Results 61 to 70 of about 258 (103)

Efeitos do parasitismo sobre a estrutura branquial de Leporinus macrocephalus Garavello e Britsk, 1988 (Anastomidae) e Piaractus mesopotamicus Holmberg, 1887 (Osteichthyes:Characidae).

open access: yes, 2006
This work described the lesions caused in different species of fish by gill parasites from fee-fishing at Guariba, State of São Paulo. The research was developed from april, 1997 to march to 1999, seeking to verified the kind tissues lesions from fish ...
de Moraes, Julieta R E   +2 more
core   +2 more sources

Parasitic fauna of tambaqui Colossoma macropomum(Characidae) farmed in cages in the State of Amapá, eastern Amazon

open access: yes, 2017
O objetivo principal deste trabalho foi estudar a parasitofauna e a relação hospedeiro- parasito em tambaqui Colossoma macropomum cultivados em tanques-rede no Rio Matapi, município de Santana, estado do Amapá, região da Amazônia oriental, Brasil.
Neves, Ligia Rigor   +5 more
core  

The effects of formalin and sodium chloride on ectoparasites of imported grass carp (Ctenopharyngodon idella Cuvier and Valenciennes 1844) fingerlings

open access: yes, 1993
Four shipments of grass carp imported from Indonesia were used for this study. The grass carp (Ctenopharyngodon idella Cuvier and Valenciennes 1844) fingerlings were infected by the monogenean (Dactylogyrus lamellatus Akhmerov 1952); protozoans ...
Soemarno, Rindayuni T
core  

Hematological assessment in four brazilian teleost fish with parasitic infections, collected in feefishing from franca, São Paulo, Brazil

open access: yes, 2017
O presente trabalho avaliou os efeitos de infecções parasitárias no fator de condição, na hemoglobina, no hematócrito, na concentração da hemoglobina corpuscular média (CHCM) e na distribuição de leucócitos e trombócitos em Piaractus mesopotamicus ...
Martins, Mauricio L.   +2 more
core  

Primeiro registro da ocorrência de protozoários em tamoatá Hoplosternum littorale no Brasil. [PDF]

open access: yes, 2013
Este estudo relata a primeira ocorrência de protozoários nas brânquias de tamoatá Hoplosternum littorale (Hancock 1828) (Siluriformes: Callichthyidae) no Brasil.
TAVARES-DIAS, M.   +4 more
core  

Seasonal variation on the ectoparasitic communities of Nile tilapia cultured in three regions in Southern Brazil

open access: yes, 2011
A total of 240 Nile tilapia were examined between April 2007 and March 2008, gathered from three different fish farms, 20 fish in each fish farm, in the four seasons of the year.
Elt Gonçalves   +3 more
core  

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