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Preservation of porcine in vivo-derived morulae. (A) Representative images showing morulae at 0 h and 72 h of storage in medium containing 4% BSA at 20 °C or after 48 h upon conventional culture (NCSU-23 culture medium supplemented with 0.4% BSA and 10% FCS at 38.5 °C in humidified air with 5% CO2). (B) Representative images showing morulae at 0 h and 48 h of conventional culture (controls). Scale bar is 100 µm.
