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Titolo:
Natural occurrence of Diplostomum sp (Digenea : Diplostomatidae) in adult mudpuppies and bullfrog tadpoles from the St. Lawrence River, Quebec
Autore:
Marcogliese, DJ; Rodrigue, J; Ouellet, M; Champoux, L;
Indirizzi:
Environm Canada, St Lawrence Ctr, Montreal, PQ H2Y 2E7, Canada Environm Canada Montreal PQ Canada H2Y 2E7 , Montreal, PQ H2Y 2E7, Canada Environm Canada, Canadian Wildlife Serv, St Foy, PQ G1V 4H5, Canada Environm Canada St Foy PQ Canada G1V 4H5 Serv, St Foy, PQ G1V 4H5, Canada McGill Univ, Redpath Museum, Montreal, PQ H3A 2K6, Canada McGill Univ Montreal PQ Canada H3A 2K6 seum, Montreal, PQ H3A 2K6, Canada
Titolo Testata:
COMPARATIVE PARASITOLOGY
fascicolo: 1, volume: 67, anno: 2000,
pagine: 26 - 31
SICI:
1525-2647(200001)67:1<26:NOODS(>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
AMPHIBIA;
Keywords:
Diplostomum sp.; eyefluke; Necturus maculosus; mudpuppy; Rana catesbeiana; tadpole; amphibians; prevalence; abundance; St. Lawrence River; Canada;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Marcogliese, DJ Environm Canada, St Lawrence Ctr, 105 McGill St,7th Floor,Montreal, PQ H2Y 2E7, Canada Environm Canada 105 McGill St,7th Floor Montreal PQ Canada H2Y 2E7
Citazione:
D.J. Marcogliese et al., "Natural occurrence of Diplostomum sp (Digenea : Diplostomatidae) in adult mudpuppies and bullfrog tadpoles from the St. Lawrence River, Quebec", COMP PARASI, 67(1), 2000, pp. 26-31

Abstract

Adult mudpuppies (Necturus maculosus) and bullfrog tadpoles (Rana catesbeiana) infected with the eyefluke Diplostomum sp. in the lenses were collected from the St. Lawrence River. Quebec. Canada. Respective prevalence and mean abundance of Diplostomum, sp. were 100% and 3.1 +/- 1.7 in Lake St. Francois, 58.3% and 1.5 +/- 1.8 in Lake St Louis. and 53.8% and 0.7 +/- 0.8 in Lake St. Pierre. No eyeflukes were observed in mudpuppies from the Richelieu River. Prevalence and mean abundance of Diplostomum sp. were significantly higher in mudpuppies from Lake St. Francois than in those from other sites. The high prevalence and abundance in Lake St. Francois may be because the regulated water levels may enhance snail intermediate host habitats. There was a significant negative correlation between mudpuppy length and numberof eyeflukes Per host when samples were pooled From the 3 sites where Diplostomum sp. was found. Mean length of infected mudpuppies from those 3 sites was significantly smaller than uninfected ones. Twenty-four (28%) of 86 mudpuppies had cataracts associated with infections of eyeflukes. Prevalenceand mean abundance of Diplostomum sp. in bullfrog tadpoles collected from Lake Sr. Pierre were 14.3% and 0.1 +/- 0.4 parasite per animal. much lower than observed for mudpuppies from the same lake. Higher occurrence of eyeflukes in mudpuppies compared with tadpoles is attributed to the greater age and more sedentary benthic nature of mudpuppies. This is the first report of amphibians naturally infected with Diplostomum sp. and only the second with eyeflukes in general.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/09/20 alle ore 03:20:54