Urbana, Ill. : University of Illinois Agricultural Experiment Station,
Abstract
"All of the data in this bulletin, except the data for the grazing season of 1935, were submitted by the senior author to the Graduate School of the University of Illinois, June, 1935, in partial fulfillment of the requirements for the degree of doctor of philosophy in animal husbandry."--P. 443.Cover title.Bibliography: p. 506-508