Table 1.

Sperm motility and DNA damage in normozoospermic semen samples (n=10) cryopreserved after adding different concentration of zinc to liquefied semen samples

Concentration of zinc sulphate (μM)	Percentage Motility (Mean±SEM)		Sperm with intact DNA (%) (Mean±SEM)
	Total motility	Progressive motility
0	46.7±2.20	29.7±1.86	22.00±5.41
10	49.4±1.76	29.0±1.81	26.32±2.96
50	52.6±1.83	32.2±1.28	32.00±6.40
100	57.0±1.89 b	38.2±1.70a c	40.67±3.04
250	55.0±1.83	36.5±1.67	31.17±7.56
500	48.8±1.84	29.5±1.87d	29.83±6.55
1000	47.3±2.13	27.6±2.10e	26.83±8.45

^ap<0.05, ^bp<0.01 v/s Control; ^cp<0.01 v/s 10 μM; ^dp<0.05 v/s 100 μM; ^ep<0.01 v/s 100 μM