Different thermotolerances in in vitro‐produced embryos derived from different maternal and paternal genetic backgrounds

The present study evaluated the effects of genetic backgrounds on the developmental competence and thermotolerance of bovine in vitro‐produced (IVP) embryos. First, Holstein (Hol) and Japanese Black (JB) oocytes were fertilized with sperm from Hol, JB and a thermotolerant breed (Brahman), and in vit...

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Bibliographic Details
Published in:Animal science journal 2017-12, Vol.88 (12), p.1934-1942
Main Authors: Sakatani, Miki, Yamanaka, Kenichi, Balboula, Ahmed Zaky, Takahashi, Masashi
Format: Article
Language:English
Subjects:
Animals
Blastocyst
Cattle
Embryo, Mammalian - physiology
Embryonic Development - genetics
Fertilization in Vitro
Genetic Association Studies - veterinary
Genetic Background
genetic backgrounds
Heat-Shock Response - physiology
Hot Temperature
in vitro‐produced embryos
Male
Oocytes
Spermatozoa
thermotolerance
Thermotolerance - genetics
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Summary:The present study evaluated the effects of genetic backgrounds on the developmental competence and thermotolerance of bovine in vitro‐produced (IVP) embryos. First, Holstein (Hol) and Japanese Black (JB) oocytes were fertilized with sperm from Hol, JB and a thermotolerant breed (Brahman), and in vitro development was evaluated when the embryos were exposed to heat shock on Day 2 (Day 0 = day of fertilization). Sperm genetic backgrounds affected the developmental competence in controls (P 
ISSN:1344-3941
1740-0929
DOI:10.1111/asj.12875