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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Georg August Univ Goettingen, Dept Anim Sci, Albrecht Thaer Weg 3, D-37075 Gottingen, GermanyGeorg August Univ Goettingen, Dept Anim Sci, Albrecht Thaer Weg 3, D-37075 Gottingen, Germany
Garza, D.
Camacho, M.
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Georg August Univ Goettingen, Dept Anim Sci, Albrecht Thaer Weg 3, D-37075 Gottingen, GermanyGeorg August Univ Goettingen, Dept Anim Sci, Albrecht Thaer Weg 3, D-37075 Gottingen, Germany
Camacho, M.
Gauly, M.
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Free Univ Bolzano, Fac Sci & Technol, Univ Pl 5, I-39100 Bolzano, ItalyGeorg August Univ Goettingen, Dept Anim Sci, Albrecht Thaer Weg 3, D-37075 Gottingen, Germany
Gauly, M.
Holtz, W.
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Georg August Univ Goettingen, Dept Anim Sci, Albrecht Thaer Weg 3, D-37075 Gottingen, GermanyGeorg August Univ Goettingen, Dept Anim Sci, Albrecht Thaer Weg 3, D-37075 Gottingen, Germany