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KMID : 1094020200370060305
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Journal of Veterinary Clinics
2020 Volume.37 No. 6 p.305 ~ p.310
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Prediction of Parturition Day by Determination of Plasma Progesterone Concentrations in Companion Bitches 2. To Confirm the Accuracy of the Prediction of Parturition Day
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Lee Ju-Hwan
Son Chang-Ho
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Abstract
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To confirm the accuracy of the prediction of parturition day, the actual parturition days were compared with each day of the prediction of parturition day (n = 80). The accuracy of the prediction of parturition day was 80.0% (64/80) with a precision of ± 2 days from the first day of estrus after the first vaginal discharge, 97.5% (78/80) from the day when plasma progesterone concentrations increase above 4.0 ng/ml, and 72.5% (58/80) from the first day of diestrus, respectively. The accuracy of the prediction of parturition day by plasma progesterone concentration was higher than that by the first day of estrus and diestrus after the first vaginal discharge. These results indicated that the determination of plasma progesterone concentrations at estrus were a useful method for estimating of parturition day and for the reproductive management in pregnant bitches.
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KEYWORD
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progesterone, parturition day, bitch
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