BFF Bovine follicular fluid (BFF) collected from animals at the early follicular phase of the estrous cycle (medium size follicles, 4-7 mm diameter), filtered and lyophilized.
PFF Porcine follicular fluid (PFF) collected from animals at the early follicular phase of the estrous cycle (medium size follicles, 3-6 mm diameter), filtered and lyophilized.
