Infection levels of Austrodiplostomum compactum (Digenea, Diplostomidae) metacercariae in Plagioscion squamosissimus (Teleostei, Sciaenidae) from the Nova Avanhandava reservoir, Sao Paulo State, Brazil

被引：12
|
作者：
Paes, J. V. K. [1 ]
Carvalho, E. D. [2 ]
da Silva, R. J. [3 ]
机构：
[1] UNESP Botucatu, Inst Biociencias, BR-1861800 Sao Paulo, Brazil
[2] Univ Estadual Paulista, Inst Biociencias, Dept Morfol, Botucatu, SP, Brazil
[3] Univ Estadual Paulista, Inst Biociencias, Dept Parasitol, Botucatu, SP, Brazil
来源：
JOURNAL OF HELMINTHOLOGY | 2010年 / 84卷 / 03期
基金：
巴西圣保罗研究基金会;
关键词：
UPPER PARANA RIVER; 1928; PLATYHELMINTHES; CICHLIDAE; FISH; LUTZ; FLOODPLAIN; TREMATODES; IMPACT; BIRDS; EYES;
D O I：
10.1017/S0022149X09990617
中图分类号：
R38 [医学寄生虫学]; Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ; 100103 ;
摘要：
This study was aimed at evaluating the infection levels of Austrodiplostomum compactum metacercariae in 378 specimens of Plagioscion squamosissimus ('corvina' or 'pescada branca') from the Nova Avanhandava reservoir, low Tiete River, Sao Paulo State, Brazil. High prevalence, mean intensity of infection and abundance were observed in P. squamosissimus during most of the study, with the exception of March 2004. The relative condition factor (Kn) did not differ between parasitized and non-parasitized fish. A statistically significant positive correlation was observed between host standard length and intensity of infection. The analysis of biotic and abiotic variables showed that no abiotic variable correlated with parasitic infection levels. Moreover, P. squamosissimus status was demonstrated to be unaffected by A. compactum metacercariae infection.
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收藏
页码：284 / 291
页数：8
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