Lang and Tiersch, 2007



Citation


Lang, R.P. and Tiersch, T.R. (2007) Early out-of-season induced spawning of channel catfish Ictalurus punctatus (Rafinesque) conditioned in heated earthen ponds. Aquaculture Research, pp. 498-507

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Ictalurus punctatus Spawning conditions Mating system Females and males are placed in ponds containing spawning containers that stimulate natural nesting sites, and are allowed to form spawning pairs No category
Ictalurus punctatus Spawning conditions Spawning temperature Ambient water temperature in all culture facilities ranged from 23 to 27°C. Warm (30°C) water was added if possible to attempt to maintain water temperatures within the defined spawning range 23.0 °C
Ictalurus punctatus Egg Egg adhesiveness Formed a cohesive mass following activation Non-Adhesive
Ictalurus punctatus Egg Egg size after water-hardening Egg production by individual females was considered successful if eggs appeared normal ( yellow and ~ 5 mm in diameter) 5.0 mm