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The test made a comparative study on the impact effect of complex preparation(yeast, roots enzyme and lactic acid bacteria) of yeast on production performance and air quality of broiler, the application effect of complex preparation of yeast was explored.

试验选用酵母复合制剂(酵母、根酶和乳酸菌)对肉鸡生产性能及空气质量的影响效果进行比较研究,探讨酵母复合制剂的应用效果。