Evaluation of Glanded and Glandless Cottonseed Products in Catfish Diets

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Abstract
Seven isocaloric and isonitrogenous diets in which either glanded or glandless cottonseed products were substituted for soybean and/or peanut meals, were fed to age-0 channel catfish Ictalurus punctatus for a period of 10 weeks. All diets were supplemented with lysine HCl. Based on growth, feed conversion and survival data defatted, glandless cottonseed flour supplemented with lysine appears to be an adequate protein for use in channel catfish diets. Growth of fish fed either glanded cottonseed meal or fullfat, glandless cottonseed flour was depressed when compared to fish fed defatted, glandless cottonseed flour as the sole plant protein source. Whole body fatty acid patterns reflected dietary fat composition.