Table 2. CNP addition effect on sperms individual motility percentage of ram sperms during three days of cooling preservation.

Group	Value (%)	p-value
Control-0h	59.55 ± 1.96 B	0.013
CNP-0h	75.845 ± 1.43 A
Control-24h	35.82 ± 1.82 C
CNP-24h	53.66 ± 2.34 B
Control-48h	21.933 ± 1.63 D
CNP-48h	27.89 ± 2.46 D
Control-72h	5.76 ± 0.73 E
CNP-72h	2.545 ± 0.35 E

Different vertical large letters refer to significant variation at p < 0.05.