Effect of Addition of Melatonin on the Liquid Storage (5°C) of Mithun (Bos frontalis) Semen

Table 4

Mean (±S.E.) Acrosomal Integrity (%) in semen of mithun for different storage times at 5°C.

Additives	Storage Period
	0 h	6 h	12 h	24 h	30 h
Control	74.69 ± 1.60^a	67.43 ± 1.90^a	55.91 ± 1.52^a	44.49 ± 1.67^b	36.73 ± 1.92^a
MT 1 mM	76.16 ± 1.53^a	69.82 ± 1.91^ab	59.02 ± 1.52^a	47.27 ± 1.73^b	40.19 ± 1.18^b
MT 2 mM	79.18 ± 1.30^b	75.95 ± 1.64^c	67.55 ± 1.50^b	57.99 ± 1.85^c	44.82 ± 1.33^c
MT 3 mM	81.26 ± 1.25^b	78.22 ± 1.32^c	75.52 ± 1.00^c	58.50 ± 1.70^c	48.12 ± 1.66^d
MT 4 mM	75.65 ± 1.76^a	71.45 ± 1.65^b	57.96 ± 1.88^a	39.97 ± 1.61^a	36.70 ± 1.48^a

Within columns means with different letters (a, b, c, d) differ significantly (P < 0.05).