Seasonal occurrence of Lepeophtheirus salmonis and Caligus elongatus (Copepoda: Caligidae) on sea trout (Salmo trutta), off southern Norway

ICES Journal of Marine Science

Volumn 55, Issue 2, 1998, Pages 163-175

  Schram, T A ^a   Knutsen, J A ^b   Heuch, P A ^c   Mo, T A ^c  

^a UNIVERSITY OF OSLO   (Norway)

^b Department of Environmental Affairs ^*  (Norway)

^c NORWEGIAN VETERINARY INSTITUTE   (Norway)

Author keywords

Caligus elongatus; Fish farms; Lepeophtheirus salmonis; Natural infestation; Salmon lice; Sea trout; Season cycles

Indexed keywords

PARASITISM; SEA LICE; SEASONALITY; TROUT;

ARENDAL; NORTH SEA; NORWAY;

CALIGUS ELONGATUS; COPEPODA; LEPEOPHTHEIRUS SALMONIS; SALMO TRUTTA;

EID: 0032052064     PISSN: 10543139     EISSN: None     Source Type: Journal    
DOI: 10.1006/jmsc.1997.0357     Document Type: Article

References (32)

1. Anderson, R. M. and Gordon, D.M. 1982. Processes influencing the distribution of parasite numbers within host populations with special emphasis on parasite-induced host mortalities. Parasitology, 85: 373-398.
2. Anderson, R. M. and May, R. M. 1978. Regulation and stability of host-parasite population interactions. I. Regulatory processes. The Journal of Animal Ecology, 47: 219-247.
3. Birkeland, K. 1996a. Salmon lice, Lepeophtheirus salmonis Krøyer, infestations and implications for anadromous brown trout, Salmo trutta L. Dr. scient. thesis, University of Bergen.
4. Birkeland, K. 1996b. Consequences of premature return by sea trout (Salmon trutta) infested with the salmon louse (Lepeophtheirus salmonis): migration, growth, and mortality. Canadian Journal of Fisheries and Aquatic Sciences, 53: 2808-2813.
5. Boxshall, G. A. 1974. The population dynamics of Lepeophtheirus pectoralis (Müller): seasonal variations in abundance and age structure. Parasitology, 69: 361-371.
6. Bruno, D. W. and Stone, J. 1990. The role of saithe, Pollachius virens L., as a host for the sea lice Lepeophtheirus salmonis Krøyer and Caligus elongatus Nordmann. Aquaculture, 89: 201-207.
7. Dannevig, H. W. and Van der Eyden, J. 1986. Skagerrakfiskerens historie. Gyldendal Norsk Forlag, Oslo, Norway.
8. Esch, G. W. and Fernández, J. C. 1993. A Functional Biology of Parasitism. Chapman & Hall, London.
9. Grayson, T. H., John, R. J., Wadsworth, S., Greaves, K., Cox, D., Roper, J., Wrathmell, A. B., Gilpin, M., and Harris, J. E. 1995. Immunisation of Atlantic salmon against the salmon louse: identification of antigens and effects on louse fecundity. Journal of Fish Biology, 47 (Supplement A): 85-94.
10. Hogans, W. E. and Trudeau, D. J. 1989. Preliminary studies on the biology of sea lice, Caligus elongatus, Caligus curtus and Lepeophtheirus salmonis (Copepoda: Caligoida) parasitic on cage-cultured salmonids in the Lower Bay of Fundy. Canadian Technical Report of Fisheries and Aquatic Sciences, 1715: 1-14.
11. Jackson, D. and Minchin, D. 1992. Aspects of the reproductive output of two calgid copepod species parasitic on cultivated salmon. Invertebrate Reproduction and Development, 22: 87-90.
12. Jackson, D. and Minchin, D. 1993. Variation in sea lice infestation in Ireland. ICES CM 1993/F: 30.
13. Johnson, S. C. and Albright, L. J. 1991. Development, growth, and survival of Lepeophtheirus salmonis (Copepoda: Caligidae) under laboratory conditions. Journal of the Marine Biological Association of the United Kingdom, 71: 425-436.
14. Jonsson, B. 1976. Comparison of scales and otoliths for age determination in brown trout, Salmo trutta. Norwegian Journal of Zoology, 24: 295-301.
15. Kabata, Z. 1979. Parasitic copepoda of British fishes. The Ray Society, London, UK.
16. Lester, R. J. G. 1984. A review of methods for estimating mortality due to parasites in wild fish populations. Helgoländer Meeresuntersuchungen, 37: 53-64.
17. McCallum, H. and Scott, M. E. 1994. Quantifying population processes: Experimental and theoretical approaches. In Parasitic and infectious diseases. Epidemiology and ecology, pp. 29-45. Ed. by M. E. Scott & G. Smith. Academic Press, San Diego.
18. Mo, T. A. and Heuch, P. A. 1998. Occurrence of Lepeophtheirus salmonis (Copepoda: Caligidae) on sea trout Salmo trutta in the inner Oslo Fjord, south-eastern Norway. ICES Journal of Marine Science, 55: 176-180.
19. Neilson, J. D., Perry, R. I., Scott, J. S., and Valerio, P. 1987. Interactions of caligid ectoparasites and juvenile gadids on Georges Bank. Marine Ecology - Progress Series, 39: 221-232.
20. Nordhagen, J. R. 1997. Livshistorie og morfologi til lakselus (Lepeophtheirus salmonis) fra villaks og oppdrettslaks. Cand. Scient. thesis, University of Oslo.
21. Pemberton, R. 1976. Sea trout in North Argyll Sea lochs, population, distribution and movements. Journal of Fish Biology, 9: 157-179.
22. Scott, M. E. 1987. Temporal changes in aggregation: a laboratory study. Parasitology, 94: 583-595.
23. Scott, M. E. 1994. Populations are dynamic. In Parasitic and infectious diseases. Epidemiology and ecology, pp. 1-8. Ed. by M. E. Scott and G. Smith. Academic Press, San Diego.
24. Sharp, L. A., Pike, A., and McVicar, A. H. 1994. Parameters of infection and morphometric analysis of sea lice from sea trout (Salmo trutta L.) in Scottish waters. In Parasitic diseases of fish, pp. 151-170. Ed. by A. W. Pike and J. W. Lewis. Samara Publishing Limited, Tresaith, UK.
25. Skurdal, J. and Andersen, R. 1985. Influence on temperature on the number of circuli of first year scales of brown trout, Salmo trutta L. Journal of Fish Biology, 26: 363-366.
26. Tully, O. 1989. The succession of generations and growths of the caligid copepods Caligus elongatus and Lepeophtheirus salmonis parasitising farmed Atlantic salmon smolts (Salmo solar L.). Journal of the Marine Biological Association of the United Kingdom, 69: 279-287.
27. Tully, O. 1992. Predicting infestation parameters and impacts of caligid copepods in wild and cultured fish populations. Invertebrate Reproduction and Development, 22: 91-102.
28. Tully, O. and Whelan, K. F. 1993. Production of nauplii of Lepeophtheirus salmonis (Krøyer) (Copepoda: Caligidae) from farmed and wild salmon and its relation to the infestation of wild sea trout (Salmo trutta L.) off the west coast of Ireland in 1991. Fisheries Research, 17: 187-200.
29. Tully, O., Poole, W. R., and Whelan, K. F. 1993a. Infestation parameters for Lepeophtheirus salmonis (Krøyer) (Copepoda: Caligidae) parasitic on sea trout Salmo trutta L., off the west coast of Ireland during 1990 and 1991. Aquaculture and Fisheries Management, 24: 545-555.
30. Tully, O., Poole, W. R., Whelan, K. F., and Merigoux, S. 1993b. Parameters and possible causes of epizootics of Lepeophtheirus salmonis (Krøyer) infesting sea trout (Salmo trutta L.) off the west coast of Ireland. In Pathogens of wild and farmed fish: Sea Lice, pp. 202-213. Ed. by G. A. Boxshall and D. Defaye. Ellis Horwood Limited, Chichester.
31. Wood, P. T. K. and Shariff, M. 1990. Lernea cyprinacea L. (Copepoda: Caligidea) in Helostoma temmincki Cuvier and Valenciennes: the dynamics of resistance in recovered and naive fish. Journal of Fish Diseases, 13: 485-493.
32. Wootten, R., Smith, J. W., and Needham, E. A. 1982. Aspects of the biology of the parasitic copepods Lepeophtheirus salmonis and Caligus elongatus on farmed salmonids, and their treatment. Proceedings of the Royal Society of Edinburgh, 81B: 185-197.