Eradication of carriers of Complex Vertebral Malformation (CVM) and Brachyspina in Polish Holstein-Friesian bulls
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CVM ( Complex Vertebral Malformations) and Brachyspina (BY) are the most common autosomal recessive genetic defects occurring in the last two decades in Holstein dairy cattle around the world. Beginning from 2004 and 2014, 3035 and 338 Polish Holstein-Friesian... ...
