Results 41 to 50 of about 721 (159)

Atividade de amilase em quimo de três espécies tropicais de peixes teleostei de água doce Amylase activity in the chyme of three teleostei freshwater fish

open access: yesRevista Brasileira de Zootecnia, 1999
O objetivo deste trabalho foi determinar a atividade de amilase no quimo presente nos intestinos médio e posterior, ou reto, em três espécies tropicais de peixes Teleostei de água doce: piracanjuba, Brycon orbignyanus (Valenciennes, 1849), piau ...
José Teixeira de Seixas Filho   +4 more
doaj   +1 more source

Avaliação de alimentos e exigências de energia e proteína para juvenis de surubim (Pseudoplatystoma spp) [PDF]

open access: yes, 2008
Found in the major South American river basins, the surubim (Pseudoplatystoma sp) is Pimelodidae family fish and have great economic importance. It possesses nocturnal characteristics and carnivorous alimentary habits.
Edgar de Alencar Teixeira
core   +1 more source

Reproduction of the surubim catfish (Pisces, Pimelodidae) in the São Francisco River, Pirapora Region, Minas Gerais, Brazil Reprodução do surubim (Pisces, Pimelodidae) do Rio São Francisco, Região de Pirapora, Minas Gerais

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2003
The reproductive biology of the surubim, P. coruscans of the São Francisco River, in the Pirapora region was studied from December/98 to November/99. Reproduction occurred between October and January with high frequency of fishes in the advanced ripening/
M.F.G. Brito, N. Bazzoli
doaj   +1 more source

Oocyte surface in four teleost fish species postspawning and fertilization

open access: yesBrazilian Archives of Biology and Technology, 1998
Cytological and cytochemical studies were carried out to investigate the surface characteristics of oocytes of four teleost species from the São Francisco river.
Elizete Rizzo   +3 more
doaj   +1 more source

Genetic Structure and Conservation Strategies for the Endangered Catfish Steindachneridion melanodermatum (Siluriformes, Pimelodidae) in the Iguaçu River, Brazil

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 6, June 2026.
ABSTRACT The endemic catfish Steindachneridion melanodermatum from the Iguaçu River basin, southern Brazil, is one of the most threatened pimelodid species. Comprehension of its genetic structure is imperative to the formulation of long‐term efficacious conservation strategies. A genetic analysis was conducted on three populations from the lower Iguaçu
Jesús Hernández‐Gómez   +8 more
wiley   +1 more source

Ichthyofauna Used in Traditional Medicine in Brazil

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2012, Issue 1, 2012., 2012
Fish represent the group of vertebrates with the largest number of species and the largest geographic distribution; they are also used in different ways by modern civilizations. The goal of this study was to compile the current knowledge on the use of ichthyofauna in zootherapeutic practices in Brazil, including ecological and conservational commentary
Ana Carla Asfora El-Deir   +9 more
wiley   +1 more source

Treinamento alimentar de juvenis de Surubim Híbrido. [PDF]

open access: yes, 2011
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Curso de Engenharia de Aquicultura.O surubim híbrido (Pseudoplatystoma corruscans x P.
Maia, Cláudia Rodrighero
core  

Produção e caracterização de um marcador potencial de linfócitos T em surubim híbrido (Pseudoplatystoma corruscans X P. fasciatum) - DOI: 10.4025/actascibiolsci.v26i2.1636

open access: yesActa Scientiarum: Biological Sciences, 2008
O presente trabalho objetivou a produção e caracterização de um anticorpo monoclonal (PST 33) reativo com os timócitos e linfócitos T de surubim híbrido.
Roger Beelen   +5 more
doaj   +1 more source

Exigência energética em dietas para juvenis de cachara, Pseudoplatystoma reticulatum [PDF]

open access: yes, 2013
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-Graduação em Aquicultura, Florianópolis, 2013.Cachara, Pseudoplatystoma reticulatum, é um bagre carnívoro de água doce que possui alto valor ...
Cunha, Douglas Amaral da
core  

Dinâmica populacional do Surubim-tigre, Pseudoplatystoma Tigrinum (Valenciennes, 1840) no médio Amazonas (Siluriformes, Pimelodidae) [PDF]

open access: yesActa Amazonica, 1999
Dados de comprimento e de captura e esforço da pesca do surubim-tigre (Pseudoplatystoma tigrinum) obtidos durante o período de 1993 a 1996, no Médio Amazonas, foram utilizados para descrever as pescarias e estimar as taxas de crescimento e mortalidade da
Mauro Luis RUFFINO   +1 more
doaj   +1 more source

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