【摘要】 选用240只AA肉仔鸡,随机分成4组,对照组饲喂基础日粮,试验组在基础日粮中分别添加杆菌肽锌(20mg/kg)、2%和3%的益生素,比较试验鸡的生产性能。结果表明:日粮中添加2%和3%的益生素可显著提高肉鸡的日增重、饲料效率、成活率、屠宰率(<0.05);益生素可替代抗生素杆菌肽锌提高肉鸡生产性能。更多还原

【Abstract】 Choose 240 AA-type broilers, and divide them into four groups randomly. Contrasting groupis fed with basic proportion grain ration and the groups for experiment are fed with the basic pro-portion grain ration with bacitracin zinc (240mg/kg) 2% and 3% probiotics, and then compare the per-formance of the broilers for experiment. The result of the research shows: adding 2% and 3% probio-tics to the basic proportion grain ration can increase the increasing weight per day, the produc-tiveness of fodder, the rate of survival, the rate of slaughter ( < 0.05), and the antibioticalpeptide zinc bacillus can be replaced by probiotics. probiotics can increase performance of Broiler.更多还原