Mackenzie, 1989


No detailed citation.

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Ictalurus punctatus Female Maximum GSI value 10.9 [June, July] 10.9 percent
Ictalurus punctatus Female Resting period About 2 [GSI was low during the summer months: July and August] 2.0 months
Ictalurus punctatus Female Onset of oogenesis GSI Increase sugnificantly from September to October and November to January ['October', 'November', 'January', 'September']
Ictalurus punctatus Female Intensifying oogenesis activity April ['April']
Ictalurus punctatus Spawning conditions Spawning season June and July but most spawning activity apperaed to have ended by June ['June', 'July']