Journal of Dairy Science Vol. 24 No. 11 905-910
© 1941 by American Dairy Science Association ®
Preservation of Bovine Spermatozoa in Yolk-Citrate Diluent and Field Results from its Use
G. W. Salisbury and
H. K. Fuller
Department of Animal Husbandry, Cornell University, Ithaca, N. T.,
E. L. Willett
Seneca Cooperative Cattle Breeders' Association, Inc., Interlaken, N. Y.
ABSTRACT
- An M/15 solution of sodium citrate mixed in equal amounts with fresh, egg yolk produced a diluent which dispersed the fat globules and other material in the yolk so that when semen was diluted with it the individual spermatozoa could be readily seen upon microscopic examination.
- The yolk-citrate diluent and the yolk-phosphate diluent were apparently equal as preservatives of the motility of spermatozoa which were stored in them tinder standard conditions for two and four days.
- The yolk-citrate diluent was superior to the yolk-phosphate diluent for the preservation of motility when semen was stored six days or more.
- In actual insemination tests with semen stored up to 5 days no significant difference in fertility was found between the semen stored in the yolk-citrate and the yolk-phosphate diluents.
- The results of the fertility studies tend to bear out the results of laboratory storage studies on the maintenance of motility under standard conditions.
Copyright © 1941 by the American Dairy Science Association ®.