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Wet Corn Gluten Feed as a Supplement for Lactating Dairy Cattle and Growing Heifers

Department of Dairy Science, University of Wisconsin, Madison 53706

ABSTRACT

A lactation trial and a heifer growth trial were conducted to evaluate use of wet corn gluten feed by dairy herds. Twelve multiparous and 4 primiparous Holsteins were assigned to 4 x 4 Latin squares blocked according to previous production or parity. Animals received increasing amounts of wet corn gluten feed, up to 36% of ration DM, in place of a dry corn and soybean meal concentrate mixture. Each kilogram of wet corn gluten feed DM replaced .9 kg concentrate DM. Diets were based on ensiled forage with 33% of forage DM from wilted alfalfa silage and the remainder from corn silage. Forage and supplement were fed separately. Milk production, composition, and DM intake were not affected by increased feeding of wet corn gluten feed. Higher producing cows performed well on this feed. Wet corn gluten feed was generally acceptable when fed separately, but two animals refused sizable portions when fed the highest amount. Wet corn gluten feed can be utilized in traditional stall feeding of dairy cattle, and individual feeding should allow better management of this feed resource by limiting the amount offered to cattle that find it unpalatable. Wet corn gluten feed is also an adequate supplement for raising dairy replacements, allowing more rapid utilization of this perishable feed resource by the dairy herd.

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				P. J. Kononoff, S. K. Ivan, W. Matzke, R. J. Grant, R. A. Stock, and T. J. Klopfenstein Milk production of dairy cows fed wet corn gluten feed during the dry period and lactation. J Dairy Sci, July 1, 2006; 89(7): 2608 - 2617. [Abstract] [Full Text] [PDF]