No peri- and postnatal effects on calves born after transfer of in vitro produced embryos vitrified by the open pulled straw (OPS) method

H. Jacobsen, P. Holm, M. Schmidt, B. Avery, T. Greve, H. Callesen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

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.
Original languageEnglish
JournalActa Veterinaria Scandinavica
Volume44
Issue number1-2
Pages (from-to)87-95
ISSN0044-605X
DOIs
Publication statusPublished - 2003

Keywords

  • growth rates
  • long-term studies
  • reproductive status
  • disease susceptibility
  • IVP calves
  • OPS vitrification

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