Quantification of Vitellogenin in Atlantic Salmon ( Salmo salar ) Plasma by Radioimmunoassay

• Published in: Journal of the Fisheries Research Board of Canada
• Main Authors: Idler, D. R., Hwang, S. J., Crim, L. W.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1979
• Subjects: Atlantic salmon; Salmo salar
• Online Access: http://dx.doi.org/10.1139/f79-082; http://www.nrcresearchpress.com/doi/pdf/10.1139/f79-082

An antibody prepared against salmon egg yolk proteins has been used to quantify Atlantic salmon (Salmo salar) plasma vitellogenin using radioimmunoassay. A low molecular weight fraction isolated from salmon egg yolk was used for radioiodination and as standard solution because plasma vitellogenin could not be iodinated successfully. Parallelism of the egg yolk standard to displacement given by a fraction isolated from vitellogenic salmon plasma and dilutions of plasma samples allowed the assay to be used to evaluate the state of gonadal development of migrating females several months in advance of spawning and for sexing relatively immature salmon. Key words: salmon, plasma vitellogenin; vitellogenin, quantification in salmon plasma; radioimmunoassay, salmon vitellogenin