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Title: Parasitological assessment in the hybrid surubim (Pseudoplatystoma reticulatum x P. corruscans), with uncommon occurrence of Monogenea parasites
Other Titles: Avaliação parasitológica no híbrido surubim (Pseudoplatystoma reticulatum x P. corruscans), com ocorrência incomum de parasitos Monogenea
Authors: Jerônimo, Gabriela Tomas
Pádua, Santiago Benites de
Ventura, Arlene Sobrinho
Gonçalves, Eduardo Luiz Tavares
Ishikawa, Márcia Mayumi
Martins, Maurício Laterça
Keywords: Animals
Fish Disease
Host Parasite Interaction
Isolation And Purification
Fish Diseases
Trematode Infections
Host-parasite Interactions
Issue Date: 2016
metadata.dc.publisher.journal: Revista Brasileira de Parasitologia Veterinaria
metadata.dc.relation.ispartof: Volume 25, Número 2, Pags. 179-186
Abstract: This study evaluated the parasite fauna of farmed hybrid surubim (Pseudoplatystoma reticulatum x P. corruscans) and the host-parasite-environment relationship in two fish farms located in Mato Grosso do Sul, Central Brazil, South America. A total of 120 hybrids from two different farms, 60 in each season (30 in the hot and 30 in cold season) were examined during a year. Water quality was weekly measured to evaluate the interaction among environmental conditions and parasitism. Histopathology was used to observe the effects of the parasites and environment on the fish gills. The ciliate protozoan Ichthyophthirius multifiliis and the monogeneans (Ameloblastella sp., Amphocleithrium paraguayensis, Vancleaveus ciccinus, V. fungulus and V. janacauensis) were the most prevalent parasites detected in both seasons in both farms, with prevalence above 80%. It was stated that parasites did not cause important damage in the health status of the hybrid surubim. These results might be related to general good management practices and environmental quality implemented by the fish farmers. The presence of uncommon monogenean parasites to this hybrid compared to their parents causing an environmental and ecological concern is here discussed. © 2016, Brazilain Coll Veterinary Parasitology. All rights reserved.
metadata.dc.identifier.doi: 10.1590/S1984-29612016037
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