Phytosterol: Effects on Production Performance, Blood Routine Parameters and Serum Biochemical Parameters of Laying Hens

ZHOU Chunjiang; SHI Shourong; TONG Haibing; ZOU Jianmin; WANG Zhiyue

doi:10.3969/j.issn.1006-267x.2013.05.027

2013 , Vol. 25 >Issue 5: 1099 - 1104

DOI: https://doi.org/10.3969/j.issn.1006-267x.2013.05.027

Short Communications

Phytosterol: Effects on Production Performance, Blood Routine Parameters and Serum Biochemical Parameters of Laying Hens

ZHOU Chunjiang ,
SHI Shourong ,
TONG Haibing ,
ZOU Jianmin ,
WANG Zhiyue

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1. College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China;
2. Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou 225125, China

Received date: 2013-01-04

Online published: 2013-04-12

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Abstract

This experiment was conducted to evaluate the safety of high doses of phytosterol supplementation in laying hens by determining production performance, blood routine parameters and serum biochemical parameters. Three hundred and sixty 21-week-old Hy-Line Brown laying hens with the similar body weight and laying rate were randomly assigned to 5 groups with 6 replicates per group and 12 birds each. Birds were fed basal diets supplemented with 0 (control), 20, 80 (the maximum recommended available dose, MRAD), 400 (five fold of MRAD) and 800 mg/kg (ten fold of MRAD) phytosterol for 12 weeks, respectively. All birds were acclimated to the basal diet for 3 weeks. The results showed as follows: phytosterol had no significant effects on laying rate, feed intake, egg mass, the ratio of feed to egg and blood routine parameters (P>0.05). Only serum glucose content was significantly affected by phytosterol supplementation (P<0.05), and there was a significant linear correlation between them (P=0.010), while there were no significant differences in other serum biochemical parameters among five groups (P>0.05). It is indicated that no adverse effects are observed in laying hens by the high doses of phytosterol supplementation.

Key words： safety evaluation; phytosterol; laying hens; production performance; blood routine parameters

Cite this article

ZHOU Chunjiang , SHI Shourong , TONG Haibing , ZOU Jianmin , WANG Zhiyue . Phytosterol: Effects on Production Performance, Blood Routine Parameters and Serum Biochemical Parameters of Laying Hens[J]. Chinese Journal of Animal Nutrition, 2013 , 25(5) : 1099 -1104 . DOI: 10.3969/j.issn.1006-267x.2013.05.027

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