The micro-RNA content of unsorted cryopreserved bovine sperm and its relation to the fertility of sperm after sex-sorting

Table 1 Sperm quality traits in relation to bull fertility group

	LF				HF
	N	Mean ± SD	Min	Max	n	Mean ± SD	Min	Max
Progressive motility (%)	28	36.21 ± 13.33	9.50	66.60	32	37.82 ± 7.95	19.50	58.60
PMAI sperm (%)	28	45.96 ± 8.63	20.66	58.98	32	48.98 ± 8.75	26.52	63.67
C_posPI_negPNA_negF_negM_pos sperm (%)	28	31.12 ± 6.66	17.19	45.54	32	35.08 ± 8.19	19.27	55.19
Mean DFI	28	201.91 ± 3.50	198.53	214.29	32	201.02 ± 5.99	179.30	214.94
SD of DFI	28	33.52 ± 11.60	20.53	73.77	32	36.65 ± 9.91	20.95	65.63
%DFI (%)	28	4.01 ± 1.59	2.05	8.65	32	4.57 ± 2.21	2.04	10.14

LF low-fertility group, HF high-fertility group; n, number of ejaculates, PMAI percentage of sperm with intact plasma membrane and unstained acrosome, C_posPI_negPNA_negF_negM_pos percentage of sperm with high esterase activity, intact plasma membrane, unstained acrosome, low intracellular Ca²⁺ levels and high mitochondrial membrane potential, DFI DNA fragmentation index, SD standard deviation, %DFI percentage of sperm with high DNA fragmentation-index

ISSN: 1471-2164