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可乐×大约克生长肥育猪的能量代谢与沉积规律

Guizhou Agricultural Sciences(2011)

Cited 2|Views39
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Abstract
为了制订《毕节高寒山区猪饲养标准》,丰富动物营养学内容,同时为高寒山区优质猪资源的开发利用和产业化发展提供科学依据,选择8周龄,体重(19.49±1.94)kg的毕节内二元(可乐×大约克)去势公猪19头,进行生长试验、消化试验和比较屠宰试验。结果表明,20~110kg体重段消化能(DE)转化为代谢能(ME)的效率为95.27%,维持的ME需要量为468kJ/W0.75,20~60kg、60~110kg体重段每增重1kg的ME需要分别为19.61MJ、30.69MJ,可乐×大约克生长肥育猪总能量需要模型:20~60kg体重段ME/(MJ/d)=0.468W0.75+19.61ADG,60~110kg体重段ME/(MJ/d)=0.468W0.75+30.69ADG。
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Key words
maintenance requirement,Kele×Yorkshire hybrid pig,growth requirement,energy metabolism
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