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KMID : 1005220070220040209
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Journal of Embryo Transfer
2007 Volume.22 No. 4 p.209 ~ p.212
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Transrectal Ultrasound Scanning for Detecting the Early Pregnancy in Korean Black Goats
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Shin H.G.
Choi Y.S.
Jang S.K.
Yang H.S.
Lee O.K.
Lee D.S.
Cho J.K.
Shin S.T.
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Abstract
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This study was performed to establish the early pregnancy diagnosis with evaluation of size of embryonic vesicles and change of crown-rump length (CRL) by transrectal ultrasonography in the Korean black goats. Early pregnancy diagnosis was performed in the 114 goats from 19 to 35 days after coitus by transrectal 5.0 MHz transducer. Embryonic vesicles and CRL in the 142 goats from 19 to 42 days was measured to establish the correlation between gestational age and these parameters. The early pregnancy diagnosis achieved 80% accuracy after days 25 and 100% accuracy after days 28 after breeding. Diameters of embryonic vesicle and CRL were significantly increased with the gestational age. In these facts, early pregnancy diagnosis is possible on Days 25 after breeding and measurement of embryonic vesicles and CRL were useful to predict the gestational age in Korean black goat.
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KEYWORD
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Korean black goat, pregnancy diagnosis, transrectal ultrasonography
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