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Division of Dairy Husbandry, University of Minnesota, St. Paul
ABSTRACT
In the butter-producing areas of the United States the proper utilization of the by-products is an important economic question. Minnesota, for example, with a total butter production of approximately 290,000,000 pounds annually has a total of over six billion pounds of skimmilk and buttermilk available for use on the farms and in the factories. The recommendations of agricultural authorities have been to use the dairy by-products for feeding livestock and the excellent results following this general practice are well known.
In recent years the production of cream for butter manufacture has developed in regions where it is not practical to produce sufficient grain to make swine production profitable on a large scale. The farmer uses all the skimmilk he can as feed for his pigs, calves, and chickens and still often has milk on hand. A calculation based upon census figures shows that after allowing for all the skimmilk that can be used economically by the pigs, calves, and poultry in this state a surplus of over a billion pounds remains.
* Published with approval of the Director as Paper No. 959, Journal Series, Minnesota Agricultural Experiment Station. The data used are taken largely from the thesis of E.N. Shultz submitted in partial fulfillment for the degree of Master of Science, University of Minnesota, June, 1929.
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