For intestinal tract, the weight and length of small intestine had no significance difference between control group and test group.
结果表明：添加生物制剂对苏禽黄鸡的肠道相关指数影响不大，试验组和对照组鸡只的小肠长度和重量指标没有显著差异。
For intestinal tract, the weight and length of small intestine had no significance difference between control group and test group.
结果表明：添加生物制剂对苏禽黄鸡的肠道相关指数影响不大，试验组和对照组鸡只的小肠长度和重量指标没有显著差异。
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