Korean Journal of Veterinary Research (대한수의학회지)
- Volume 36 Issue 1
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- Pages.247-254
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- 1996
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- 2466-1384(pISSN)
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- 2466-1392(eISSN)
Ultrasonographic appearance of the gestational structures throughout accurately timed pregnancy in Korea Jin-do dogs II. Estimation of gestational age by measurement of the fetal and extra-fetal structures
진도개에서 임신일령에 따른 임신구조물의 초음파상 II. 태아 및 태아외구조물의 측정에 의한 임신일령의 추정
- Son, Chang-ho (College of Veterinary Medicine, Chonnam National University) ;
- Shin, Chang-rok (College of Veterinary Medicine, Chonnam National University) ;
- Kang, Byong-kyu (College of Veterinary Medicine, Chonnam National University) ;
- Choi, Han-sun (College of Veterinary Medicine, Chonnam National University)
- Received : 1995.08.25
- Published : 1996.03.25
Abstract
Serial ultrasonographic examinations were performed on 9 pregnant Korea Jin-do dog from days 15 to 60 to determine the size of gestational structures throughout pregnancy. Gestational age was timed from the day of ovulation (Day 0), which was estimated to occur when plasma progesterone concentration was first increased above 4.0 ng/ml. Extra-fetal structures were measureable from days 17 to 49. Outer uterine diameter increased from