Yildirim et al, 1999


Citation

Yildirim, A. and Erdogan, O. and Turkmen, M. and Demir, B.C. (1999) Coruth Havzasi-oltu Cayi'nda Alburnoides bipunctatus fasciatis Nordman, 1840) in Bazi Ureme Ozelliklerinin Arastirilmasi. Tr. J. of Vetenary and Animal Sciences, pp. 679-686

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Alburnoides bipunctatus Female Age at sexual maturity 2 2.0 year
Alburnoides bipunctatus Female Relative fecundity 702 ± 52 702.0 thousand eggs/kg
Alburnoides bipunctatus Female Absolute fecundity 13 ± 1 13.0 thousand eggs
Alburnoides bipunctatus Female Onset of oogenesis Increase regularly from September to February, from 2.5 [n=5] in August to 9 [n=2] in February ['January', 'February', 'August', 'September', 'October', 'November']
Alburnoides bipunctatus Female Intensifying oogenesis activity March until end of May from 11 [n=5] to 18-20 [n=48] ['March', 'May']
Alburnoides bipunctatus Female Maximum GSI value 20.5 ± 0.9 [n=24] in May, 25 20.5 percent
Alburnoides bipunctatus Female Oogenesis duration About 10 months [From September to May] 10.0 months
Alburnoides bipunctatus Female Resting period 1 [Short in August] 1.0 months
Alburnoides bipunctatus Female Resting period 2.5 ± 0.8 [n=5] 2.5 months
Alburnoides bipunctatus Male Age at sexual maturity 2 2.0 years
Alburnoides bipunctatus Male Onset of spermatogenesis Increase regularly from September [2.4, n=7] to December [3.7, n= 3] ['September', 'December']
Alburnoides bipunctatus Male Main spermatogenesis activity From January [2.5, n=3] until April [10, n=16] ['January', 'April']
Alburnoides bipunctatus Male Maximum GSI value 13.4 [In end of May, n= 17] 13.4 percent
Alburnoides bipunctatus Male Resting period 1.7 [n=3, August] 1.7 months
Alburnoides bipunctatus Spawning conditions Spawning season End -May to End-July ['May', 'July']
Alburnoides bipunctatus Spawning conditions Spawning period duration 8-10 9.0 weeks
Alburnoides bipunctatus Spawning conditions Spawning temperature 16-25 20.5 °C