Diseases and injuries associated with mortality of hatchery reared Baltic cod (Gadus morhua L.) larvae

Inger Dalsgaard, K. Buchmann, J. L. Larsen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A cod hatching plant was established in 1992 on the island of Bornholm in the Baltic Sea in order to elucidate the possibilities for restocking of cod fry in this brackishwater system. The disease prevalence in 3 batches of hatchery-reared yolksac larvae from the Baltic cod (Gadus morhua L.) was monitored during the posthatch period. High prevalences of bacteriosis/mycosis, lordosis/scoliosis, injuries and protozoan endoparasitism were recorded. Vibrio sp. and Vibrio anguillarum serovar 04, 06, 08 in addition to nontypable strains and saprolegniaceous fungi were isolated from the larvae. The dinoflagellate-like endoparasites were located in the yolksac of the cod larvae.
Original languageEnglish
Book seriesActa Veterinaria Scandinavica. Supplementum
Volume34
Issue number4
Pages (from-to)385-390
ISSN0065-1699
Publication statusPublished - 1993
Externally publishedYes

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