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The Vet Is In...

机译：兽医正在...

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This metabolic disorder usually occurs shortly after parturition when cows are rapidly moved from a dry cow ration with little or no grain being fed to a milk cow ration where up to 60% of the ration may be concentrate and only 40% roughage. The diagnosis of subclinical rumen acidosis is difficult and quite frequently missed. Unfortunately this is one of the most common reasons for the post-partum cow being off feed for 6-18 hours. A single one of these episodes of rumen acidosis can damage the lining of the rumen and the papillae on the inside lining of the rumen, also the sensitive laminae of the hoof and inoculate the liver, heart, kidneys and joints with bacteria. The cow then may develop complications weeks to months later. The complications include lame cows from laminitis, swollen infected joints, kidney infections and heart murmur from bacterial damage to the valves of the heart.
机译：这种代谢紊乱通常发生在分娩后不久，当母牛从干母牛口粮中快速移出时，几乎没有或没有谷物被喂入奶牛饲料中，其中高达60％的饲料为浓缩饲料，只有40％的为粗饲料。亚临床瘤胃酸中毒的诊断很困难，而且经常被漏诊。不幸的是，这是产后母牛停产6-18小时的最常见原因之一。这些瘤胃酸中毒事件中的单个事件会损坏瘤胃的内壁和瘤胃内壁的乳头，这也是蹄的敏感层，并用细菌接种肝，心脏，肾脏和关节。母牛可能在数周至数月后出现并发症。并发症包括因椎板炎引起的la脚奶牛，受感染的关节肿胀，肾脏感染以及因细菌对心脏瓣膜的损害而引起的心脏杂音。

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