. Annual report of the Illinois State Dairymen's Association. Illinois State Dairymen's Association; Dairy farms; Dairy farming. FIFTY-SECOND ANNUAL CONVENTION 35 they will eat twice a day with all the corn silage they will eat twice a day, and just some grown grain, corn, barley, or oats, cows producing even thirty or forty pounds of milk a day can be maintained in protein balance. They are not losing protein or nitrogen from their bodies. We carried on experiments with our pure-bred cows in the regular dairy herd during two different winters, we fed one group of cows nothing but alfalfa hay,
. Annual report of the Illinois State Dairymen's Association. Illinois State Dairymen's Association; Dairy farms; Dairy farming. FIFTY-SECOND ANNUAL CONVENTION 35 they will eat twice a day with all the corn silage they will eat twice a day, and just some grown grain, corn, barley, or oats, cows producing even thirty or forty pounds of milk a day can be maintained in protein balance. They are not losing protein or nitrogen from their bodies. We carried on experiments with our pure-bred cows in the regular dairy herd during two different winters, we fed one group of cows nothing but alfalfa hay, corn silage and a mixture of half oats and corn, ground of course. The other ration we fed to another group of cows, con- sisting of the same feeds, except we substituted three- quarters of a pound of linseed meal and three-quarters of a pound of cottonseed meal for the same weights of corn and oats. Most of us would guess that the cows getting the linseed and cottonseed meal in addition to this home- grown ration of alfalfa and corn silage would produce somewhat more milk or butter fat. To our surprise in neither experiment did they. Throughout the winter the production was just as good on the home grown ration, though these were pure-bred cows producing at least one pound of butter fat a day. When we figured up the results we found that this home grown ration had supplied a pretty well balanced ration. The nutritive ration of this ration was one year about one to That means one pound of digestible gluten protein to pounds of other matters. That is a gluten protein to pounds of other matters. That is a mend for feeding year in and year out to good pure-bred cows or high grade cows, a diet with quite as low an allowance of protein as that. I am not quite sure whether the effect over a long period of time would be as good as if a little more protein was supplied. In other words I believe a good dairy cow, a highly efficient cow, is enti- tled to the benefit of the
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