Results 31 to 40 of about 1,720 (199)

Diet-tissue discrimination factors of three neotropical freshwater fishes and a comparison of the trophic position

Journal of Limnology, 2023
The trophic discrimination factor (TDF) is a key parameter for stable isotope analysis and due to a lack of species-specific TDFs, mean universal values have been used, resulting in uncertainties about the trophic position of species and a call for more
Gislaine Iachstel Manetta, Matheus Maximilian Ratz Scoarize, Driele Delanira-Santos, Patrícia Almeida Sacramento, Vinícius de Andrade Urbano, Evanilde Benedito   +5 more
doaj   +1 more source

Megathylacus travassosi sp. n. e Nomimoscolex sudobim Woodland, 1935 (Cestoda - Proteocephalidea) parasitos de Pseudoplatystoma corruscans (Agassiz, 1829) (Siluriformes - Pimelodidae ) do reservatório de Itaipu e Rio Paraná, PR, Brasil) Megathylacus travassosi sp. n. and Nomimoscolex sudobim Woodland, 1935 (Cestoda - Proteocephalidea) parasites of Pseudoplatystoma corruscans (Agassiz, 1829) (Siluriformes - Pimelodidae) from the Itaipu reservoir and Parana River, Parana State, Brazil

Memorias do Instituto Oswaldo Cruz, 1992
It is described Megathylacus travassosi sp. n., parasite of Pseudoplatystoma corrusccans (Agassiz,1829), a pimelodid fish caught in Itaipu reservoir and Paraná river, Brazil.
Gilberto Cezar Pavanelli, Amilcar Arandas Rego   +1 more
doaj   +1 more source

COMPARISON BETWEEN TWO FEEDING RATES AND THREE FEEDING FREQUENCIES FOR HYBRID SURUBIMS REARED IN CAGES

Revista Caatinga, 2018
This study evaluated the effects of feeding frequency and feeding rate on productive performance of hybrid surubims reared in cages with automatic feeding.
JULIANA SVERSUT DE ALEXANDRE BOGIANI, CECÍLIA SILVA DE CASTRO, EDUARDO MIYAMOTO FUKANOKI KUNII, LUCIANO CAETANO DE OLIVEIRA, CLAUDIO ANGELO AGOSTINHO   +4 more
doaj   +1 more source

Eritrograma de híbridos de surubim (Pseudoplatystoma reticulatum X P. coruscans) mantidos em diferentes densidades de estocagem

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2012
The blood profile of hybrid fish was studied. Pseudoplatystoma (P. coruscans X P. reticulatum) were submitted to different stocking densities in recirculating water system in two distinct phases of production.
C.R. Labarrère, P.M.C. Faria, E.A. Teixeira, M.M. Melo   +3 more
doaj   +1 more source

Selenium/mercury molar ratio and Health Benefit Value for selenium of migratory catfish from Meta River, Colombia [PDF]

Brazilian Journal of Biology
The study estimated the risk associated with the consumption of five large migratory catfish species for the health of the most vulnerable population, identifying the total mercury and selenium concentrations, the Se/Hg molar ratio, and the Health ...
S. Valbuena-Rodríguez, M. A. Ramírez-Niño, M. A. Navarro-Ramírez   +2 more
doaj   +1 more source

Desempenho produtivo do cachara e hí­­brido cachapinta

Boletim do Instituto de Pesca, 2017
Objetivou-se comparar o desempenho zootécnico do cachara, Pseudoplatystoma reticulatum, e do hí­­brido cachapinta, P. reticulatum í­"” Pseudoplatystoma corruscans, produzidos em tanques-rede.
Letícia Emiliani FANTINI, Guilherme Nunes KINJO JUNIOR, Rhayssa Silva PEREIRA, Luana Barbosa PIRES, Ruy Alberto Caetano CORRÊ A FILHO, Jayme Aparecido POVH   +5 more
doaj   +1 more source

Hyperparasitism by helminths: new records of cestodes and nematodes in proteocephalid cestodes from South American siluriform fishes Hiperparasitismo por helmintos: novas ocorrências de cestóides e nematóides em cestóides proteocefalídeos de peixes siluriformes da América do Sul

Memorias do Instituto Oswaldo Cruz, 1989
Proteocephalid cestode hyperparasite are reported from numerous proteocephalids occurring in pimelodid fishes in different regions of Brazil. In addition, three specimens of a nematode hyperparasite are reported from the proteocephalid cestode ...
Amilcar Arandas Rego, David I. Gibson
doaj   +1 more source

Biología reproductiva de Pseudoplatystoma punctifer (Castelnau, 1855) ¨doncella¨ Y Pseudoplatystoma tigrinum (Valenciennes, 1840) ¨tigre zungaro¨, en San Pablo de Loreto, Río Amazonas, Loreto-Perú [PDF]

, 2023
The present work had the purpose of knowing the reproductive biology of Pseudoplatystoma punctifer (Castelnau, 1855) ¨doncella¨ and Pseudoplatystoma tigrinum (Valenciennes, 1840) “Tigre zungaro”, in the lower Amazon river basin during the period from ...
Macedo Mendoza, Sergio Fernando
core  

Pseudoplatystoma fasciatum

, 2007
Pseudoplatystoma fasciatum (Linnaeus, 1766) (Figure 10, Table 1) Silurus fasciatus Linnaeus, 1766:505. Type locality: Brazil and Suriname. Mees (1974:129), as first revisor, restricted the type locality of P. fasciatum to Suriname. Holotype unknown. Platystoma artedii Günther, 1864:164. Type locality: South America. Type(s): unknown. Historical review.
Uriel Angel Buitrago-Suárez, Brooks M. Burr   +1 more
openaire   +2 more sources

Lactococosis en Pseudoplatystoma reticulatum

Revista Veterinaria, 2017
La lactococosis fue reportada a nivel mundial en numerosas especies de peces, ocasionando elevadas pérdidas económicas. seudoplatystoma reticulatum es una especie autóctona del río Paraná muy apreciada para el consumo, por lo cual la evaluación de las patologías en los cultivos intensivos es importante.
Flores Quintana, Carolina Isabel, Guidoli, Marcos Gabriel, Domitrovic, Hugo Alberto, Blanco Cohene, Tania Katherina   +3 more
openaire   +3 more sources