Mare EPF was detected in the final purified fraction and had a molecular weight of 25.8 kDa. EPF in the mare is similar to that obtained from the serum of pregnant cows.
Mare EPF was detected in the final purified fraction and had a molecular weight of 25.8 kDa. EPF in the mare is similar to that obtained from the serum of pregnant cows.
The data suggest that an EPF-like substance(s) may be secreted from the in vitro fertilized bovine ovum but not from the cumulus cell, and that the EPF in the pregnant serum may accelerate the development of the bovine embryo in IVF.
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