谷氨酰胺替代饲用抗生素对黄羽肉鸡生产性能和屠宰性能的影响  

The Effects of Glutamine Used as Substitute for Antibiotics Feed Additive on Production Performance and Slaughter Characteristics of the Yellow Chicken

作　　者：李天强[1] 李虎[1] 李海英[1] 李晓斌[1] 翟卫爽[1] 杨开伦[1] 

机构地区：[1]新疆农业大学动物营养实验室,乌鲁木齐830052

出　　处：《新疆农业科学》2011年第8期1525-1530,共6页Xinjiang Agricultural Sciences

基　　金：新疆维吾尔自治区高新技术研究发展计划项目(200911113)

摘　　要：【目的】研究基础日粮中添加谷氨酰胺替代饲用抗生素对黄羽肉鸡生产性能及屠宰性能的影响。【方法】将180只1日龄的黄羽肉鸡随机分为5个处理组(每个处理组3个重复,每个重复12只)。分组情况:阳性对照组在基础日粮中添加饲用抗生素(0.03%那西肽+0.025%硫酸粘杆菌素预混剂);阴性对照组饲喂基础日粮;试验Ⅰ组在基础日粮中添加0.1%谷氨酰胺;试验Ⅱ组在基础日粮中添加0.2%谷氨酰胺;试验Ⅲ组在基础日粮中添加0.3%的谷氨酰胺。【结果】81 d时各组平均体重分别为2.72、2.66、2.62、2.84、2.68kg,差异不显著(P>0.05),试验Ⅱ组平均体重比阳性对照组高4.41%。8～81 d料重比分别为2.67、2.66、2.80、2.64、2.62,差异不显著(P>0.05),日粮中分别添加0.1%谷氨酰胺、0.2%谷氨酰胺及0.3%谷氨酰胺替代饲用抗生素,黄羽肉鸡81 d体重、饲料转化率、胴体品质等指标上各组间无显著差异(P>0.05)。【结论】从黄羽肉鸡81 d体重、料重比、死亡率等指标综合来看,用添加0.2%谷氨酰胺替代黄羽肉鸡饲用抗生素是可行的。[Objective]An experiment was conducted to study the effects of glutamine replacing antibiotics in diet on production performance,slaughter characteristics of the yellow chicken.[Method]One hundred - eighty - one - day - old yellow chicken were randomized into two control groups and three trial groups with 3 replicates per group and 12 chickens per replicate.The positive control group was fed with diet supplemented with antibiotics（0.03%Nosiheptide ＋ 0.025%Colistin sulfate premix）.The negative control group was fed with basal diet.Birds in the trial groupⅠ,ⅡandⅢwere fed with diet supplemented with 1,2, 3 g/kg glutamine,respectively.[Result]The average weight（kg） of 81 -day -old chicken in each group were 2.72,2.66,2.62,2.84,2.68 kg,and there was no significant difference（P〉0.05） among the groups,and the average weight of the trial groupⅡwas higher than the positive control group by a margin of 4.41%.The feed conversion ratios of the whole period were not significantly different from those with 2.67, 2.66,2.80,2.64 and 2.62 respectively（P〉0.05）.The results showed that there were no significant differences（P〉0.05） among the birds fed with diets supplemented with glutamine of 0.1%,0.2%,0.3% substituting feed antibiotic additive compared with birds in control groups in terms of the body weight,feed conversion,other indicators of carcass quality of the 81 d chicken.[Conclusion]The evaluation of 81 d finish body weight,feed intake to body weight ratio and death rate of the chicken showed that using substituted antibiotic feed additive with 0.2%glutamine is suitable in the diet of yellow chicken.

关 键 词：谷氨酰胺 饲用抗生素 黄羽肉鸡 生产性能 屠宰性能 

分 类 号：S831.5[农业科学—畜牧学]