植物乳杆菌和枯草芽孢杆菌混菌发酵饲料对肉鸡生长性能、屠宰性能和肠道结构的影响

doi:10.16431/j.cnki.1671-7236.2020.12.013

摘要/Abstract

摘要： 本试验旨在研究发酵饲料在肉鸡饲料中的使用方法和添加比例。在肉鸡饲料中添加0、10%、20%发酵全价饲料，正常制粒，研究其对肉鸡生长性能、屠宰性能及肠道等相关指标的影响，为发酵饲料在肉鸡饲料中的应用提供参考。选择1日龄爱拔益加（AA）健康肉仔公鸡180只，随机分为3个处理，每个处理6个重复，每个重复10只鸡。3个处理组分别饲喂含发酵全价饲料0（F0组）、10%（F10组）、20%的日粮（F20组），饲养时间42 d。结果表明，从全期来看（1~42日龄），10%发酵饲料替代组显著降低了料重比（P<0.05），平均日增重有增加的趋势（P=0.05）。42日龄时，发酵饲料对屠宰性能无显著影响（P>0.05）；20%发酵饲料替代组肉鸡的回肠隐窝深度显著高于对照组和10%替代组（P<0.05）；20%和10%发酵饲料替代组肉鸡十二指肠绒毛长度、十二指肠和空肠的绒毛长度/隐窝深度（V/C）显著高于对照组（P<0.05）。以上结果提示，肉鸡饲料中以10%的发酵全价饲料替代可以降低料重比，提高平均日增重，并对肠道发育有一定的影响。

关键词: 发酵饲料; 肉鸡; 生长性能; 屠宰性能; 肠道结构

Abstract: The purpose of this experiment was to study the usage and proportion of fermented feed in broiler feed.By adding 0,10% and 20% fermented complete formula feed to the broiler feed,and granulating normally,the influence of the usage mode of the fermented feed on the production performance,slaughter performance,intestinal tract and other related indexes of the broiler feed were studied,so as to provide reference for the application of the fermented feed in the broiler feed.180 1-day-old healthy AA male broilers were randomly divided into 3 groups with 6 replicates in each group and 10 chickens in each replicate.The three treatment groups were fed with 0,10% and 20% of the total fermented feed for 42 days.The results showed that:From the whole period (1-42 days old),the 10% fermentation feed substitution group significantly reduced the feed consumption and weight gain ratio (P<0.05),and the average daily weight gain increased (P=0.05).At 42 days old,there was no significant effect of fermented feed on slaughter performance (P>0.05).The ileal crypt depth of broilers in the 20% fermentation feed replacement group was significantly higher than that in the control group and the 10% replacement group (P<0.05).The length of duodenal villi and V/C in 20% and 10% fermentative feed substitution group was significantly higher than that in control group (P<0.05).The results showed that the replacement of 10% fermented feed in broiler feed could reduce the ratio of feed to weight gain,increase the average daily gain,and have a certain impact on intestinal development.

Key words: fermented feed; broiler; growth performance; slaughter performance; intestinal morphology

中图分类号:

S816.6

陈志敏, 郑爱娟, 常文环, 蔡辉益, 刘国华. 植物乳杆菌和枯草芽孢杆菌混菌发酵饲料对肉鸡生长性能、屠宰性能和肠道结构的影响[J]. 中国畜牧兽医, 2020, 47(12): 3909-3916.

CHEN Zhimin, ZHENG Aijuan, CHANG Wenhuan, CAI Huiyi, LIU Guohua. Effects of Lactobacillus and Bacillus subtilis Mixed Fermentation Feed on Growth Performance,Slaughter Performance and Intestinal Morphology of Broilers[J]. China Animal Husbandry and Veterinary Medicine, 2020, 47(12): 3909-3916.

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