Results 41 to 50 of about 650 (189)

Surubim-do-Paraíba oocytes viability after being exposed to different cryoprotectants [PDF]

open access: yesCiência Rural, 2018
ABSTRACT: To know the non-toxic cryoprotectants to fish oocytes is of extreme importance for tests that aim to increase oocyte resistance to cold, thus allowing more advanced studies in cryopreservation. Therefore, commonly used cryoprotectants such as methanol, dimethyl sulfoxide, ethylene glycol, propylene glycol, sucrose and fructose were studied ...
Taís da Silva Lopes   +3 more
openaire   +5 more sources

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

Histopathological changes in surubim Pseudoplatystoma coruscans subjected to high levels of vitamin C

open access: yesMedicina Veterinária (UFRPE), 2019
This study evaluated the supplementation of vitamin C in diets for Pseudoplatystoma coruscans (surubim) juveniles. The effects of high concentrations of vitamin C were evaluated through the histological skin alterations regarding the structure of epidermis and collagen deposition.
Fujimoto, Rodrigo Yudi   +4 more
openaire   +4 more sources

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

Dietary Levamisole as Immunostimulant for Striped Surubim, Pseudoplatystoma reticulatum

open access: yesJournal of the World Aquaculture Society, 2014
AbstractImmunostimulants are better suited for disease control than using drugs and chemicals as remedies in animal production. This study evaluates effects of dietary levamisole on growth and immunological parameters response of Pseudoplatystoma reticulatum.
Ricardo Basso Zanon   +3 more
openaire   +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

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

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

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

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