Abstract
Summary
1. Feeding of 0.5 g of potassium penicillin per 100 lb of milk replacement to Holstein bull calves resulted in a decreased rate of gain in body weight and growth in height at the withers in this experiment. 2. Feeding of 0.1 g, 0.3 g, 0.9 g, and 2.7 g of procaine penicillin also resulted in decreased growth rates in terms of mean gains in body weight and mean increase of height at the withers in this trial.
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