Many strides have been made in the catfish industry during the last several decades. The industry has progressed from the days of collecting brood fish from local streams and rivers, placing those fish in brood ponds or pens and allowing the fish to spawn, to the recent development of selected lines of fish with improved growth and disease resistance. Even with the genetic improvements in brood s...
Breeding in aquaculture is a factor of good broodstock selection. Successful breeder always use broodstock of known history and pedigree. More work and research are needed in the area of fish reproductive physiology to fully determine the sperm daily output of different spp and the numbers of egg in relation to the size and other perimeter.