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jia qin wei sheng su que fa bing
Author(s): 
Pages: 23-25
Year: Issue:  4
Journal: Veterinary Pharmaceuticals & Feed Additives

Keyword:  维生素缺乏病饲料缺乏症需要量生理机能国际单位家禽控制与调节身体健康生物学活性;
Abstract: <正> 维生素是具有高度生物学活性的物质,它既不能供给热能,也不能作为构成机体的原料,只在体内新陈代谢中起着调节生理机能的作用。家禽对维生素的需要量甚微,常以毫克、微克或国际单位来计算.但对体内物质代谢、能量转换、生理机能的控制与调节,即对身体健康、生长、繁殖、产蛋
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