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Effects of Antibacterial Peptides on Growth Performance and Immune Function of Broiler Chickens
Author(s): HAN Xuejiao, MA Gaiyan, ZHOU Yuyan, ZHANG Yu, YAO Tianyu, MA Qiugang, JI Cheng, ZHAO Lihong
Pages: 70-
74
Year: 2014
Issue:
7
Journal: Chinese Journal of Animal Science
Keyword: antibacterial peptide; full-tide; growth performance; serum; broiler;
Abstract: 试验旨在研究抗菌肽对内鸡生产性能和免疫功能的影响,验证抗菌肽替代抗生素的应用效果.选用1日龄AA肉仔鸡600只,采用单因子完全随机化试验设计,随机分为5个处理组,每组6个重复,每个重复20只.空白对照组饲喂玉米-豆粕型基础日粮,抗菌肽组在空白对照组基础日粮中分别添加50、100 mg/kg和150 mg/kg富力泰,另设一抗生素对照组(200 mg/kg恩拉鼎F-40),试验期6周.结果表明:日粮中添加抗菌肽可显著改善肉鸡平均日增重、平均采食量、饲料增重比等生产性能指标(P<0.05),并显著提高血清IgG含量(P<0.05),对血清IgM和溶菌酶含量也有一定的提高作用.综合试验中生产性能和血清免疫指标的结果,推荐日粮中富力泰的添加量为100 mg/kg.
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