冬季常温鸡舍条件下DL-蛋氨酸及羟基类似物对蛋鸡产蛋性能的影响  

Influence of Methionine and DL-2-hydroxy-4-methylthio Butanoic Acid on Laying Performance of Layers in Ordinary Temperature Henhouse in Winter

作　　者：周长海[1] 贾友刚[1,2] 齐淑艳[2] 徐文斌[1] 李勇昊[1] 

机构地区：[1]吉林大学生物与农业工程学院,吉林长春130022 [2]沈阳大学生物与环境工程学院,辽宁沈阳110044

出　　处：《中国家禽》2010年第20期19-21,25,共4页China Poultry

基　　金：住友化学国际合作项目(SMTMKGK09004)

摘　　要：在东北冬季蛋鸡舍常温15℃的条件下,通过向饲料中添加DL-蛋氨酸(DLM)和蛋氨酸羟基类似物(LMA),考察添加不同蛋氨酸对34周龄海兰褐蛋鸡生产性能及蛋品质的影响。结果表明:饲料中添加蛋氨酸可促进鸡体重缓慢增长,产蛋率、平均蛋重和日蛋重显著提高,采食量和料蛋比显著降低。对蛋鸡的输卵管长度指数及重量指数没有显著影响。饲料中添加0.15%的DLM和0.225%的LMA对蛋鸡的生产性能和蛋壳厚度的影响效果最好。The effect of different kinds of methionine on performance and egg quality of 34-week-age Hy-line Brown layers under the condition of temperature 15℃ in chicken house during winter of northeast China were studied in this paper. DL-methionine and DL-2-hydroxy-4-methyhhio butanoic acid were added in feed. The results showed that adding methionine in feed contributed to a moderate increase in body weight gain, a significant increases in laying rate, average egg weight and daily average egg weight,and an obvious improvement in feed/egg ratio. It had no apparent effect on oviduct length parameter and weight parameter of layers. Adding 0.15% DL-methionine and 0.225% DL-2-hydroxy-4-methyhhio butanoic acid in feed had the best effect on the laying performance and egg shell thickness of layers.

关 键 词：蛋氨酸 蛋鸡 生产性能 蛋品质 

分 类 号：S965.122[农业科学—水产养殖]