奶牛的妊娠诊断与妊娠终止
MODERN LIVESTOCK AND POULTRY BREEDING INDUSTRY（2004）
Abstract
1妊娠诊断
1.1直肠检查法
①术式:将手伸入直肠,于骨盆底握住子宫颈,并向前伸,用手指寻找子宫间沟.继续前伸,手指顺子宫角弯曲而弯曲,并将丽子宫角握在手中,分别触摸.沿子宫角尖端仔细触摸卵巢.触摸子宫中动脉时,可将手掌贴到骨盆顶向前滑动,经过岬部,向前可触摸到游离、颤动的子宫中动脉.
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