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No peri- and postnatal effects on calves born after transfer of in vitro produced embryos vitrified by the open pulled straw (OPS) method
被引:4
|作者:
Jacobsen, H
Holm, P
Schmidt, M
Avery, B
Greve, T
Callesen, H
机构:
[1] Royal Vet & Agr Univ, Dept Clin Studies, DK-1870 Frederiksberg C, Denmark
[2] Danish Inst Agr Sci, Dept Anim Breeding & Genet, Tjele, Denmark
[3] Danish Vet & Food Adm, Inst Food Safety & Nutr, Morkhoj, Denmark
关键词:
IVP calves;
OPS vitrification;
long-term studies;
disease susceptibility;
growth rates;
reproductive status;
D O I:
10.1186/1751-0147-44-87
中图分类号:
S85 [动物医学(兽医学)];
学科分类号:
0906 ;
摘要:
The general objective of this study was to perform follow-up studies including selected peri- and postnatal characteristics on calves born after transfer of in vitro produced (IVP) embryos vitrified by the 'Open Pulled Straw' (OPS) method. An overall pregnancy rate of 16% after transfer of the OPS-vitrified IVP embryos was achieved and resulted in birth of 9 calves, with 11 AI calves serving as controls. There were no immediate or long-term effects on these calves with respect to birth weight, gestation length, perinatal mortality, growth rate, disease susceptibility and reproductive performance.
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页码:87 / 95
页数:9
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