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Journal of Dairy Science Vol. 43 No. 2 266-269
© 1960 by American Dairy Science Association ®
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Lactic Dehydrogenase Activity in Bovine Semen1

O. T. Stallcup and J. S. Hayden

Department of Animal Industry and Veterinary Science, University of Arkansas, Fayetteville

ABSTRACT

Lactic dehydrogenase (LD) activity has been determined in 43 samples of bovine semen from 23 bulls of the Aberdeen-Angus, Holstein-Friesian, Guernsey, Jersey, and Milking Shorthorn breeds. The mean activity value expressed as Berger-Broida units/milliliter of bovine semen was 2,026 ± 151 units. Correlation coefficient between LD units/milliliter of semen and 30–60 day nonreturn conception data was - .414 (P < 0.01). Observations on 12 semen samples indicate that a considerable portion of LD activity is present in the seminal plasma.

FOOTNOTES

1 Published with the approval of the Director of the Arkansas Agricultural Experiment Station.






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Copyright © 1960 by the American Dairy Science Association ®.