evaluate the effect of three experimental diets either with or without addition of Yea-Sacc on growth performance, digestibility of nutrients, carcass traits, economical efficiency and some physiological parameters in New Zealand White (NZW) rabbits during 25 to 81 days of age. One hundred and eight rabbits aged 25 days were divided into nine (3x3) experimental dietary groups. Three main diets differ in starch and fiber content were formulated. each was supplemented with three different levels of Yea-Sacc (0.0%, 0.20% or 0.30%). Results obtained could be summarized as follows:- - Yea-Sacc supplementation increased significantly final body weight and daily weight gain of rabbits. -Rabbits received high starch level consumed significantly less feed than those fed the recommended levels of starch and fiber. - Daily feed consumption decreased as well as feed conversion improved by adding yea-sacc to the different diets. - Yea-Sacc addition lowered the harmful effects associated with diet contained high level of starch. - Total weight of non-carcass fat (%) and caecum pH were significantly decreased by yea-sacc supplementation. - Rabbits fed high starch diet plus 0.20% yea-sacc exhibited the better improvement in digestibility coefficients and nutritive values. - Yea-Sacc administration decreased significantly the serum levels of those components reflecting the symptoms of enteritis.-Rabbits fed the recommended levels of starch and fiber scored the highest economical efficiency, production index and production efficiency factor (PEF), so did yea-sacc supplemented groups.

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A study was conducted to evaluate the effect of three experimental diets either with or without addition of Yea-Sacc on growth performance, digestibility of nutrients, carcass traits, economical efficiency and some physiological parameters in New Zealand White (NZW) rabbits during 25 to 81 days of age. One hundred and eight rabbits aged 25 days were divided into nine (3x3) experimental dietary groups. Three main diets differ in starch and fiber content were formulated. each was supplemented with three different levels of Yea-Sacc (0.0%, 0.20% or 0.30%). Results obtained could be summarized as follows:- - Yea-Sacc supplementation increased significantly final body weight and daily weight gain of rabbits. -Rabbits received high starch level consumed significantly less feed than those fed the recommended levels of starch and fiber. - Daily feed consumption decreased as well as feed conversion improved by adding yea-sacc to the different diets. - Yea-Sacc addition lowered the harmful effects associated with diet contained high level of starch. - Total weight of non-carcass fat (%) and caecum pH were significantly decreased by yea-sacc supplementation. - Rabbits fed high starch diet plus 0.20% yea-sacc exhibited the better improvement in digestibility coefficients and nutritive values. - Yea-Sacc administration decreased significantly the serum levels of those components reflecting the symptoms of enteritis.-Rabbits fed the recommended levels of starch and fiber scored the highest economical efficiency, production index and production efficiency factor (PEF), so did yea-sacc supplemented groups.

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