Natural establishment of thiaminase activity in the alimentary tract of newborn lambs and effects on thiamine status and growth rates.

Abstract

Thiaminase activity was detected in the faeces of lambs at 2 to 5 days of age. Levels of activity increased for 10 days and then declined over the next 3 to 4 weeks. Decreased erythrocyte transketolase activity indicated thiamine insufficiency in lambs with high thiaminase activity. Mean growth rates were 17% less in lambs with high thiaminase activity than… (More)

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