Intraperitoneal insemination in repeat-breeder cows: a preliminary report.
Intraperitoneal insemination of 62 repeat-breeder dairy cows resulted in 9 pregnancies. The pregnancy rate was not different for intraperitoneal or uterine inseminations. In nonpregnant cows, reproductive variables such as the percentage of cows returning to estrus, the average interval from insemination to the next estrus, and the pregnancy rate following subsequent uterine insemination were not influenced by intraperitoneal insemination. Our results suggest that intraperitoneal insemination could be an alternative procedure to the usual deposition of semen into the uterus in repeat breeder cows.
López-Gatius
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Departamento de Producción Animal, Escuela Técnica Superior de Ingeniería Agraria, Universidad de Lleida, Avda. Alcalde Rovira Roure, 177 25006 Lleida, Spain.