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- Title
Correlation Between Cholesterol Content in Egg Yolks and Laying Rate.
- Authors
Jiao LI; Yuanqing ZHONG; Yihao ZHANG; Jintang LUO; Dongxu WANG; Yiqi ZHANG; Suohua ZHAO
- Abstract
[Objectives] This study was conducted to investigate the relationship between cholesterol content in egg yolks and laying rate of laying liens. [Methods] Forty eight 450-day-old Hyline brown hens with uniform weight were randomly divided into 4 groups with 3 replicates in each group and 4 individuals in each replicate, Group 1 as the control check group (CK) was fed the basal diet; group 2 was fed llie basal diet with the addition of 150 g/t of probioties; group 3 was the basal diet + 2(X) g/l lipase group; and group 4 was fed the basal diet with the addition of 150 g/t of probioties and 2(H) g/l of lipase. The preliminary trial period was 10 d, and the experimental period was 30 d. [Results] The cholesterol content in the egg yolks of each test group was higher than that of the control group at 14 and 28 d after the drug administration. The laying rate of each test group begin to increase at 14 d after the drug administration; and the laying rate of each test group increased siyiificanlly 28 d after the drug administration. It indicated llial with the increase of cholesterol in egg yolks, the laying rate of laying hens increased significantly.[Conclusions] This study provides a certain experimental basis for culture production of laying hens.
- Subjects
EGG yolk; CHOLESTEROL; HENS; DRUG administration; CONTROL groups
- Publication
Agricultural Biotechnology (2164-4993), 2019, Vol 8, Issue 4, p60
- ISSN
2164-4993
- Publication type
Article