Parasitic fauna in hybrid tambacu from fish farms


Autoria(s): Silva,Ronilson Macedo; Tavares-Dias,Marcos; Dias,Maycon Willian Reis; Dias,Márcia Kelly Reis; Marinho,Renata das Graças Barbosa
Data(s)

01/08/2013

Resumo

The objective of this work was to evaluate the parasitic fauna of hybrid tambacu (Colossoma macropomum x Piaractus mesopotamicus) from fish farms and the host-parasite relationship. A hundred and fourteen fish were collected from four fish farms in Macapá, in the state of Amapá, Brazil, 80.7% of which were infected by: Ichthyophthirius multifiliis (Ciliophora); Piscinoodinium pillulare (Dinoflagellida); Anacanthorus spatulatus, Notozothecium janauachensis, and Mymarothecium viatorum (Monogenoidea); Neoechinorhynchus buttnerae (Acanthocephala); Cucullanus colossomi (Nematoda); Perulernaea gamitanae (Lernaeidae); and Proteocephalidae larvae (Cestoda). A total of 8,136,252 parasites were collected from the examined fish. This is the first record of N. buttnerae, C. colossomi, N. janauachensis, M. viatorum, and Proteocephalidae for hybrid tambacu in Brazil. Ichthyophthirius multifiliis was the most prevalent parasite, whereas endohelminths were the less. A positive correlation was observed between number of I. multifiliis and total length and weight of fish, as well as between number of P. gamitanae and total length. The infection by I. multifiliis had association with the parasitism by Monogenoidea. Low water quality contributes to high parasitism of hybrid tambacu by ectoparasites, which, however, does not influence the relative condition factor of fish.

Formato

text/html

Identificador

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2013000800037

Idioma(s)

en

Publicador

Embrapa Informação Tecnológica

Pesquisa Agropecuária Brasileira

Fonte

Pesquisa Agropecuária Brasileira v.48 n.8 2013

Palavras-Chave #Colossoma macropomum #Ichthyophthirius multifiliis #Piaractus mesopotamicus #ectoparasite #native fish #host-parasite relationship
Tipo

journal article