Frozen storage of embryos of farm animals: progress and implications.
D000818:Animals; D002417:Cattle; D003451:Cryoprotective Agents; D004622:Embryo, Mammalian / Q000166:cytology / Q000502:physiology; D047108:Embryonic Development; D005260:Female; D005306:Fertilization; D005615:Freezing; D006041:Goats; D006358:Hot Temperature; D010060:Ovulation; D011247:Pregnancy; D011309:Preservation, Biological / Q000379:methods*; D012756:Sheep; D013480:Superovulation
D003451:Cryoprotective Agents