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Journal of Dairy Science Vol. 77 No. 10 3051-3057
© 1994 by American Dairy Science Association ®
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Effects of Concentrated Separator Dried Beet Pulp on Nutrient Digestibility, Milk Production, and Preference of Holstein Cattle

R. D. Wiedmeier 1, C. W. Arave 1, M. J. Arambel 1, B. A. Kent 1, and J. L. Walters 1

1 Department of Animal, Dairy and Veterinary Sciences, Utah State University, Logan 84322-4815

Concentrated separator by-product was fed to cattle to determine TDN, milk production, and feed preference. The TDN content of concentrated separator by-product was determined using a substitution method involving a basal diet of alfalfa and grass hay and a treatment diet of alfalfa and grass hay plus 10% added concentrated separator by-product. Four ruminally cannulated cows in a replicated 2 x 2 Latin square design were used. The estimated TDN content of concentrated separator by-product was 59.3%.

Twenty midlactation dairy cows were fed either a control ration containing 20% molasses dried beet pulp or a treatment ration containing 20% concentrated separator by-product dried beet pulp. Cows in the treatment group produced significantly less daily milk and 3.5% FCM than the control group. Percentages of milk fat, protein, lactose, and SNF were not different between treatments.

Eight Holstein heifers were used to determine feed preference. Heifers were given a choice among 20% molasses dried beet pulp (control) or 10, 15, or 30% concentrated separator by-product dried beet pulp. Heifers showed no preference between 10 or 15% concentrated separator by-product dried beet pulp and control, but preferred the control over the 30% concentrated separator by-product dried beet pulp.

Key Words: by-products • beet pulp • cattle • diet

Submitted on November 8, 1993
Accepted on June 9, 1994




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T. L. Lawler-Neville, S. M. Shellito, T. D. Maddock, M. L. Bauer, G. P. Lardy, T. C. Gilbery, and J. S. Caton
Effects of concentrated separator by-product (desugared molasses) on intake, site of digestion, microbial efficiency, and nitrogen balance in ruminants fed forage-based diets
J Anim Sci, August 1, 2006; 84(8): 2232 - 2242.
[Abstract] [Full Text] [PDF]


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Copyright © 1994 by the American Dairy Science Association ®.