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Journal of Dairy Science Vol. 37 No. 2 228-234
© 1954 by American Dairy Science Association ®
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Metabolic Responses of Bovine Spermatozoa to Antibacterial Agents1

Cecil Branton and W. B. Prather2

Dairy Department, Louisiana State University, Baton Rouge

ABSTRACT

Sulfanilamide and the antibiotics, penicillin and streptomycin, are now being used singly or in various combinations almost universally in the diluted semen processed and shipped from bull studs throughout this country. The widespread use of these agents has resulted from research and observations which showed that these agents control bacteria (3, 4, 5, 11), prolong livability (3, 4, 5, 11, 12), and improve fertility (1, 2, 16, 22) of bovine spermatozoa. The improvement in fertility has been more marked for semen from bulls with moderate and low fertility levels than for semen from bulls with relatively high fertility (1, 2, 16).

The beneficial effects of these agents on livability and fertility of bovine spermatozoa generally have been ascribed to their control of the bacterial flora of the semen. The results of the metabolic, studies by Almquist et al. (5) and Knodt and Salisbury (12) of penicillin and sulfanilamide treated semen, respectively, indicate that some of the beneficial effects may be due to the effects of these agents on spermatozoan metabolism.

FOOTNOTES

1 A portion of the data for this paper is from a thesis to be presented by the junior author to the Graduate School, Louisiana State University, in partial completion of the requirements for the degree of Master of Science.

2 Present address: Lee County Health Department, Opelika, Alabama.






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Copyright © 1954 by the American Dairy Science Association ®.