Am. Soc. Anim. Prod.
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Am. Soc. Anim. Prod. 1939:225-231
© 1939 American Society of Animal Science
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The Effects of Feed on Sperm Production of Jacks and Stallions, and Some Physiological Properties of their Semen*

V. R. Berliner, F. E. Cowart{ddagger} and L. L. Pharis

Mississippi State College

Abstract

Frequent inquiries from jack and stallion owners in Mississippi for suitable rations for their stud animals composed of available homegrown feeds, brought us face to face with the fact that practically no information was available on the usefulness of some farm feeds as "breeding" rations for studs. Since frequently the only concentrate fed is corn, in the fall of 1938 an experiment was set up to test the value of corn as a breeding feed by testing its sperm producing quality on three stud animals belonging to the Mississippi Experiment Station, namely one Mammoth Jack, one American Five-gaited Saddle Stallion, and one Percheron Stallion. During this test, the animals were on a daily ration of one pound of corn and one pound of lespedeza hay per 100 pounds liveweight. It was planned to investigate how the animals would stand up under light use and also under a heavier breeding load.

Footnotes

* Contribution from the Department of Animal Husbandry, Mississippi Agricultural Experiment Station, State College, Mississippi. Published with the approval of the Director, Mississippi Agricultural Experment Station. Paper No. 22, New Series.

{ddagger} Most of the data presented are taken from a thesis by F. E. Cowart in partial fulfillment of the Master of Science degree at Mississippi State College, 1939.






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Copyright © 1939 by the American Society of Animal Science.