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qian tan mu zhu de yi chang fa qing
Author(s): WANG Huijing
Pages: 35-
36
Year: 2011
Issue:
4
Journal: Hubei Journal of Animal and Veterinary Sciences
Abstract: 近年来,经产母猪异常发情给配种工作带来了很大的困难,严重影响了母猪的生产性能和猪场的效益.笔者根据多年的经验将母猪异常发情的病因、类型、预防以及治疗方法总结如下.1 母猪异常发情的病因母猪过肥、过瘦,日粮中长期缺乏维生素A、维生素E或矿物质(Ca、P、K、Na)等都会引起内分泌机能紊乱,都会导致母猪性机能减退、长期不发情、发情异常、暗发情等.可以导致母猪不发情和异常发情的疾病有:猪繁殖与呼吸...
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