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Isolation of Ova from the Living Bovine^1,2

Minnesota Agricultural Experiment Station, St. Paul

ABSTRACT

A series of experiments was conducted to determine the possibility of recovering ova from the living cow.

All surgical methods, such as transplantation of the ovary, resectioning the uterine horn and translocating the ovary subcutaneously, have yielded negative results.

The method of inserting a catheter into the uterus of a cow in order to recover fertilized ova has proved impractical.

Instruments and techniques for recovering fertilized bovine ova without injury to the donor's reproductive tract have been developed.

¹ These data are taken from a thesis presented to the graduate school of the University of Minnesota by Arthur E. Dracy in partial fulfillment of the requirements for a Ph.D. degree.

² Published as paper no. 2607, scientific journal series of the Minnesota Agricultural Experiment Station.

³ Present address: South Dakota State College of Agriculture, Department of Dairy Husbandry, Brookings.