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Ishibashi I, Fujimoto G, Hishii T. Effects of aminoglutethimide phosphate administration on the incidence of pregnancy and number of live fetuses in superovulated rats. Theriogenology. 1991;36(4):699-708doi: 10.1016/0093-691x(91)90407-5.
Ishibashi, I., Fujimoto, G., & Hishii, T. (1991). Effects of aminoglutethimide phosphate administration on the incidence of pregnancy and number of live fetuses in superovulated rats. Theriogenology, 36(4), 699-708. https://doi.org/10.1016/0093-691x(91)90407-5
Ishibashi, I, et al. "Effects of aminoglutethimide phosphate administration on the incidence of pregnancy and number of live fetuses in superovulated rats." Theriogenology vol. 36,4 (1991): 699-708. doi: https://doi.org/10.1016/0093-691x(91)90407-5
Ishibashi I, Fujimoto G, Hishii T. Effects of aminoglutethimide phosphate administration on the incidence of pregnancy and number of live fetuses in superovulated rats. Theriogenology. 1991 Oct;36(4):699-708. doi: 10.1016/0093-691x(91)90407-5. PMID: 16727039.
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Theriogenology. 1991 Oct;36(4):699-708. doi: 10.1016/0093-691x(91)90407-5.

Effects of aminoglutethimide phosphate administration on the incidence of pregnancy and number of live fetuses in superovulated rats.

Theriogenology

I Ishibashi, G Fujimoto, T Hishii

Affiliations

  1. School of Veterinary Medicine and Animal Sciences Kitasato University, Towada, Aomori 034, Japan.

PMID: 16727039 DOI: 10.1016/0093-691x(91)90407-5

Abstract

This study examined the effects of aminoglutethimide phosphate (AGP) administration on the incidence of pregnancy and number of live fetuses in superovulated rats. Immature (31- to 33-day-old) young (8- to 9-week-old) and (14- to 16-week-old) rats were treated with 20 or 40 IU of PMSG and the same dosses of hCG at 52 to 54 hour-intervals (GTH rats). One half of the GTH rats were injected with 10 mg AGP twice a day for the first 3 days of pregnancy (AGP rats). Pregnancy rates of all AGP rats (95 to 100%) were much higher than the GTH rats (12.7). Young and adult AGP rats treated with 20 IU of GTH had 14.7 and 15.3 live fetuses per dam, respectively. These numbers of live fetuses increased to 17.8 and 18.4 after treatment with 40 IU of GTH. These values were significantly greater than those of the control rats (12.3 to 12.8; P<0.01), but the fetal weights were lower. The results show that AGP administration improves pregnancy rates and the number of live fetuses in young and adult superovulated rats.

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