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Channel catfish (Ictalurus punctatus) supported a $450 million/yr aquaculture industry in 2003. [5] The US farm-raised catfish industry began in the early 1960s in Kansas, Oklahoma and Arkansas. Channel catfish quickly became the major catfish grown, as it was hardy and easily spawned in earthen ponds.
Catfish in genus Clarias can breathe atmospheric air and can tolerate much higher levels of pollutants than trout or salmon, which makes aeration and water purification less necessary and makes Clarias species especially suited for intensive fish production. In some Clarias farms, about 10% of the water volume can consist of fish biomass.
The channel catfish is an important food source in the southern United States and is valued for the quality of its meat. [35] In the United States, catfish is the largest aquaculture industry, and channel catfish make up 90% of farm-raised catfish. In 2021, catfish farmers in the United States made $421 million in sales.
Two Mississippi catfish farms have settled a lawsuit alleging that they brought workers from Mexico to the U.S. and paid them significantly more than they previously paid local Black farmworkers ...
This might be caused by the initial investment needed when starting the system. [ 10 ] [ 11 ] The use of rice-fish systems has resulted in an increase in rice yields and productivity from 6.7–7.5 tonnes per hectare (3.0–3.3 short ton/acre) and simultaneously also from 0.75–2.25 tonnes per hectare (0.3–1.0 short ton/acre) of fish. [ 12 ]
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Tilapia farm projects in these countries have the highest potential to be "green" or environmentally friendly. In temperate zone localities, tilapia farmers typically need a costly energy source to maintain a tropical temperature range in their tanks.
The peak of catfish farming in the state was in the year 2002, when 38,000 acres (150 km 2) were under farming. In 2007, the state's catfish producers generated sales of $71.5 million – 16 percent of the total U.S. market. [16] Arkansas was the first state to develop commercial catfish farms in the late 1950s.