CHANNEL CATFISH CULTURE. Channel Catfish ( Ictalurus punctatus ). Native Range of Channel Catfish in the United States. Food Habits. Preferred Habitat. Reservoirs and lakes. Rivers. Reproductive Live History. 1. Sexual maturity is reached in 2 to 3 years in the southeastern U. S.
Reservoirs and lakes
1. Sexual maturity is reached in 2 to 3 years in the southeastern U. S.
2. Spawning takes place in a cavity formed by rocks, logs or a hole in a lake or river bank.
3. Preferred spawning water temperatures: 21-29 C, with optimal temperature 24 to 26 C.
1. Males defend a territory/cavity.
2. Female enters the cavity and spawns.
3. Males incubate eggs and defend fry.
4. Males can spawn with more than one female a season.
Catfish are grown in 4 to 10 ha earthen ponds with flat bottoms.
water or rainfall
1. Stock adults 3 to 8 years old
2. Stock 1 male to 2 females
3. Stock 800 kg of brooders/ha
Boxes in spawning pond
Eggs are transported to a hatching shed.
Fry are fed powdered feed.
Screen bottom boxes
corn wheat soybean
Feed amount is controlled by an electronic scalelocated in the truck cab. Catfish are fed what they will eat up to a maximum of 120 kg/ha/day.
No water exchange is practiced because ponds are large and pumping water is costly.
Gas cannon to
scare the birds
Catfish are retained in a holding net overnight to eliminate small catfish. Fish are crowded for loading onto the transport truck. A crew of 5 can load 15,000 kg of fish in 1 hour.
1. Whole - 20 %
2. Pieces and bellies - 20%
3. Fillets - 60 %
Preservation method as a percentage of total catfish processed:
1. iced - 20 %
2. frozen - 80 %
Principle farming states are located inthe Southeastern U. S.. Mississippi (MS) Alabama (AL) and Arkansas (AR) produce 90 % of the farmed catfish.
Mississippi accounts for 65 % of farmed catfish
1. Popular food fish - market
2. Warm climate
3. Abundant water and clay soils
4. Close to major grain farming regions - cheap fish
4,000 to 7,000 kg/ha/year