Table 2. Determination of optimal concentration of resveratrol (RSV) for semen cryopreservation.

Groups	Motility (%)	Progress motility (%)	VCL (µm/sec)	VAP (µm/sec)	VSL (µm/sec)	Straightness (%)	Linearity (%)	ALH (µm)
Control	38.7 ± 3.1 bc	15.7 ± 1.8 b	61.4 ± 3.9 ab	43.8 ± 4.0 a	39.6 ± 3.9 b	74.3 ± 2.4 b	51.2 ± 3.3 b	2.3 ± 0.1 a
100 µM RSV	41.6 ± 2.1 b	14.1 ± 1.6 b	54.1 ± 3.1 bc	36.2 ± 3.3 c	31.1 ± 3.4 c	70.0 ± 2.5 c	46.9 ± 2.8 c	2.2 ± 0.0 b
200 µM RSV	50.4 ± 1.4 a	19.8 ± 1.3 a	58.5 ± 2.7 b	43.5 ± 2.6 b	41.5 ± 2.9 a	76.3 ± 1.3 a	55.9 ± 1.3 a	2.1 ± 0.0 bc
400 µM RSV	37.4 ± 3.4 c	10.7 ± 1.7 c	51.7 ± 3.0 c	35.0 ± 3.0 c	29.7 ± 3.1 c	67.9 ± 3.3 c	46.0 ± 3.4 c	2.0 ± 0.0 c

Curvilinear velocity (VCL), average path velocity (VAP), straight-line velocity (VSL), amplitude of lateral head displacement (ALH). ^a–c Values with different lowercase superscripts letters in a column differ significantly (P<0.05, n=3).