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http://dx.doi.org/10.5536/KJPS.2008.35.1.063

Effects of Restricted Feeding during Growing Period on Laying Performance and Egg Quality in Layers  

Kang, H.K. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science)
Cho, J.H. (Buchon National Livestock Cooperatives Federation)
Kim, J.H. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science)
Kang, H.G. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science)
Yu, D.J. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science)
Na, J.C. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science)
Kim, D.W. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science)
Lee, S.J. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science)
Kim, I.S. (Department of Veterinary Anatomy, Chonbuk National University)
Kim, S.H. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science)
Publication Information
Korean Journal of Poultry Science / v.35, no.1, 2008 , pp. 63-69 More about this Journal
Abstract
The objective of this study was to investigate the effect of restricted feeding to laying performance and egg quality in brown layers. A total of 1,080 brown layer chicks were divided into three treatments; conventional feeding (ad libitum) and two restricted feedings (80% of conventional diet) for 70 weeks. One of restricted feeding started from six to eighteen weeks of age, and the other started from twelve to eighteen weeks of age. Diets were formulated by NRC (1994) recommendation. Overall laying performance and feed intake were the highest in $6{\sim}18 wk$ restricted group. But there was no significant difference among treatment group (P>0.05). Feed intake was higher in $6{\sim}18 wk$ restricted group during maximum production (P<0.05), but there was no difference between treatments after the peak. Egg quality tended to decreased by aging, but there was no significant difference among the treatments (P>0.05). The result of present study indicated that restricted feeding in rearing period of layers is beneficial to improve egg productivity and to reduce feed cost.
Keywords
layers; restricted feeding; laying performance; egg quality;
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