In a preliminary experiment 2 groups of 9 spring-born Jersey calves were fed whole milk once daily from 1 to 4 weeks of age. After a change-over period of 1 week, calves of 1 group received reconstituted buttermilk once daily at 7 pints per feed, the other receiving whole milk at the rate of 7 pints once daily. All calves were rotationally grazed on fresh leafy pasture from 1 week of age. The experiment showed that buttermilk powder could be fed once daily at a constant rate and give results at least as good as those obtained by feeding whole milk under the same conditions.
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