Table 1
Cleavage and blastocyst rates of oocytes from Nelore (N) and crossbred (CB) cows, fertilized with semen from Nelore (N) or
Angus (A) bulls and maintained at 39 ◦C or subjected to a heat shock of 41 ◦C for 12 h at 12, 48 and 96 h post-insemination