Laying hen performance,egg quality improved and yolk 5-methyltetrahydrofolate content increased by dietary supplementation of folic acid

被引：0
|
作者：
Sattar Bagheri [1 ]
Hossein Janmohammadi [1 ]
Ramin Maleki [2 ]
Alireza Ostadrahimi [3 ]
Ruhollah Kianfar [1 ]
机构：
[1] Department of Animal Science, Faculty of Agriculture, University of Tabriz
[2] Nutrition Research Center, Tabriz University of Medical Sciences
来源：
Animal Nutrition | 2019年 / 02期
关键词：
Folic acid; 5-Methyltetrahydrofolate; Laying hens; Yolk; Egg;
D O I：
暂无
中图分类号：
S831.5 [饲料与营养];
学科分类号：
090502 ;
摘要：
This study was performed to evaluate the effect of folic acid(FA) on performance, egg quality and yolk5-methyltetrahydrofolate(5-MTHF) content. A total of 384 Hy-line W36 strain hens from 52 to 58 weeks of age were randomly assigned to 4 groups, and each group received one of following dietary treatments:0, 5.10 and 15 mg FA/kg diet. A completely randomized design was used. Egg production percentage, egg mass and egg weight were increased significantly(P < 0.05) and feed conversion ratio(FCR) was reduced significantly(P < 0.05) by increasing FA content in diets. No significant differences were detected among treatments on egg quality except for shell thickness. The dietary supplementations of laying hens diets with FA significantly increased yolk 5-MTHF content(P = 0.02). Overall, these data demonstrate that dietary supplementation with FA raised 5-MTHF content of yolk and productivity of egg production in laying hens.
引用
收藏
页码：130 / 133
页数：4
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