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Department of Animal Husbandry, Cornell University, Ithaca, N. Y.
ABSTRACT
In two experiments Holstein cows produced an average of 2.6 lb. more 4 per cent fat-corrected milk daily on a concentrate mixture containing corn distillers dried grains with solubles and 1.6 lb. more with corn distillers dried solubles than on a similar mixture containing corn gluten feed and soybean oil meal as the principal protein supplement to oats and barley. Rye distillers dried grains with solubles gave results approximately equal to corn gluten feed in a single study.
Analyses of variance of the results of the two studies showed that the differences in production approached significance at the 5 per cent level. The authors believe the results suggest that corn gluten feed probably is not as efficient as a protein supplement to barley and oats for milk production as corn distillers dried grains.
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