“…Donor cows of group A were superovulated using Folltropin (National Institutes of Health, USA) with a total dose of 300mg (group A1; low dose) and 400mg (group A2; high dose). Folltropin was injected IM as decreasing doses; 40%, 30%, 20% and 10% of the total dose twice daily for 4 days (60,60,45,45,30,30,15 and 15mg for group A1; and 80, 80, 60, 60, 40, 40, 20 and 20mg for group A2). The schedule of superovulatory hormone injections of the other two groups (B and C) were applied as group A, but using Fostimon (Laboratoires Genevrier S. A., France) for group B, and Menogon (Ferring Pharmaceuticals Ltd. GmbH, Germany) for group C. A total dose of 600IU as low dose (120, 120, 90, 90, 60, 60, 30 and 30 IU for groups B1 and C1) and 900 IU as high dose (180, 180, 135, 135, 90, 90, 45 and 45IU for groups B2 and C2).…”