Population biology of Allocreadium lobatum Wallin, 1909 (Digenea: Allocreadiidae) in the creek chub, Semotilus atromaculatus, mitchill (Osteichthyes: Cyprinadae), in a Nebraska Creek, USA
Mem. Inst. Oswaldo Cruz
;
96(3): 331-338, Apr. 2001. graf, tab
Article
in English
| LILACS
| ID: lil-282840
RESUMO
Allocreadium lobatum Wallin, 1909 has been reported in cyprinid species of freshwater fish in Canada and in the United States. The population biology of A. lobatum in the host Semotilus atromaculatus Mitchill was studied from May through December 1991, in a USA creek. Overall prevalence (64 percent) and mean intensity (4.4 + or - 0.4) were greater than previously reported while abundance, reported for the first time, was 2.8 + or - 0.3. Several trends in A. lobatum population biology as a function of S. atromaculatus length were identified. Mean intensity and abundance of A. lobatum increased with host size and significant differences in prevalence and A. lobatum lengths were found to correlate with host lengths
Full text:
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Index:
LILACS (Americas)
Main subject:
Cyprinidae
/
Fish Diseases
Type of study:
Prevalence study
/
Risk factors
Limits:
Animals
Country/Region as subject:
North America
Language:
English
Journal:
Mem. Inst. Oswaldo Cruz
Journal subject:
Tropical Medicine
/
Parasitology
Year:
2001
Type:
Article
Affiliation country:
United States
Institution/Affiliation country:
University of Nebraska State Museum/US
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