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Effect of using natural feed additives on feed utilization and growth performance of growing friesian male calves [electronic resource].

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Mohi-Eldin, A.M.A

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Language: English Summary language: Arabic Description: p.159-170Other title:

تأثير استخدام الاضافات الطبيعية على الاستفادة من الغذاء والاداء الانتاجى لعجول الفريزيان النامية [Added title page title]

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Egyptian journal of nutrition and feeds, 2008 v. 11(1) [electronic resource].

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In: Egyptian Journal of Nutrition and Feeds 2008.v11(1)Summary: Twenty four growing Friesian male calves weighing 155 Kg ± 2.5Kg were used in a 288 days feeding nial. Animals were divided randomly into four equal groups (6 calves each) G1, G2, G3. and G4 to study the effect of different yeast cultures supplementation on animal performance, nutrient digestibility, some blood parameters and feed efficiency. Experimental calves were individuaJly fed on rations consisted of concentrate feed mixture, berseem hay and rice straw with or without feed additives. The first group (Gl) was fed on the control ration without additives, while, the others groups G2 ,G3 and G4 received the control ration plus 10 g/h/d of Bakery yeast (BY),

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Twenty four growing Friesian male calves weighing 155 Kg ± 2.5Kg were used in a 288 days feeding nial. Animals were divided randomly into four equal groups (6 calves each) G1, G2, G3. and G4 to study the effect of different yeast cultures supplementation on animal performance, nutrient digestibility, some blood parameters and feed efficiency. Experimental calves were individuaJly fed on rations consisted of concentrate feed mixture, berseem hay and rice straw with or without feed additives. The first group (Gl) was fed on the control ration without additives, while, the others groups G2 ,G3 and G4 received the control ration plus 10 g/h/d of Bakery yeast (BY),

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