...业科学 > 畜牧、动物医学、狩猎、蚕、蜂 > 家畜 > 牛] 全文快照： cattle 奶牛真胃变位(displacement of abomasums，DA)是指真胃的正常解剖学位置发生改变，真胃形成机械性转移，是一种消化道梗阻的综合病症。
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皱胃变位 Abomasal displacement ; Displacement Abomasal ; displacement of abomasum
真胃变位 Displacement of Abomasum
四胃变位 Displacement of abomasum
奶牛皱胃变位 displacement of the abomasum ; DA
奶牛真胃变位的诊治 Chinese Journal of Veterinary Medicine
称为真胃变位 Displacement of Abomasum
皱胃右方变位 Right displacement of the abomasum ; Right Displaced Abomasum
真胃左方变位 Left Displacement of Abomasum ; Left Displaced Abomasum
皱胃左方变位 left Displaced Abomasum ; LDA
真胃变位的发生以2～4胎次的奶牛发病率最高。
The highest incidence of AD was observed from 2 to 4 parity.
根据调查和临床实践，讨论了奶牛真胃变位发生的主要原因和机理。改善日粮配方可有效预防该病的发生。
According to investigation and clinical practice, the main causes of left displaced abomasums of milk cow were discussed. Improving feed prescription could guard against the disease.
目前，随着奶牛集约化饲养的扩大和产奶量的提高，奶牛真胃左方变位的发病率逐渐增加。
With intensive dairy farm and high milk yield, the incidence of LDA in dairy cows increases gradually in recent years.
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