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1981
A technique is described for meausuring increases in bone length during defined periods before slaughter in cattle. It consists of jugular infusions of oxytetracycline at specified time intervals. Oxytetracycline identifies the sites of ossification in growing bones at the time of infusion by...
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1982
Counting the number of permanent anterior (incisor plus canine) teeth is a well-established method for estimating physiological age in cattle. In this study, 1295 observations were made on cows and heifers representing five breed types and ranging in age from 475 to 2035 days. None of the breed...
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