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Effect of organic and inorganic sources of calcium and phosphorus on laying hens performance [electronic resource].

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Ali, A. M

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Language: English Summary language: Arabic Description: p.4374-4385Other title:

تأثير مصادر عضوية وغير عضوية للكالسيوم والفسفور علي اداء الدجاج البياض [Added title page title]

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Mansoura University journal of agricultural sciences, 2003 v. 28 (6) [electronic resource].

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In: Mansoura University Journal of Agricultural Sciences 2003.v.28(6)Summary: Three hundred White Bovans laying hens aged 24 weeks were used. to evaluate the effects of dietary organic and inorganic sources of calcium ( Ca ) and phosphorus (P) on laying performance and egg quality. Hens were randomly divided into four experimental treatments ..Thus four isocaloric (ME; 2850 kcall kg) and is~nitrogenous (18 % CP) experimental diets were formulated, having equal Ca ( 4% ) and available P ( 0.45% ) contents.. Hens ~n (Tr1 ) received 2.6% bone meal (BM ) and 8.5% limestone (LS ); those in (Tr 2) received 2.6% BM and 8.5% eggshell meal (ESM ); those in (Tr 3) received 1.8% dicalcium phosphate ( DCP ) and 9.5% LS ; and those in (Tr 4) received 1.8% DCP and 9.5% ESM. The experiment was terminated at forty weeks of age.

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Three hundred White Bovans laying hens aged 24 weeks were used. to evaluate the effects of dietary organic and inorganic sources of calcium ( Ca ) and phosphorus (P) on laying performance and egg quality. Hens were randomly divided into four experimental treatments ..Thus four isocaloric (ME; 2850 kcall kg) and is~nitrogenous (18 % CP) experimental diets were formulated, having equal Ca ( 4% ) and available P ( 0.45% ) contents.. Hens ~n (Tr1 ) received 2.6% bone meal (BM ) and 8.5% limestone (LS ); those in (Tr 2) received 2.6% BM and 8.5% eggshell meal (ESM ); those in (Tr 3) received 1.8% dicalcium phosphate ( DCP ) and 9.5% LS ; and those in (Tr 4) received 1.8% DCP and 9.5% ESM. The experiment was terminated at forty weeks of age.

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