| Effect of Probiotic Thepax® and <I>Saccharomyces cerevisiae</I> Supplementation on Performance and Egg Quality of Laying Hens | |
Abstract/OtherAbstract
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An experiment was conducted to evaluate the effects of different levels of probiotic Thepax® (0.05, 0.1 and 0.15 %) and yeast (<I>Saccharomyces cerevisiae</I>) (0.05, 0.1 and 0.15 %) on performance and egg quality of laying hens. Two hundred and ten 63 wk of age Hy-line W-36 hens were used. The birds were assigned seven treatment groups in a randomized complete block design, with three replicates each with ten hens. The hens performance and egg parameters were evaluated on the three 28-d periods. The results of body weight changes, feed intake, feed conversion ratio, egg production, egg weight, shell percent and albumin weight did not indicate any treatment effect (P>0.05). Shell weight, shell thickness, yolk weight and yolk cholesterol were significantly (P=0.05) different among treatment groups. Yolk cholesterol was lower for 3, 5, 6 and 7<SUP>th</SUP> treatments compared to the control. The use of probiotic and <I>Saccharomyces cerevisiae</I> were not affected by production. But, egg quality did improved from 63 to 75 weeks of age. |
Authors
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M. Yousefi, K. Karkoodi |
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Contributors
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Publication Detail
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Publisher : Asian Network for Scientific Information, Pakistan Type : - Format : - |
Date Detail
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2007 |
Subject
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Probiotic, yeast, production, egg quality, layer |
Coverage
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Relation
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Source
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International Journal of Poultry Science |
Copyright Information
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- |
Other Details
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Languages : eng |
Export Citation
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