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Freshwater Crayfish 5(1): 331-343 (1983)

PEER REVIEWED    RESEARCH ARTICLE

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Crawfish (Procambarus clarkii) growth and dispersal in a small south Louisiana pond planted with rice (Oryza sativa)

Witzig JF, Avault Jr. JW and Huner JV  e-mail link

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Abstract

The red swamp crawfish (Procambarus clarkii) feeds well on pelleted rations, green plants, periphyton, detr1tus, and agriculture by-products. The ideal feed/forage regime must produce high yields of crawfish per hectare at a cost to allow for maximum profit. Many pelleted rations, though producing high yields, appear uneconomical. Planted forages such as rice give both high yields and high monetary returns. A major problem with rice forage is that it decomposes completely before the crawfish growing season is completed. A combination of two or more forages with differing decomposition rates should prove to be the best feeding regime. In selecting the best forage(s) the following parameters should be considered: carbon:nitrogen ratio, decomposition rate, biomass production, lodging rate, and water quality.

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Witzig JF, Avault Jr. JW and Huner JV. (1983). Crawfish (Procambarus clarkii) growth and dispersal in a small south Louisiana pond planted with rice (Oryza sativa). Freshwater Crayfish 5(1):331-343. doi: 10.5869/fc.1983.v5.331

 

 

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