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KMID : 1005220090240010015
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Journal of Embryo Transfer
2009 Volume.24 No. 1 p.15 ~ p.19
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Gestation Lengths and Offspring’s Birth Weights and Sex Ratio of the Dairy Recipients Transferred with Hanwoo IVF Embryos
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Suk Sang-Hyun
Kwon Eun-Jeong
Kim Hye-Jin
Song Hai-Bum
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Abstract
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This study was carried out to collect the basic data about gestation lengths and offspring’s birth weights and sex ratio of the dairy recipients transferred with Hanwoo IVF embryos. Blastocysts cultured for days were transferred to 96 and 167 heads for the basic data about gestation length and offspring’s birth weight and sex ratio of the dairy recipients, respectively. The gestation lengths of the dairy recipients transferred with Hanwoo IVF embryos were () and () days in male and female of the offspring, respectively. The gestation lengths of the recipients were , , and days in spring, summer, autumn and winter of the calving season, respectively, and were significantly different among the calving season (p<0.05). The birth weights of male and female calves were () and ( kg in offsprings of the dairy recipients transferred with Hanwoo IVF embryos, respectively. The sex ratio was 90.7 in the offsprings of the dairy recipients transferred with Hanwoo IVF embryos.
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KEYWORD
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dairy recipients, IVF embryo, Hanwoo, gestation lengths, birth weights, sex ratio
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