微生态制剂在广西三黄鸡养殖中的应用及推广

为了筛选和推广使用性能稳定、饲养效果好、价格合理的微生态制剂，更好地提高广西养殖三黄鸡的经济效益，通过市场调查与研究，先后在3个三黄鸡养殖场开展饲养对比试验。结果表明，除益生宝外，在三黄鸡饲粮中添加微生态制剂，可降低料肉比0．09～0．90、提高平均日增重0．25～2．83g／只，获得较高的经济效益，其中以产酶益生素和协力2000益生素的效果较佳，但添加益生宝的抗病杀菌效果最佳。可见，不同微生态制剂在动物机体上所表现出的主效作用存在明显差异。因此，实际生产中应根据生产需要选用不同的微生态制剂，或考虑不同微生态制剂的配伍使用。

Application of microecologics on Sanhuang chicken farms in Guangxi

The comparison test on raising chicken in three Sanhuang chicken farms in Guangxi were conducted to screen and extend microoecologics with stable usability, better raising effects and reasonable price for increasing the eco- nomic benefits of raising Sanhuang chiken in Guangxi. The microecologics, viz., Xieli 2000 probiotics, Ketewei, Chanmei probiotics, probiotics and Yishengbao were used in the tests. The results showed that except Yishengbao, adding the other microecologies to feed of Sanhuang chicken decreased the fed muscle ratio with 0.09-0.90, increase the average of in- creasing weight/day with 0.25-2.83 g/chicken, obtain higher economic benefits, especially for a better effects of Chanmei probioties and Xieli 2000 probiotics, while the disease-resistant bactericidal effect of Yishengbao was found to be the best. Therefore, different mieroeeologies had different effects on animal, and different microecologics should be applied according to the practice production or different microeclogics could be combined reasonably in practice.