Protective immunity in Atlantic salmon (Salmo salar L.) vaccinated at different water temperatures

Autor: Liv Jorun Reitan, Anne Ramstad, Atle Lillehaug, Karen Bækken
Rok vydání: 1993
Předmět:
Zdroj: Fish & Shellfish Immunology. 3:143-156
ISSN: 1050-4648
DOI: 10.1006/fsim.1993.1015
Popis: Groups of Atlantic salmon parr were kept at five different water temperatures; 2, 4, 6, 8 or 10° C. After acclimatisation, they were vaccinated either by injection or immersion against cold water vibriosis, caused by Vibrio salmonicida. Five weeks after vaccination, the water temperatures were raised to 10° C for all groups. During challenge tests 2, 4 and 6 months after vaccination, fish vaccinated at low temperatures (2, 4 or 6° C) showed better protection against infection than fish vaccinated at higher temperatures (8 or 10° C). However, the mean levels of antibodies against V. salmonicida were not higher in the low temperature group, indicating that other mechanisms also play a role in protective immunity.
Databáze: OpenAIRE