Ultrasonic Measurement of Fetal Parameters for Estimation of Gestational Age in Korean Black Goats

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  • LEE Youngwon
    College of Veterinary Medicine, Chungnam National University
  • LEE Okken
    College of Veterinary Medicine, Chungnam National University
  • CHO Jongki
    College of Veterinary Medicine, Chungnam National University
  • SHIN Hyunguk
    College of Veterinary Medicine, Chungnam National University
  • CHOI Yoonsuk
    College of Veterinary Medicine, Chungnam National University
  • SHIM Yonghee
    College of Veterinary Medicine, Chungnam National University
  • CHOI Wonil
    College of Veterinary Medicine, Chungnam National University
  • SHIN Heejae
    College of Veterinary Medicine, Chungnam National University
  • LEE Doosoo
    Hanmi Pharmaceutical Company
  • LEE Gwansun
    Hanmi Pharmaceutical Company
  • SHIN Sangtae
    College of Veterinary Medicine, Chungnam National University

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  • 韓国在来ヤギにおける妊娠日数評価のための胎子側因子の超音波測定

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Abstract

The objective of this study was to determine relationship of gestational age with measurement of diameter of head, orbit, trunk, long and short axis of heart, aorta, placentome, umbilical cord and umbilical vein in Korean black goats. In this study, ten pregnant Korean black goats (Capra hircus aegagrus) were used. Pregnancy diagnosis was performed with a 5 MHz linear transducer and ultrasonographic scan were performed at 60, 75, 90, 105, 120 and 135 days after mating with a 4-9 MHz convex transducer. For accurate measurement, all fetal organs were measured at least 3 times. The diameter of head, orbit, trunk, long and short axis of heart, aorta, placentome, umbilical cord and umbilical vein were significantly increased with the gestational age (p<0.05). Of these parameters, trunk (r=0.8876; p<0.001), long axis of heart (r=0.9168; p<0.001) and short axis of heart (r=0.8819; p<0.001) proved to be the more effective measurements than other parameters, as it correlated well with gestational age. Results indicate that ultrasonic measurements of these parameters were useful methods to estimate gestational age in Korean black goat.<br>

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