Culture of the calanoid copepod Pseudodiaptomus euryhalinus (Johnson 1939) with different microalgal diets |
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| Authors: | AC Puello-Cruz S Mezo-Villalobos B Gonzlez-Rodríguez D Voltolina |
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| Institution: | aCentro de Investigaciones en Alimentación y Desarrollo A.C., Unidad Mazatlán, Sinaloa, Mexico;bCentro de Investigaciones Biológicas del Noroeste, Laboratorio UAS-CIBNOR, P.O. Box 1132, Mazatlán, Sinaloa, Mexico |
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| Abstract: | The copepod Pseudodiaptomus euryhalinus was fed 320 cells μL− 1 of monoalgal cultures of Chaetoceros muelleri, Nannochloropsis oculata, Isochrysis galbana, Tetraselmis suecica, or a commercial frozen concentrate of Tetraselmis sp., and the diet which gave the best production was compared in a second experiment to three mixed diets: C. muelleri:I. galbana supplied in 1:1 and 2:1 cell ratios and C. muelleri:I. galbana:frozen Tetraselmis sp. in 2:2:1 ratio. These gave better results than the cultures of N. oculata, I. galbana, T. suecica and the frozen Tetraselmis concentrate, but the production was similar to that obtained with C. muelleri supplied as a monoalgal diet, showing that the addition of C. muelleri may improve the performance of other monoalgal diets, whereas the addition of other microalgae is unlikely to improve the results obtained when C. muelleri is supplied as a monoalgal diet. |
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| Keywords: | Copepod culture Yield Monoalgal diets Mixed diets |
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