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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.
A farm with 200,000 salmon discharges more fecal waste than a city of 60,000 people. This waste is discharged directly into the surrounding aquatic environment, untreated, often containing antibiotics and pesticides." [9] There is also an accumulation of heavy metals on the benthos (seafloor) near the salmon farms, particularly copper and zinc ...
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Texas Farm Bureau produces two member publications: Texas Agriculture for agricultural producers and Texas Neighbors for non-producing members. [9] News services also include a television program, “Voices of Agriculture,” on RFD-TV , and the “Texas Farm Bureau Radio Network,” which has more than 60 affiliate radio stations across Texas.
The spawning of these catfish occurs when the temperature reaches roughly 66 to 75 °F (19 to 24 °C) and the flow of the stream or river becomes steady. [18] When flathead catfish reach the ages of three to six years old they are considered sexually mature and the catfish are able to start reproducing. As the current of the river or stream ...
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