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Table 1 Relative volume of sperm kg -1 body mass (M B ), concentration and viability of spermatozoa (spz) and motility and velocity 15 s post activation (mean ± SD) in sperm of A. ruthenus , A. gueldenstaedtii, A. baerii and of the spontaneous hexaploid A. baerii

From: Fertility of a spontaneous hexaploid male Siberian sturgeon, Acipenser baerii

Males No. of Fish Relative volume of sperm (ml kg-1MB) Concentration (109ml-1) Viability (% live spz) Motility (% motile spz) Velocity (μm s-1)
A. ruthenus 6 13.57 ± 4.69 1.75 ± 0.46 98.76 ± 0.36 87.90 ± 12.10 159.00 ± 19.25
A. gueldenstaedtii 6 8.6 ± 4.6 1.54 ± 0.80 92.56 ± 3.2 90.60 ± 9.20 165.20 ± 15.72
A. baerii 6 22.14 ± 7.07 1.52 ± 1.88 95.93 ± 2.58 95.24 ± 9.85 169.66 ± 8.69
A. baerii spontaneous hexaploid 1 24.29 2.35 93.47 100.00 152.04