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Differences in hormone levels around parturition in Hanwoo cattle (Bos taurus coreanae) following artificial insemination and embryo transfer

BACKGROUND: With unique genetic traits, Hanwoo cattle (Bos taurus coreanae) are well‐adapted to the Korean environment. However, their perinatal mortality rate is 2%–3%, which imposes an economic burden. OBJECTIVE: Due to insufficient data on hormonal changes around parturition, the timing of partur...

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Autores principales: Yi, Junkoo, Yum, Soo‐Young, Kim, Daehyun, Han, Sera, Ha, Jaejung, Kim, Jisu, Jung, Daejin, Jang, Goo, Lee, Wonyou, Moon, Joonho
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9122465/
https://www.ncbi.nlm.nih.gov/pubmed/35193169
http://dx.doi.org/10.1002/vms3.777
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author Yi, Junkoo
Yum, Soo‐Young
Kim, Daehyun
Han, Sera
Ha, Jaejung
Kim, Jisu
Jung, Daejin
Jang, Goo
Lee, Wonyou
Moon, Joonho
author_facet Yi, Junkoo
Yum, Soo‐Young
Kim, Daehyun
Han, Sera
Ha, Jaejung
Kim, Jisu
Jung, Daejin
Jang, Goo
Lee, Wonyou
Moon, Joonho
author_sort Yi, Junkoo
collection PubMed
description BACKGROUND: With unique genetic traits, Hanwoo cattle (Bos taurus coreanae) are well‐adapted to the Korean environment. However, their perinatal mortality rate is 2%–3%, which imposes an economic burden. OBJECTIVE: Due to insufficient data on hormonal changes around parturition, the timing of parturition is often predicted subjectively; few studies have examined hormones in Hanwoo cattle. We measured the changes in various hormones around parturition, to seek an objective predictor of parturition time. METHODS: In 14 female Hanwoo cattle, we measured progesterone, prolactin and cortisol concentrations daily in jugular vein blood samples, beginning 6 days before parturition until 7 days after parturition. Conception was induced in five animals using artificial insemination. Nine animals received embryo transfer. RESULTS: During parturition, the concentration of progesterone decreased significantly in the embryo transfer group (n = 9) and in the total population (n = 14); it did not change significantly in the artificial insemination group (n = 5). Prolactin concentration increased on the day of parturition but did not differ significantly among the groups. Cortisol remained constant throughout the study course. CONCLUSION: We concluded that parturition time can be predicted in Hanwoo cattle using progesterone concentration. This knowledge can reduce perinatal mortality, which would help to improve farm income and animal welfare.
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spelling pubmed-91224652022-05-21 Differences in hormone levels around parturition in Hanwoo cattle (Bos taurus coreanae) following artificial insemination and embryo transfer Yi, Junkoo Yum, Soo‐Young Kim, Daehyun Han, Sera Ha, Jaejung Kim, Jisu Jung, Daejin Jang, Goo Lee, Wonyou Moon, Joonho Vet Med Sci RUMINANTS BACKGROUND: With unique genetic traits, Hanwoo cattle (Bos taurus coreanae) are well‐adapted to the Korean environment. However, their perinatal mortality rate is 2%–3%, which imposes an economic burden. OBJECTIVE: Due to insufficient data on hormonal changes around parturition, the timing of parturition is often predicted subjectively; few studies have examined hormones in Hanwoo cattle. We measured the changes in various hormones around parturition, to seek an objective predictor of parturition time. METHODS: In 14 female Hanwoo cattle, we measured progesterone, prolactin and cortisol concentrations daily in jugular vein blood samples, beginning 6 days before parturition until 7 days after parturition. Conception was induced in five animals using artificial insemination. Nine animals received embryo transfer. RESULTS: During parturition, the concentration of progesterone decreased significantly in the embryo transfer group (n = 9) and in the total population (n = 14); it did not change significantly in the artificial insemination group (n = 5). Prolactin concentration increased on the day of parturition but did not differ significantly among the groups. Cortisol remained constant throughout the study course. CONCLUSION: We concluded that parturition time can be predicted in Hanwoo cattle using progesterone concentration. This knowledge can reduce perinatal mortality, which would help to improve farm income and animal welfare. John Wiley and Sons Inc. 2022-02-22 /pmc/articles/PMC9122465/ /pubmed/35193169 http://dx.doi.org/10.1002/vms3.777 Text en © 2022 The Authors. Veterinary Medicine and Science published by John Wiley & Sons Ltd. https://creativecommons.org/licenses/by-nc/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ (https://creativecommons.org/licenses/by-nc/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
spellingShingle RUMINANTS
Yi, Junkoo
Yum, Soo‐Young
Kim, Daehyun
Han, Sera
Ha, Jaejung
Kim, Jisu
Jung, Daejin
Jang, Goo
Lee, Wonyou
Moon, Joonho
Differences in hormone levels around parturition in Hanwoo cattle (Bos taurus coreanae) following artificial insemination and embryo transfer
title Differences in hormone levels around parturition in Hanwoo cattle (Bos taurus coreanae) following artificial insemination and embryo transfer
title_full Differences in hormone levels around parturition in Hanwoo cattle (Bos taurus coreanae) following artificial insemination and embryo transfer
title_fullStr Differences in hormone levels around parturition in Hanwoo cattle (Bos taurus coreanae) following artificial insemination and embryo transfer
title_full_unstemmed Differences in hormone levels around parturition in Hanwoo cattle (Bos taurus coreanae) following artificial insemination and embryo transfer
title_short Differences in hormone levels around parturition in Hanwoo cattle (Bos taurus coreanae) following artificial insemination and embryo transfer
title_sort differences in hormone levels around parturition in hanwoo cattle (bos taurus coreanae) following artificial insemination and embryo transfer
topic RUMINANTS
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9122465/
https://www.ncbi.nlm.nih.gov/pubmed/35193169
http://dx.doi.org/10.1002/vms3.777
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