We describe the procedures for isolation of growing oocytes from ovarian follicles at early stages of development, as well as the setup of an in vitro culture system which can support the growth and differentiation up to the fully-grown stage.
Barros, R. G., Lodde, V., Franciosi, F., Luciano, A. M. In Vitro Culture Strategy for Oocytes from Early Antral Follicle in Cattle. J. Vis. Exp. (161), e61625, doi:10.3791/61625 (2020).