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Effect of light regime and feeding frequency on some productive, physiological traits and hormonal profiles in broiler chicks [electronic resouce].

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El-Fiky, A

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Language: English Summary language: Arabic Description: p.711-743Other title:

تأثير نظم الإضاءة وعدد مرات التغذية على بعض الصفات الإنتاجية والفسولوجية ومستوى الهرمونات لدجاج اللحم [Added title page title]

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Egyptian poultry science journal, 2008 v. 28 (III) [electronic resouce].

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In: Egyptian Poultry Science Journal 2008.v.28(III)Summary: The effect of light regime and feeding system on broiler performance, carcass traits, serum hormones and metabolic profiles was studied using eight hundred and ten one-day-old broiler chicks from Arbor Acres strain. Broilers were distributed randomly in 3 by 3 factorial arrangement. Three light regimes. (continuous light (23L: ID), constant light (15L: 9D) and intermittent light (4L: 8D)) were applied. Within each light regime there were three feeding systems i.e., ad libitum. one meal/d for 4h (7:11 a.m.) or two meals/d, each was available for 2h (7:9 a.m. and 12.14 p.m.).

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The effect of light regime and feeding system on broiler performance, carcass traits, serum hormones and metabolic profiles was studied using eight hundred and ten one-day-old broiler chicks from Arbor Acres strain. Broilers were distributed randomly in 3 by 3 factorial arrangement. Three light regimes. (continuous light (23L: ID), constant light (15L: 9D) and intermittent light (4L: 8D)) were applied. Within each light regime there were three feeding systems i.e., ad libitum. one meal/d for 4h (7:11 a.m.) or two meals/d, each was available for 2h (7:9 a.m. and 12.14 p.m.).

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