Effects of Choline Chloride on Performance and Serum Biochemical Indexes of White Leghorn Breeding Hens in Late of Peak Production

YAN Huaxiang, XU Zhigang, YUAN Chao, ZOU Xiaoting

doi:10.3969/j.issn.1006-267x.2014.00.040

2014 , Vol. 26 >Issue 8: 2342 - 2348

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.00.040

Short Communications

Effects of Choline Chloride on Performance and Serum Biochemical Indexes of White Leghorn Breeding Hens in Late of Peak Production

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1. National Poultry Engineering Center, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China;
2. Shanghai Poultry Breeding Co., Ltd., Shanghai 201419, China;
3. Feed Science Institute, Zhejiang University, Hangzhou 310058, China

Received date: 2014-04-18

Online published: 2014-08-13

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Abstract

This study was aimed to evaluate the effects of choline chloride on performance and serum biochemical indexes of white Leghorn breeding hens in late of peak production. A total of 240 white Leghorn breeding hens, 48-week-old, were randomly divided into 4 groups with 5 replicates in each group and 12 breeding hens in each replicate. Hens in the four groups were fed corn-soybean basal diets supplemented with 450, 750, 1 050 and 1 650 mg/kg choline chloride, respectively. The experiment lasted for 13 weeks. The research showed as follows: 1) no significant difference of laying rate was found among all groups (P>0.05), and the livability of the 450 mg/kg choline chloride group was the lowest, which had a significant difference from other groups (P<0.01). 2) Except the yolk color (P<0.05), no significant differences of egg quality were found among all groups (P>0.05). Yolk color of the 750 mg/kg choline chloride group was the highest. Choline chloride added level could not improve the ability of storing eggs (P>0.05). 3) The 750 mg/kg choline chloride group had the highest fertile hatchability than other groups (P<0.05). 4) The 750 mg/kg choline chloride group had the highest serum albumin content than other groups (P<0.05). Serum urea nitrogen, urea acid and triglyceride contents of the 750 mg/kg choline chloride group were significantly lower than those of the 450 mg/kg choline chloride group (P<0.05). The research implies that the appropriate choline chloride added level (750 mg/kg) can improve the livability and fertile egg hatchability, reduce serum urea nitrogen, urea acid and triglyceride contents of breeding hens in late of peak production.

Key words： choline chloride; white Leghorn breeding hens; hatchability; livability; urea nitrogen; urea acid; triglyceride

Cite this article

YAN Huaxiang, XU Zhigang, YUAN Chao, ZOU Xiaoting . Effects of Choline Chloride on Performance and Serum Biochemical Indexes of White Leghorn Breeding Hens in Late of Peak Production[J]. Chinese Journal of Animal Nutrition, 2014 , 26(8) : 2342 -2348 . DOI: 10.3969/j.issn.1006-267x.2014.00.040

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