한국수정란이식학회지 (Journal of Embryo Transfer)

  • 제32권3호
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  • Pages.153-157
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  • 2017
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  • 2508-755X(pISSN)
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  • 2288-0178(eISSN)
한국수정란이식학회 (The Korean Society of Embryo Transfer)
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한우 인공수정에서 수정적기 진단키트 활용이 수태율에 미치는 영향

Effects of Optimal Heat Detection Kit on Fertility after Artificial Insemination (AI) in Hanwoo (Korean Native cattle)

  • 최선호 (농촌진흥청 국립축산과학원) ;
  • 진현주 (농촌진흥청 국립축산과학원)
  • 투고 : 2017.03.16
  • 심사 : 2017.09.12
  • 발행 : 2017.09.30
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초록

This study was conducted to investigate the optimal artificial insemination (AI) time with diagnostic kit at ovulation time. We already applied the patent about the protein in the cow heat mucose in external reproductive tract. And we would examine the accuracy for detection of cow heat by the kit produced with the protein. Evaluation of optimal heat detection was tried two time at 12 hrs and 24 hrs after the heat. And then, AI service also performed two times with no relation to the results of heat diagnosis by heat detection kit and pregnancy rates were checked with rectal palpation on $60^{th}$ day after AI. Heat diagnostic results by kit in natural heat after 12 hrs in Hanwoo cows were showed 31.3~75.0% on positive in first heat detection and 33.3~100.0% on positve in second heat detection. In the $1^{st}$ positive results were significant different (p<0.05), but $2^{nd}$ positive were not. The results of heat detection showed different result on regional influence and individual cow effects. The pregnancy rates of first trial of heat detection were showed 34.4~78.7% on positive and 21.3~68.8% on negative after the diagnosis by heat detection kit. And the pregnancy rates of next trial of heat detection were showed 33.3~85.7% on positive and 14.3~66.6% on negative after the heat diagnosis. Both positive results of first trial and next trial also were showed significant different (p<0.05), but negative results were not. In positive result, first trial of total pregnancy rates was higher than the next trial of pregnancy, but there showed opposite results on negative results. In conclusion, the optimal heat detection kit is suitable to ordinary Hanwoo cows and it suggested that we have to improve the kit's accuracy by detecting the materials like proteins related optimal AI time.

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참고문헌

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