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KMID : 1005220080230030155
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Journal of Embryo Transfer
2008 Volume.23 No. 3 p.155 ~ p.160
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Establishment of a Prediction Table of Parturition Day with Ultrasonography in Small Pet Dogs
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Oh Ki-Seok
Kim Bang-Sil
Park Sang-Guk
Park Chul-Ho
Kim Jae-Hong
Mun Byeong-Gwon
Kim Hee-Su
Lee Ju-Hwan
Park In-Chul
Kim Jong-Taek
Suh Guk-Hyun
Son Chang-Ho
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Abstract
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Serial ultrasonographic examinations were performed to establish a prediction table of parturition date in pregnant Maltese, Yorkshire Terrier, Shih-tzu and Miniature Schnauzer bitches. The inner chorionic cavity diameter and fetal head diameter in 45 pregnant bitches were converted retrospectively based on the day of parturition. The data of inner chorionic cavity diameter obtained from Day-44 to Day-25 and fetal head diameter obtained from Day-25 to Day-1 were used to compile a equations of prediction of parturition date. The 70 pregnant bitches with unknown mating time were examined to assess an accuracy of the equations established in this study. And these results were applied to the prediction of parturition date and compared to actual parturition date. The accuracy for parturition date within 0, ±1, and ±2 days interval using the equations of prediction of parturition date were 64.3%, 22.8% and 12.8%, respectively. The overall accuracy of prediction table of parturition day based on the ICCD and HD was 100% accurate within ±2 days. Therefore, the prediction table seems to be a useful tool of the prediction of parturition day in practice.
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KEYWORD
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parturition date, inner chorionic cavity diameter, head diameter, ultrasonography
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