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nai niu gu zhi shu song zheng xing ti bing de zhen zhi he yu fang
Pages: 25-26
Year: Issue:  3
Journal: Liaoning Journal of Animal Husbandry & Veterinary Medicine

Keyword:  骨质疏松症奶牛肢蹄病运动场钙磷比例予防肿胀蹄部发病牛群;
Abstract: <正> 近年来,我场奶牛多患骨质疏松症性蹄病,一九六六年共发生十五头,占牛群总数的11.8%。表现为蹄冠肿胀,呈高度支跛,食欲减退,严重者蹄底流脓,以致卧地不起。当时误认为由于奶牛蹄形不良,加之运动场泥泞而造成的“肢蹄病”。
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