酿酒酵母培养物对产蛋后期蛋鸡产蛋性能的影响研究  

Effect of Saccharomyces cerevisiae Culture on the Laying Performance of Layers in Late Laying Stage

作　　者：胡芳 项性龙 刘建忠 刘金银 石俭省 HU Fang;XIANG Xing-long;LIU Jian-zhong(Road Environment Polytron Technologies Inc.,Wuhan,Hubei 430070)

机构地区：[1]路德环境科技股份有限公司,湖北武汉430070 [2]河北工程大学,河北邯郸056038

出　　处：《安徽农业科学》2019年第12期111-114,126,共5页Journal of Anhui Agricultural Sciences

基　　金：四川省重点技术创新项目(2016CG071)

摘　　要：[目的]研究在蛋鸡日粮中添加酿酒酵母培养物对产蛋后期蛋鸡产蛋性能及蛋品质的影响。[方法]选用品种、日龄相同,健康状况相近,生产性能相近且处于产蛋后期的京粉蛋鸡35833羽,分成2组:A组为对照组,饲喂基础日粮;B组为试验组,在基础日粮中添加酵母培养物,添加量由0.5%逐步添加至1.5%,预试期9d,正试期30d。[结果]在正试期结束时,B组蛋鸡采食量及产蛋率显著高于A组,试验组的产蛋率较试验前期降低了0.92%,对照组产蛋率较试验前期降低了2.58%,同时B组平均蛋重较A组高1.04g/枚;2组在蛋型、蛋黄蛋清分层方面均无显著差异,B组蛋黄颜色深于A组,且蛋壳颜色更加鲜红自然;从表观消化来看,B组粪便更加细腻且过料现象有所缓解,同时鸡舍氨味也有所改善。[结论]蛋鸡日粮中合理添加酿酒酵母培养物,可以提高蛋鸡的采食量及饲料消化率,维持产蛋后期的产蛋率,明显提高蛋重及蛋品质,改善鸡舍环境。[Objective]To study the effects of adding Saccharomyces cerevisiae culture in laying hens’ diets on the laying performance and egg quality of layers at the late laying stage.[Method]35 833 Beijing-pink layers at late laying stage with the same breed and age, similar health status,similar production performance were divided into two groups. Group A was the control group,and the layers in group A were fed with the basic diet.Group B was test group,and the layers in group B were fed with the basic diet with adding S.cerevisiae culture.The addition amount of S.cerevisiae culture gradually from 0.5% to1.5%.The pre-test period was 9 d,and the test period was 30 d.[Result]At the end of the test period,the laying rate and feed intake of layers in group B were significantly higher than those of group A in the late laying period,the laying rate in group B reduced only 0.92% than that in early test period,and the laying rate in group A reduced2.58% than that in early test period.Meanwhile,the average egg weight in group B was1.04 g/piece higher than that in group A.There was no significant difference of egg type and stratification between egg yolk and egg white between group A and B. The color of egg yolk in group B was deeper than that of group A,and the color of eggshell in group B was more bright red and natural. From the aspect of apparent digestion,the excrement in group B was more delicate and the phenomenon of excessive feeding was alleviated,and the ammonia smell of chicken house was also improved.[Conclusion]Rational addition of S.cerevisiae culture in laying hens’ diet can increase feed intake,feed digestibility,maintain egg production rate in late laying period,significantly increase egg weight and egg quality,and improve the environment of hen house.

关 键 词：酿酒酵母培养物 蛋鸡 产蛋后期 产蛋性能 

分 类 号：S821.5[农业科学—畜牧学]