Sperm chromatin condensation as an in vivo fertility biomarker in bulls: a flow cytometry approach

Table 1 Mean and standard deviations (SD) for each studied parameter and for subfertile (n = 13) and fertile (n = 12) groups

Sperm parameter at 0 h after thawing	Subfertility group	High fertility group	P-value
Total Fertility, % non-return to oestrus rate after 90 days	37.84 ± 1.43	40.85 ± 1.20	< 0.001 *
Normal morphology, %	89.20 ± 3.31	89.36 ± 3.07	0.900
Viability, %	50.02 ± 9.42	54.07 ± 10.79	0.327
Total motility, %	42.25 ± 15.37	51.24 ± 13.32	0.133
Progressive motility, %	24.20 ± 8.81	31.37 ± 8.66	0.052
Viable CMA3⁺ sperm, %	2.46 ± 1.50	4.32 ± 2.33	0.025 *
Total CMA3⁺ sperm, %	12.06 ± 4.73	20.66 ± 10.63	0.021 *
Viable CMA3⁺ sperm, FI	896.16 ± 29.14	915.08 ± 28.35	0.114
Total CMA3⁺ sperm, FI	971.20 ± 35.62	1,029.43 ± 71.85	0.022 *

ISSN: 2049-1891