Table 2

	Group 1 (Control)	Group 2 (24 hours)	Group 3 (48 hours)	Group 4 (72 hours)	Group 5 (96 hours)
Table 2. Mean (± standard error), percentage of I, II, III e IV classes with 3,3’-diaminobenzida staining, for spermatozoa mitochondrial activity of control and tested samples
Class I	58.8 (±3.12)^a	45.85 (±2.47)^b	44.50 (±2.23)^b,c	42.75 (±2.27)^b,c	35.00 (±2.36)^c
Class II	17.95 (±1.98)	21.60 (±2.18)	20.25 (±1.95)	20.00 (±1.86)	23.00 (±1.94)
Class III	12.70(±1.14)	18.95 (±1.16)	15.75 (±1.14)	16.75 (±1.11)	13.00 (±1.23)
Class IV	10.55 (±1.57)^a	13.60 (±1.24)^a	19.50 (±1.19)^b	20.50 (±1.45)^b,c	29.00 (±1.43)^c
Different letters in same row differ. p<0.05.