. 2022 Jan 18;11(2):154. doi: 10.3390/biology11020154

Table 1.

Semen characteristics of the sperm-rich and viscous, low sperm fractions collected in Experiment 1 and 2, from southern white rhinoceros bulls (n = 9) via electroejaculation. Data is mean ± SEM. Columns which differ in superscript indicate significant differences between means (p < 0.05).

Parameter	Ejaculate Fraction
Parameter	Sperm-Rich	Viscous, Low Sperm
Number of ejaculate fractions collected	10	11
Volume (ml)	2.6 ± 0.58 ^a	15.1 ± 2.4 ^b
Concentration (×10⁶ spermatozoa/mL)	863.3 ± 116.99 ^a	236.0 ± 46.61 ^b
Total sperm number per ejaculate (×10⁹ spermatozoa)	2.7 ± 0.93	3.4 ± 0.71