Collection and transfer of equine embryos.

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Imel KJ, Squires EL, Elsden RP, Shideler RK

Collection and transfer of equine embryos.

J Am Vet Med Assoc. 1981 Nov 15;179(10):987-91.

PubMed ID
7341563 [ View in PubMed
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Abstract

Embryos were recovered in 39 of 47 attempts (83%) during 1979 and in 75 of 104 attempts (72%) during 1980. The mean diameters of day 8 and 9 blastocysts were 1.00 and 2.13 mm, respectively. The injection of prostaglandin F2 alpha or prostalene on day 8 or 9 after ovulation resulted in a mean interval between embryo recovery attempts of 17.7 +/- 0.3 days. Number of embryos recovered within mares did not vary significantly with repeated attempts. Following surgical transfer, 8 of 15 recipients (53%) were pregnant at 50 days after ovulation, whereas only 4 of 15 recipients (27%) were pregnant at 50 days following nonsurgical embryo transfer.

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