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Research Laboratories of the Bureau of Dairy Industry, United States Department of Agriculture
ABSTRACT
Conclusions: Under the conditions of this experiment, whether silage was fed or not made practically no difference in the milk and butterfat yields. It should be pointed out, however, that in the experiment very moderate quantities of silage were added to a good ration, which, even after this addition, still contained a liberal quantity of good legume hay. The results throw no light on the question as to what would happen if, for instance, the hay were largely or entirely replaced by silage. Furthermore, no attempt was made in the study to disprove the fact that silage is a very economical and useful feed in the practical dairy ration or that an otherwise poor ration may be enhanced in value by the addition of silage.
From the results of the experiments, however, it seems that the factor of silage succulence does not increase the value of a ration containing an ample quantity of good alfalfa hay and a satisfactory grain mixture. Thus for experimental purposes, it seems justifiable to simplify the basal ration by leaving out the silage.
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