J. Anim Sci.
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J. Anim Sci. 1970. 31:776-780.
© 1970 American Society of Animal Science
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Hereditary Muscular Hypertrophy in the Bovine: Metabolic Response to Nutritional Stress

J. H. G. Holmes and D. W. Robinson1

University of California, Davis,2

Abstract

The response to nutritional stress of the bovine with hereditary muscular hypertrophy (MH) was examined. Blood glucose and NEFA concentrations were measured in normal, heterozygous and MH bull calves, at 4-hr, intervals for 2 days when they received 85% or 125% of maintenance or ad libitum rations. Maximum voluntary intake was significantly lower in the MH bulls. Blood glucose tended to be lower at 85% of maintenance and NEFA was significantly lower than normal at this intake indicating reduced ability to mobilize fat reserves.

Footnotes

1 We thank Dr. W. N. Garrett for supplying a ration of known nutritional value and for use of the facilities, Dr. W. C. Rollins for permission to use the cattle and Miss Bonnie Harris who contributed greatly by her skilled handling of the animals.

2 Department of Animal Science.






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