Influence of in vitro systems on embryo survival and fetal development in cattle
作者： P.W. Farin , A.E. Crosier , C.E. Farin
DOI: 10.1016/S0093-691X(00)00452-0
关键词: Andrology 、 Oocyte 、 Embryo transfer 、 Embryo 、 Fetus 、 Biology 、 Embryo culture 、 In vitro fertilisation 、 Immunology 、 Gestation 、 In vivo
摘要: In vitro systems are commonly used for the production of bovine embryos. Comparisons between in vivo and produced embryos illustrate that morphology preimplantation-stage differ significantly, survival fetuses is decreased, size distributions populations conceptuses altered throughout gestation, placental development significantly changed. Taken together these findings indicate exposure to some environments during first 7 days life can profoundly influence fetal cattle. An understanding how oocyte maturation, fertilization, embryo culture both should result consistently produce normal embryos, fetuses, calves.
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