Results 41 to 50 of about 258 (155)
The survival and the growth of Pseudoplatystoma corruscans larvae exposed to four photoperiods: light:dark (LD) 0:24, LD 10:14, LD 14:10, and LD 24:0, in a brackish water (5‰) culture were analyzed. Larvae were fed with Artemia sp. nauplii at a 500
R. Campagnolo, A.P.O. Nuñer
doaj +1 more source
Surubim-do-Paraíba oocytes viability after being exposed to different cryoprotectants [PDF]
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
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
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
Dietary Levamisole as Immunostimulant for Striped Surubim, Pseudoplatystoma reticulatum
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
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
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
Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
Cidimar E. de Assis +7 more
wiley +1 more source
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
ABSTRACT Forage production in semi‐arid regions of Brazil is limited by water deficit. This study aimed to identify the most adapted and efficient production systems and define their agricultural calendars for the semi‐arid region of Brazil. Twenty‐nine production arrangements that included different cropping conditions, plant density, plant cycles ...
Antonio Gebson Pinheiro +15 more
wiley +1 more source

