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Recovery and evaluation of embryos from normal and infertile mares






Cornell Veterinarian 76(4): 386-394

Recovery and evaluation of embryos from normal and infertile mares

To evaluate embryo transfer as a possible method to circumvent infertility in mares, embryos from 14 normal and 14 infertile mares were collected three times and examined. Fewer flushes (p less than 0.05) from normal than infertile mares (1/42 vs 9/42) contained only abnormal embryos whereas more flushes (p less than 0.05) from normal than infertile mares contained one or more normal embryos (28/42 vs 8/42). More flushes (p less than 0.05) from normal than infertile mares contained embryos (29/42 vs 17/42). The embryo diameters (mm) at either day-7 or day-8 post ovulation were greater (p less than 0.01) for normal than infertile mares (day 7: 07 +/- 0.08 vs 0.3 +/- 0.07; day 8: 1.1 +/- 0.18 vs 0.7 +/- 0.23). Six of the 10 (60%) flushes that contained only abnormal embryos were recovered from ares with positive uterine cultures or moderate to severe endometritis. The embryos recovered from normal mares were greater in quantity and better in quality.

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Accession: 006273819

PMID: 3757521



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