Brauhn and McCraren, 1975


Brauhn, J. and McCraren, J. (1975) Ovary maturation in channel catfish. The progressive Fish-culturist, pp. 209-212

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Ictalurus punctatus Female Onset of oogenesis The average GSI increases in midwinter, in November ['January', 'February', 'March', 'November']
Ictalurus punctatus Female Intensifying oogenesis activity June ['June']
Ictalurus punctatus Female Maximum GSI value Mean of 13.8, range 11.0-19.35 [1 July] 15.18 percent
Ictalurus punctatus Female Resting period An apparent low point in the annual ovarian cycle was reached immediatly after spawning No data