| outbreak of mortality among cage-reared cobia (rachycentron canadum) associated with parasitism. | this study reports a disease outbreak among juvenile cobia (rachycentron canadum) farmed in cages in the state of rio de janeiro, brazil, caused by the dinoflagellate amyloodinium ocellatum and the monogenean neobenedenia melleni. two thousand five hundred fish were stocked at 0.4 kg/m3 in a set of 12 m3 tanks, in autumn (mean weight 15.0 ± 7.3 g) and in winter (mean weight 43.0 ± 5.6 g). freshwater baths were administered as a routine treatment, as the symptoms were detected followed by two col ... | 2014 | 24473886 |
| [occurrence of neobenedenia melleni (monogenea: capsalidae) in trichiurus lepturus (perciformes: trichiuridae), naturally infested of coastal zone of rio de janeiro, brazil]. | neobenedenia melleni (maccallum, 1927) is a widely spread pathogen in teleost maricultures with a very low host specificity. between july of 2006 to june of 2007, 120 specimens of trichiurus lepturus linnaeus, 1758 were acquired of local fishermen in the guanabara bay (22 degrees 57' s and 42 degrees 41' w), state of rio de janeiro, brazil, to the study of the parasite fauna. the surface of the host body was scraped and the monogeneans obtained were identified as n. melleni, which showed prevale ... | 2009 | 20040197 |