Table 2.

Examples of mammalian species for which oocyte cryopreservation has been conducted.

Species	Method	Reference
Bovine	Vitrification	Fuku et al. (1992), Hamano et al. (1992), Hurtt et al. (2000), Chian et al. (2004), Vieira et al. (2008), Nakayama et al. (2020)
Equine	Slow freezing	Otoi et al. (1995), Suzuki et al. (1996)
	Vitrification	Hurtt et al. (2000), Maclellan et al. (2002), Ortiz-Escribano et al. (2018), Clérico et al. (2021)
Ovine/caprine	Slow freezing	Bhat et al. (2014)
	Vitrification	Purohit et al. (2012), Moawad et al. (2013), Bhat et al. (2014), Quan et al. (2016)
Porcine	Slow freezing	Yang et al. (2012)
	Vitrification	Vallorani et al. (2012), Appeltant et al. (2017), Jia et al. (2019), López et al. (2021)
Canine
Domestic	Vitrification	Abe et al. (2010), Turathum et al. (2010)
Mexican grey wolf (Canis lupus baileyi)	Vitrification	Boutelle et al. (2011)
Blue fox (Alopex lagopus) farmed	Vitrification	Zhou et al. (2009)
Feline
Domestic	Slow freezing	Luvoni and Pellizzari (2000)
	Vitrification	Fernandez-Gonzalez and Jewgenow (2017), Nowak et al. (2020), Sowińska et al. (2020), Fernandez-Gonzalez et al. (2021)
Non-human primate
Lowland gorilla (Gorilla gorilla gorilla)	Slow freezing	Lanzendorf et al. (1992)
Macaque (Macaca mulatta)	Slow and rapid freezing	Vandevoort et al. (2008)