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Performance and nutrient utilization of laying hens fed different apparent metabolizable energy and microbial phytase levels [electronic resource].

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Ghazalah, A. A

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Language: English Summary language: Arabic Description: p.279-287Other title:

الأداء الانتاجى والاستفادة من المركبات الغذائية للدجاج البياض المغذى على المستويات المختلفة من الطاقة الممثلة الظاهرية وانزيم الفيتيز الميكروبى [Added title page title]

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Egyptian journal of nutrition and feeds, 2011 v. 14(2) [electronic resource].

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In: Egyptian Journal of Nutrition and Feeds 2011.v14(2)Summary: A3 x 3 factorial Treatment design with three dietary energy levels (2600, 2700 and 2800 kcal ME/kg) and three additional microbial phytase levels (0, 400 and 800 FTU/kg) was conducted to determine the effect of dietary energy. microbial phytase and their interactions on productive performance. egg shell quality and nutrients digestibility of Bovans White laying hens strain. This experiment lasted 20 weeks under similar management conditions. Bovans White hens (n =540) in Phase I (21 weeks of age) were randomly assigned into 9 treatments (4 replicates of 15 birds per treatment). With increasing dietary energy. hens adjusted feed intake to achieve a constant energy intake. Dietary energy had a significant effect on egg weight feed conversion ratio and nutrients digestibility.

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A3 x 3 factorial Treatment design with three dietary energy levels (2600, 2700 and 2800 kcal ME/kg) and three additional microbial phytase levels (0, 400 and 800 FTU/kg) was conducted to determine the effect of dietary energy. microbial phytase and their interactions on productive performance. egg shell quality and nutrients digestibility of Bovans White laying hens strain. This experiment lasted 20 weeks under similar management conditions. Bovans White hens (n =540) in Phase I (21 weeks of age) were randomly assigned into 9 treatments (4 replicates of 15 birds per treatment). With increasing dietary energy. hens adjusted feed intake to achieve a constant energy intake. Dietary energy had a significant effect on egg weight feed conversion ratio and nutrients digestibility.

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