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Journal of Dairy Science Vol. 49 No. 8 976-981
© 1966 by American Dairy Science Association ®
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High-Roughage System for Raising Calves Based on the Early Development of Rumen Function. XI. Performance of Calves Fed Alfalfa, Beet Pulp, or Soybran Flakes as the Roughage in Complete Pelleted Rations1

S. Addanki2, J. W. Hibbs and H. R. Conrad

Department of Dairy Science, Ohio Agricultural Research and Development Center, Wooster

ABSTRACT

The performance of calves up to six months of age fed three complete, high-roughage (67%) pelleted rations to 16 wk of age was compared. In these pelleted rations either alfalfa (OA), beet pulp (OB), or soybran flakes (OS) were used as the basic roughage. After 16 wk to 26 wk the ration consisted of six parts loose alfalfa hay and one part grain mix.

Growth, feed consumption, digestibility, and efficiency of feed utilization were used as criteria in measuring calf performance. Body weight at 16 and 26 wk and body weight gain from 8 to 16 wk and at 16 and 26 wk in the OS pellet group were significantly greater than the OA pellet group. These differences in body weight were not reflected as significant differences in withers height. None of the differences in pellet consumption were statistically significant. Digestibility of dry matter, cellulose, crude fiber, calcium, phosphorus, and TDN were all significantly greater in the OB and OS pellet groups compared to the OA pellet group. No significant differences were observed in the efficiency of feed utilization among the three pellet groups as measured by TDN intake/pound of grain.

FOOTNOTES

1 Published with approval of the Associate Director of the Ohio Agricultural Research and Development Center as Journal Article no. 26-66. Data presented in this paper were presented in partial fulfillment of the requirements for the degree Master of Science to the Graduate Faculty of The Ohio State University, 1962.

2 Present address—Department of Physiological Chemistry and Pediatrics, College of Medicine, The Ohio State University, Columbus, Ohio.






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