Pathological changes of stomach in ringed seal (Pusa hispida) from Arviat (North Canada) caused by anisakid nematodes

• Autorzy: Soltysiak Z. , Simard M. , Rokicki J.
• Języki publikacji: EN

Abstrakty

EN

This is a report of lesions associated with the nematodes (Anisakidae) from the stomach of ringed seals (Pusa hispida). On thirty one examined ringed seals from Arviat, thirteen were infected by 1 to 24 anisakids. Identification of nematodes from their stomachs showed two species; Contracaecum osculatum (sensu lato) (79 specimens) and Pseudoterranova decipiens (sensu lato) (11 specimens). In the gastric sections with parasites, larvae and adults of nematodes were present mainly in the fundic portion of the stomach. The anterior parts of the nematodes were embedded in mucosa and submucosa. Anisakids were associated with ulcerous gastric lesions and raised inflammatory areas in the stomachs. The histological examination of a sample taken from the tissue surrounding anisakids revealed the presence of more or less confluent focal necrotic areas. Most small petechial hemorrhages were located in the mucosal layer of the gastric wall and were surrounded by inflammatory mononuclear cells such as lymphocytes, histiocytes, eosinophils and fibroblasts. The Anisakidae larvae in the stomach caused atrophy of glands, hemorrhaging and eosinophilic infiltrations that consequently healed, creating fibrotic scars.

• Wydawca: -
• Czasopismo: Polish Journal of Veterinary Sciences
• Rocznik: 2013
• Tom: 16
• Numer: 1
• Opis fizyczny: p.63-67,fig.,ref.

Twórcy

autor

Soltysiak Z.

• Parasitology Unit of the Department of Internal Medicine and Clinic of Diseases of Horses, Dogs and Cats, Wroclaw University of Environmental and Life Sciences, C.K.Norwida 31, 50-375 Wroclaw, Poland

autor

Simard M.

• Nunavik Research Centre, Makivik Corporation, Kuujjuaq, Quebec, J0M 1C0

autor

Rokicki J.

• Department of Invertebrate Zoology and Parasitology University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland

Bibliografia

• Adams AM (1988) Taxonomy, systematics and ecology of helminth parasites of the ringed seal, Phoca hispida Schreber, in Alaskan waters. Doctoral thesis, University of Washington, Seattle, Washington, p 203.
• Blaxter ML (1993) Cuticle surface proteins of wild type and mutant Caenorhabditis elegans. J Biol Chem 268: 6600-6609.
• Bonner WN (1990) The Natural History of Seals. Facts on File Publications, New York, P196 pp.
• Chambellant M (2010) Hudson Bay ringed seal: Ecology in a warming climate. In: Ferguson SH, Loseto LL, Mallory ML (eds) A little less Arctic. Top predators in the World’s largest northern inland Sea, Hudson Bay. Springer, Dordretch, Heildelberg, London, pp 137-158.
• Dziekońska-Rynko J, Rokicki J (2005) Activity of selected hydrolases in excretion-secretion products and extracts of adult Contracaecum rudolphii. Wiadomości Parazytologiczne 51: 227-231.
• Geraci J (2003) [photograph]. In: Vlasman KL, Campbell GD (eds) Diseases and parasites of marine mammals of the eastern Canadian Arctic: field guide. Canadian Cooperative Wildlife Health Centre, University of Guelph, Guelph, p 66.
• Johansen CE, Lydersen C, Aspholm PE, Haug T, Kovacs KM (2010) Helminth parasites in ringed seals (Pusa hispida) from Svalbard, Norway with special emphasis on nematodes: variation with age, sex, diet, and location of host. J Parasitol 96: 946-953.
• Lehnert K, Raga JA, Siebert U (2007) Parasites in harbour seals (Phoca vitulina) from the German Wadden Sea between two Phocine Distemper Virus epidemics. Helgol Mar Res 61: 239-245.
• Lucas Z, Daoust PY, Conboy G, Brimacombe M (2003) Health status of harp seals (Phoca groenlandica) and hooded seals (Cystophora cristata) on Sable Island, Nova Scotia, Canada, concurrent with their expanding range. J Wildl Dis 39: 16-28.
• McClelland G (1980) Phocanema decipiens: pathology in seals. Exp Parasitol 49: 405-419.
• Measures LN, Gosselin JF (1994) Helminth parasites of ringed seal, Phoca hispida, from Northern Quebec, Canada. J Helm Soc Wash 61: 240-244.
• Mika A, Gołębiowski M, Szafranek J, Rokicki J, Stepnowski P (2010) Identification of lipids in the cuticle of the parasitic nematode Anisakis simplex and the somatic tissues of the Atlantic cod Gadus morhua. Exp Parasitol 124: 334-340.
• Mouritsen KN, Hedeholm R, Schack HB, Møller LN, Storr-Paulsen M, Dzido J, Rokicki J (2010) Occurrence of anisakid nematodes in Atlantic cod (Gadus morhua) and Greenland cod (Gadus ogac), West Greenland. Acta Parasitol 55: 81-89.
• Popov VN, Yurakhno MV, Skryabin VA (1993) Helminth fauna of the Okhotsk ringed seal living in Patience Bay and Laperouse Strait. Can Transl Fish Aquat Sci 5690: 1-15.
• Rokicki J, Piskorzyńska M, Tokarski J, Podolska M (1993) Haematological and morphological changes in experimental anisakiosis in pigs. Wiadomości Parazytologiczne 39: 155-165.
• Smith J, Wootten R (1978) Anisakis and anisakiasis. Adv Parasitol 15: 93-163.
• Treshchev VV, Popov VN (1993) Helminths of the ringed seal in the southeastern part of the Barents Sea. Can Transl Fish Aquat Sci 5690: 1-3.
• Valtonen ET, Fagerholm H-P, Helle E (1988) Contracaecum osculatum (Nematoda: Anisakidae) in fish and seals in Bothnian Bay (northeastern Baltic Sea). Int J Parasitol 18: 365-370.
• Vik R (1986) Parasittundersøkelser pafisk, fugl og sel i Barentshavet. Norsk Polarinstitutt Rapportserie 29: 51-55.

Uwagi

PL

Rekord w opracowaniu