Verigin et al, 1990



Citation


Verigin, B.V. and Shakha, D.N. and Kamilov, B.G. (1990) Correlation among reproductive indicators of the silver carp, Hypothalmichthys molitrix, and the bighead, Aristichthys nobilis. J. Ichthyol., pp. 80-92

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Aristichthys nobilis Egg Oocyte diameter Mean of 1.51 ± 0.016 in 1982 and 1.52 ± 0.06 in 1983 1.51 mm
Aristichthys nobilis Egg Egg size after water-hardening 5.00 ± 0.08 in 1982 and 4.50 ± 0.15 in 1983 5.0 mm
Aristichthys nobilis Female Absolute fecundity Mean of 712.5 ± 42.1 (range 381.6-964.4) in 1982 and 810.2 ± 62.2 (range 204.3-1658.8) in 1983 712.5 thousand eggs
Hypophthalmichthys molitrix Egg Oocyte diameter Mean of 1.27 ± 0.05 in 1982 and 1.25 ± 0.03 in 1983 1.27 mm
Hypophthalmichthys molitrix Egg Egg size after water-hardening Mean of 4.28 ± 0.03 in 1982 and 3.92 ± 0.02 in 1983 4.28 mm
Hypophthalmichthys molitrix Female Age at sexual maturity The broodstock analyzed is 5th - 6th generation reproduced artificially 5.0 year
Hypophthalmichthys molitrix Female Length at sexual maturity Broodstock used was: mean 68.5±0.5 (range 58-78) in 1982 and mean 63.4±0.3 (range 55-76) in 1983 68.5 cm
Hypophthalmichthys molitrix Female Weight at sexual maturity Broodstock used was: mean 5.75 ± 0.15 (range 3.56-8.71) in 1982 and mean 4.81 ±0.07 (range 3.40-8.70) in 1983 5.75 kg
Hypophthalmichthys molitrix Female Absolute fecundity Mean 603.7 ± 29.5 (range 240.8-1261) in 1982 and 571.1 (range 103.3-1298.4) in 1983 603.7 thousand eggs
Hypophthalmichthys molitrix Male Age at sexual maturity The broodstock analyzed is 5th - 6th generation reproduced artificially 5.0 years
Hypophthalmichthys molitrix Male Length at sexual maturity Broodstock used was: mean 64.7 ± 0.5, (range 54-75) in 1982, and mean 60.2 ± 0.5 (range 43-71) in 1983 64.7 cm
Hypophthalmichthys molitrix Male Weight at sexual maturity Broodstock used was mean 4.02 ± 0.2 (range 2.27-5.57) in 1982 and 3.50 ± 0.1 (range 2.40-5.20) in 1983 4.02 kg