Skip to main content
SLU publication database (SLUpub)

Abstract

In this study, level of cholesterol oxidation products (COPs), fatty acids and carotenoids were compared between healthy and M74 yolk sac mortality syndrome-affected eggs in two Swedish stocks of Baltic salmon (Salmo salar). In addition were eggs from one stock of Atlantic salmon, originating from a Swedish west coast river analysed. This syndrome is believed to be the result of a combined environmental load of anthropogenic substances like chloroorganic pollutants and their metabolites. The syndrome is so far only found in Baltic salmon spending their post-smolt period in the Baltic Sea. CON were significantly higher (p = 0.0289) in Baltic salmon eggs suffering from M74 than in healthy eggs, while no difference was found between healthy Baltic salmon eggs and those from the Atlantic stock (p>0.05). The absolute level of CON varied between rivers and year classes, while the level of cholesterol was relatively stable. However, the level of CON was always higher in the M74-affected eggs compared to their healthy counterparts. The content of the fatty acid 22:6 n-3 (DHA; docosahexaenoic acid) was higher and astaxanthin lower in M74-affected eggs (p = 0.0056; p = 0.0078, respectively) compared to healthy ones of the same stock and year class. (C) 2003 Elsevier B.V. All rights reserved

Published in

Aquaculture
2003, volume: 227, number: 1-4, pages: 63-75
Publisher: ELSEVIER SCIENCE BV

SLU Authors

UKÄ Subject classification

Food Science

Publication identifier

  • DOI: https://doi.org/10.1016/S0044-8486(03)00495-2

Permanent link to this page (URI)

https://res.slu.se/id/publ/1002