00667-A: Effect of Administration of Prostaglandin F2alpha or Presence of an Estrous Teaser Bitch on Characteristics of the Canine Ejaculate

Grant Status: Closed

Grant Amount: $241.07
Dr. Margaret V. Root Kustritz, DVM PhD, University of Minnesota
July 1, 2005 - December 31, 2005
Sponsor(s): Yorkshire Terrier Club of America Foundation, Inc.
Breed(s): -All Dogs
Research Program Area: Treatment

Abstract

An increase in the total number of spermatozoa ejaculated by a male dog would be of value for stud dogs whose owners desire fewer matings during a given bitch's heat and for any ejaculate that is to be chilled or frozen. In separate studies, administration of a smooth muscle stimulant, prostaglandin F2alpha (PGF2alpha), and presence of an estrous teaser bitch were shown to increase total number of spermatozoa in the ejaculate. The primary objective of this study is to determine extend ot effect of administration of PGF2alpha prior to semen colelction on total number of spermatozoa in the ejaculate in the presence or absence of an estrous teaser bitch.

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