Can vitamin C elevate laying hen performance, egg and plasma characteristics under normal condition?

The aim of this study was to investigate the effects of vitamin C on laying hen performance, egg quality and some blood parameters under thermal neutrality condition. A total of 192 laying hens (20-week-old) were used by completely randomize design. The treatments, from 20 to 35 weeks of age, includ...

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Published in:Italian journal of animal science 2010-09, Vol.9 (3), p.e60-e60
Main Authors: Hamid R. H. Matin, Khalil Zaboli, Poua Zamani, Masud M. H. Rahmati, Ali A. Saki
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Khalil Zaboli
Poua Zamani
Masud M. H. Rahmati
Ali A. Saki
description The aim of this study was to investigate the effects of vitamin C on laying hen performance, egg quality and some blood parameters under thermal neutrality condition. A total of 192 laying hens (20-week-old) were used by completely randomize design. The treatments, from 20 to 35 weeks of age, included four levels of vitamin C: 0 (control), 250, 500 and 750 mg/kg diet. Bird's performance, egg characteristics, plasma glucose, calcium and uric acid were assayed at 28 and 35 weeks of age. Laying hen performance was similar among treatments (P>0.05). Greater albumen index and Haugh unit were obtained by fed 750 mg vitamin C/kg diet compared to other treatments at 28 weeks of age (P
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Increased yolk height was attained by diet supplemented with 500 mg vitamin C/kg diet at this age (P&lt;0.05). Shape index was improved (P&lt;0.05) by 250 and 500 mg vitamin C/kg diet at 35 weeks of age. Higher yolk index was achieved by 500 mg vitamin C/kg diet at 28 and 35 weeks of age (P&lt;0.05). Plasma uric acid was decreased by 250 mg vitamin C/kg diet compared with control diet (P&lt;0.05). 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title Can vitamin C elevate laying hen performance, egg and plasma characteristics under normal condition?
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