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牛的硫胺素表观状况及其与脑灰质软化症的关系。

Apparent thiamin status of cattle and its relationship to polioencephalomalacia.

作者信息

Loew F M, Bettany J M, Halifax C E

出版信息

Can J Comp Med. 1975 Jul;39(3):291-5.

Abstract

The thiamin status (thiamin concentration in whole blood, plasma, and erythrocytes; erythrocyte transketolase activity) of normal cattle consuming varying diets did not differ from that of cattle with polioencephalomalacia or lead poisoning. Dairy cattle had higher ruminal content of thiamin and lower thiamin destroying activity than did beef cattle. Renal oxalosis was no more frequent in cattle which had polioencephalomalacia than in postnatal calves. In normal beef cattle, approximately 75% of total blood thiamin is in erythrocytes and the remainder in plasma.

摘要

食用不同日粮的正常牛的硫胺素状态(全血、血浆和红细胞中的硫胺素浓度;红细胞转酮醇酶活性)与患有脑灰质软化症或铅中毒的牛没有差异。奶牛瘤胃中的硫胺素含量高于肉牛,而硫胺素破坏活性低于肉牛。患有脑灰质软化症的牛发生肾草酸中毒的频率并不高于新生犊牛。在正常肉牛中,血液中约75%的硫胺素存在于红细胞中,其余存在于血浆中。

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Polioencephalomalacia.脑灰质软化症
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Polioencephalomalacia and fungi: failure to demonstrate thiamin destruction.
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