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Study on Bone Dysplasia of the Calves Caused by Vitamin A Deficiency
Author(s): 
Pages: 49-52
Year: Issue:  22
Journal: China Dairy Cattle

Abstract: 一牛场出现犊牛腿部骨骼发育异常、多数母牛胎衣不下的情况,开展现场临床检查,实验室检测犊牛和母牛的血清Ca、P、碱性磷酸酶,犊牛骨碱性磷酸酶,母牛和犊牛血清维生素A含量。结果表明,部分犊牛Ca、P、碱性磷酸酶偏低,其他犊牛以上指标正常,所有检测的犊牛、母牛血清维生素A含量均远低于参考值,处于严重缺乏状态。通过临床检查、实验室检验及药物试验,证明该牛场此次犊牛腿部骨骼发育异常及母牛胎衣不下是以维生素A...
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