A Case of Twin Delivery after a Single Embryo Transfer in Cattle

Kiyoshi Akiyama; Satoshi Kashiwagi; Yohzaburoh Satoh

doi:10.1274/jmor.12.139

Journal of Mammalian Ova Research

Online ISSN : 1347-5878
Print ISSN : 1341-7738
ISSN-L : 1341-7738

Brief Note (in Japanese with English Abstract)

A Case of Twin Delivery after a Single Embryo Transfer in Cattle

Kiyoshi Akiyama, Satoshi Kashiwagi, Yohzaburoh Satoh

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Keywords: Cattle, Identical twin, Embryo transfer

JOURNAL FREE ACCESS

1995 Volume 12 Issue 2 Pages 139-141

DOI https://doi.org/10.1274/jmor.12.139

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Abstract

Three expanded blastocysts were collected from the Japanese Black cow on the 7 day after insemination, and cryopreserved in LN₂. One of the frozen-thawed embryos contained two cell masses in the zona pellucida. The embryo was transfered to the recipient cow, and twin calves (females: birth weight, 13.0 kg, 14.0 kg) were born on the 261 day after transfer.

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