Using oocytes and embryos in ex-situ conservation of animal genetic resources (a review)
2012
Stančić Blagoje | Stančić Ivan | Jotanović Stoja | Šahinović Refik | Dragin Saša
In the last few decades, farm animal genetic diversity has been rapidly declining. Therefore, it is in the interest of the international community to conserve livestock genetics. The in situ (live animal herds) model of genome conservation is expensive and limited for practical use. As a result, ex situ (ex vivo) conservation models are developed to cryopreserve animal genetic resources in a genome (gene banks) to regenerate a particular population in the future. Although significant progress has been made in oocyte and embryo cryopreservation of several domestic species, to date, a standardised procedure has not been established. Successful long-term cryopreservation of oocytes and embryos would enable preservation of the genetic material of animals facing extinction and facilitate many assisted reproductive technologies. There is a biological, economical and moral imperative and interest of the international community to conserve the livestock genetics.
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