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肉鸡日粮的适宜氨基酸水平

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摘要 随着人们对肉鸡胸肌及其相关增值产品需求量的增加,肉鸡行业迅猛发展。与以前相比,肉鸡达到上市体重所需的时间更短。Fancher等报道,过去十年,通过几家主要遗传育种公司的基因改良,肉鸡单位增重的耗料量更低。因此,为充分发挥生产性能,现代肉鸡对日粮氨基酸的需要量有所增加。在美国,日粮中氨基酸的增补有两个不同的营养策略:一是成本最低化导向的低氨基酸浓度;二是胸肌产量最大化导向的高氨基酸浓度。
出处 《广东畜牧兽医科技》 2010年第6期8-10,15,共4页 Guangdong Journal of Animal and Veterinary Science
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