【作者】 曾国文； 戴荣国； 徐登峰； 曾代勤； 周淑兰； 陈春林； 郑华；

【Author】 CAO Guowen DAI Rongguo XU-Denfang ZENG Daiqun Zhou Shulan Chen Chunlin Zheng Hua(Chongqing Animal Science Academy Rongchang 402460)

【机构】 重庆市畜牧科学院兽医研究所；

【摘要】 选择34周龄的尼克红蛋鸡370只进行了不同益生菌剂对蛋鸡生产性能的影响试验。试验结果: 与对照组比较,混合芽孢杆菌组与混合芽孢杆菌+酵母菌组产蛋率显著提高6.99%和6.63%(p< 0.05),混合芽孢杆菌+乳酸菌组和混合芽孢杆菌+黑曲霉菌组差异不显著;而芽孢杆菌+乳酸菌组和芽孢杆菌+酵母菌组的蛋重显著提高3.03%、1.95%(p<0.05),其他两组有提高趋势。蛋破损率, 除芽孢杆菌+乳酸菌组外,其余三个试验组分别降低70.37%、51.85%和100%。饲料报酬比较,除芽孢杆菌+乳酸菌组外,其余三组分别提高7.69%、6.82%和7.28%。每只鸡的收益比较,试验组除 1组外,2、3、4组比对照组分别提高19.41%、14.36%和17.81%。试验表明芽孢杆菌混合制剂与芽孢杆菌加酵母菌组均能提高产蛋率,降低饲料成本,提高饲料转化率和经济效益,但综合考评其生产性能以及耐保存能力,以芽孢杆菌组合为优。选择开产的尼克红蛋鸡408只进行芽孢杆菌复合制剂适宜添加量的筛选试验,试验结果:与对照组比较,添加0.1%的效果最佳,产蛋率提高7.84%; 蛋重增加1.23%;饲料报酬提高9.60%;产软壳蛋降低43.63%;破壳蛋降低76.04%。更多还原

【Abstract】 370 Nikehong layers brown of 34 weeks old were tested Screening the best compound microbe group.Compared with the control;the results were as follows:The layer rate of mix bacillus group and mix bacillus+yeast group increase by 6.99%(p<0.05)and 6.63%(p<0.05)respectively,other trial groups were not difference.The egg size of bacillus + lactic acid bacteria group and bacillus+yeast group significantly raise by 3.03%(p<0.05)and 1.95%(p<0.05),other two trial groups have a raising trend.The worn egg rate,expect bacillus+lactic acid bacteria group,other trial groups reduce by 70.37%,51.85% and 100% respectively.The feed conversion,expect bacillus+lactic acid bacteria group,other trial groups increase by 7.69%,6.82% and 7.28% respectively.Compared the economy benefit of every chook between the groups,except that 1 group’,the other groups’ heightened than the control group’s 19.41%,14.36% and 17.81% respectively.It is found that the mix bacillus group is the best group.408 beginning layers were tested screening the suitable additive quantity.Compared with the control,the result showed the administered 0.1% mix bacillus group is the best group,the laying rate raise by 7.84%(p<0.05),the egg size increase by 1.23(p<0.05),the feed conversion raise by 9.6%,the wom egg rate reduce by 76.04%.更多还原