. 2021 May 7;8:650572. doi: 10.3389/fvets.2021.650572

Table 5.

Spearman's rank correlation coefficient (Spearman's ρ) between some analyzed sperm parameters and the reproductive results obtained after artificial insemination, considering overall data and data separated by season or farm distance to the semen collection point.

	Parameter	Fertility	Fecundity	Prolificacy
Overall data	IM non-capacitated (IM-NC) spermatozoa (%)	0.147^**	0.143^**	n.s
In B season	IM non-capacitated (IM-NC) spermatozoa (%)	0.122^†	n.s.	n.s.
	Oxygen consumption (fmol O₂·mL⁻¹·min⁻¹ per million cells)	0.245^*	0.346^**	0.212^*
	NP sperm with high ΔΨm (YO-PRO-1-/MitoT+) (%)	0.246^*	0.291^*	n.s.
	IM sperm without active caspases (FITC-VAD-/Eth-) (%)	n.s.	0.163^*	n.s.
In NB season	IM non-capacitated (IM-NC) spermatozoa (%)	0.180^*	0.232^**	0.191^*
Distance <50 km	IM non-capacitated (IM-NC) spermatozoa (%)	n.s.	n.s.	n.s
Distance 50–100 km	IM non-capacitated (IM-NC) spermatozoa (%)	0.195^*	0.176^†	n.s.
Distance >100 km	IM non-capacitated (IM-NC) spermatozoa (%)	0.158^*	0.188^*	0.146^†
	DNA-intact spermatozoa (TUNEL-) (%)	0.144^†	n.s.	n.s.

n.s, non significant;

^†

P < 0.1;

P < 0.05; and

^**

P < 0.01. B, breeding; NB, non-breeding; IM, Intact membrane; NP, non permeant membrane.