饲料中添加刺五加提取物对肉鸡生长性能、屠宰性能及经济效益指标的影响

Effects of Acanthopanax senticosus extract on growth performance,slaughter performance and economic benefit of broilers

为探讨饲料中添加刺五加提取物对肉鸡生长性能、屠宰性能及经济效益指标的影响,试验选择体重相近的21日龄白羽肉鸡400只,随机分成4组,每组10个重复,每个重复10只,1组为空白对照组饲喂基础日粮,试验2、3、4组分别在基础日粮中添加1.0%、2.0%、3.0%的刺五加提取物,预试验7 d,试验期为21 d。结果表明:(1)试验2、3、4组的平均日采食量均高于1组(P>0.05),试验3、4组的平均日增重较1组比分别提高11.8%、10.3%(P<0.05),料重比较1组比分别降低16.7%、15.0%(P<0.05);(2)试验2、3、4组的屠宰率、全净膛率、半净膛率均高于1组(P>0.05),验3、4组的胸肌率、腿肌率较1组比分别提高15.3%、14.0%、21.9%、15.1%(P<0.05);(3)试验3、4组每只肉鸡经济效益较1组比分别提高11.6%、10.6%。综上,饲料中不同水平的刺五加提取物添加均可以提高白羽肉鸡的生长性能、屠宰性能及经济效益,以2.0%添加为适宜。

In order to study the effect of Acanthopanax senticosus extract on growth performance,slaughter performance and economic benefit of broilers.In the experiment,40021 day old white feathered broilers with similar body weight were randomly divided into 4 groups,10 replicates in each group and 10 in each replicates.The results showed that:(1)The average feed intake of groups 2,3 and 4 was higher than that of group 1(P>0.05),the average daily gain of groups 3 and 4 was 11.8%and 10.3%higher than that of group 1(P<0.05),and the ratio of feed to gain of groups 3 and 4 was decreased by 16.7%and 15.0%respectively(P<0.05).(2)The slaughter rate,full eviscerated rate and half eviscerated rate of groups 2,3 and 4 were higher than those of group 1(P>0.05),the breast muscle rate and leg muscle rate of group 3 and group 4 were increased by 15.3%,14.0%,21.9%and 15.1%respectively compared with group 1.(3)The economic benefits of each broiler in group 3 and group 4 was increased by 11.6%and 10.6%respectively compared with group 1.In conclusion,the addition of Acanthopanax senticosus extract at different levels could improve the growth performance,slaughter performance and economic benefit of white feather broiler,and2.0%was suitable.