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Senn BJ, Richardson ME. Seasonal effects on caprine response to synchronization of estrus and superovulatory treatment. Theriogenology. 1992;37(3):579-85doi: 10.1016/0093-691x(92)90138-h.
Senn, B. J., & Richardson, M. E. (1992). Seasonal effects on caprine response to synchronization of estrus and superovulatory treatment. Theriogenology, 37(3), 579-85. https://doi.org/10.1016/0093-691x(92)90138-h
Senn, B J, and Richardson, M E. "Seasonal effects on caprine response to synchronization of estrus and superovulatory treatment." Theriogenology vol. 37,3 (1992): 579-85. doi: https://doi.org/10.1016/0093-691x(92)90138-h
Senn BJ, Richardson ME. Seasonal effects on caprine response to synchronization of estrus and superovulatory treatment. Theriogenology. 1992 Mar;37(3):579-85. doi: 10.1016/0093-691x(92)90138-h. PMID: 16727060.
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Theriogenology. 1992 Mar;37(3):579-85. doi: 10.1016/0093-691x(92)90138-h.

Seasonal effects on caprine response to synchronization of estrus and superovulatory treatment.

Theriogenology

B J Senn, M E Richardson

Affiliations

  1. Department of Animal, Dairy and Veterinary Sciences Clemson University Clemson, SC 29634 USA.

PMID: 16727060 DOI: 10.1016/0093-691x(92)90138-h

Abstract

Nubian doelings (n = 21, 7 of which were repeats) were synchronized and superovulated with Norgestomet ear implants and follicle stimulating hormone-pituitary (FSH-p) and were then mated during early and late periods of their breeding season in the southeastern United States. A 100% response rate to estrus synchronization treatment was found in doelings (n = 15, 2 of which were repeats) treated early in the breeding season, and the superovulation regimen resulted in the surgical collection of an average of 15.1 viable embryos per doeling. But only a 66.7% response rate to estrus synchronization treatment was observed in doelings (n = 6, 5 of which were repeats) treated late in the season; only 50% of these doelings (or 33.3% of the initial doelings treated) responded to superovulatory treatment, resulting in an average of 3.33 viable embryos collected surgically per doeling. Thus, a significantly higher number of viable embryos can be obtained from Nubian doelings when treated for estrus synchronization and superovulation early in the breeding season.

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