Table 2.

Sperm Parameters (number and epididymal transit time).

	WT (n = 6)	IL6KO (n = 5)
Spermatid number (× 106/testis)	16.65 ± 1.39	21.07 ± 1.17 *
Daily sperm production (× 106/testis/day)	3.44 ± 0.29	4.35 ± 0.24 *
Caput/corpus epididymis sperm number (× 106/organ)	13.09 ± 0.49	15.98 ± 2.02
Cauda epididymis sperm number (× 106/organ)	15.37 ± 1.81	17.87 ± 1.99
Caput/corpus epididymis sperm transit time (days)	3.96 ± 0.40	3.73 ± 0.55
Cauda epididymis sperm transit time (days)	4.83 ± 0.94	4.03 ± 0.28

*p < 0.05, unpaired t-test or Mann–Whitney test, GraphPad Prism 6. Values expressed as mean ± SEM.