pH values (30 minutes, 24 and 48 hours after slaughter) of the 42 and 50 days old Cobb, Ross and Hubbard
broilers breasts are presented in Table 1. Also, the effect of breed line and age, as well as their interaction on pH are
presented in the same table. Average pH values after 15 minutes, 24 and 48 hours were not different regardless of
breed line, but significant differences (p < 0.001) were determined between broiler ages. Lower pH values were
found in older broilers. Interactions between breed line and age were detected for all pH values, except for pH after
24 hours.