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rou niu zeng zhong ji yu mi chi mei chun
Author(s): 
Pages: 14-17
Year: Issue:  4
Journal: Veterinary Pharmaceuticals & Feed Additives

Keyword:  玉米赤霉醇增重剂肉牛业育肥牛日增重埋植肉牛生产生长促进剂牛肉快速育肥;
Abstract: <正> 牛肉的生产,因繁殖率低、生长周期长等因素制约,生产效益相对较低.牛肉的生产在我国以往是以役用为主,退役后宰杀作肉用,直接育肥作为食用的比例相对较小,由此限制我国育肥牛生产的发展;而在美、英等国是以育肥牛用为食用.因此,迫切需要通过快速育肥以提高牛肉的产量.增重剂的应用,是肉牛快速育肥的一项很好的增重新技术。一、肉牛增重剂种类增重剂又称生长促进剂,可分为激素类和
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