Abstract
The results of cytogenetic studies in pre- and postimplantation pig embryos have been compared with results from sheep and cattle, experimental rodents such as mouse, Chinese hamster and rabbit, and with man. It can be concluded that of the categories of chromosome mutants that are mostly of concern for embryonic death, aneuploidy and polyploidy, man has the highest incidence of both. For the other species, levels of both types of abnormalities generally are low with the exception of aneuploidy for sheep embryos and possibly polyploidy for certain aspects of pig reproduction (delayed fertilization). Assessments of the contribution of chromosome abnormalities to embryonic death are 30% for the mouse, which generally has a low level of embryonic death, ≈50% in man with a high level and “low” for the pig with likewise a high level of embryonic death.
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© 1986 ECSC, EEC, EAEC, Brussels-Luxembourg
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de Boer, P., van der Hoeven, F.A., Cuijpers, M.P. (1986). Genetic Constitution of Early Stage Pig Embryos and Embryo Mortality. In: Sreenan, J.M., Diskin, M.G. (eds) Embryonic Mortality in Farm Animals. Current Topics in Veterinary Medicine and Animal Science, vol 34. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5038-2_17
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DOI: https://doi.org/10.1007/978-94-009-5038-2_17
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