Results 61 to 70 of about 1,635 (153)

Haff's disease in Brazil - the need for scientific follow-up and case notification. [PDF]

open access: yesLancet Reg Health Am, 2022
da Silva Júnior FMR, Dos Santos M.
europepmc   +1 more source

Recomendações técnicas para a reprodução do tambaqui. [PDF]

open access: yes, 2013
Das espécies nativas brasileiras, o tambaqui (Colossoma macropomum) é a mais produzida em cativeiro. Quase a totalidade da produção desse animal puro ocorre nos estados da região Norte do Brasil, com destaque para Rondônia.
DIGMAYER, M.   +7 more
core  

Dendrochronology and growth of Copaifera langsdorffii wood in the vegetation dynamics of the Pirapitinga Ecological Station, state of Minas Gerais, Brazil

open access: yesFLORESTA, 2018
This study aims to build a chronology of the growth rings of Copaifera langsdorffii (copaíba) in order to understand the dynamics of vegetation types that occur on a river island in the Cerrado biome. For this purpose, we selected 30 trees of copaíba established in a vegetation of Mata Seca Sempre-Verde in the Pirapitinga Ecological Station (EEP ...
Daniel Costa de Carvalho   +5 more
openaire   +2 more sources

Development of a multi-species SNP array for serrasalmid fish Colossoma macropomum and Piaractus mesopotamicus. [PDF]

open access: yesSci Rep, 2021
Mastrochirico-Filho VA   +12 more
europepmc   +1 more source

Effects of extenders, cryoprotectants and freezing methods on sperm quality of the threatened Brazilian freshwater fish pirapitinga-do-sul Brycon opalinus (Characiformes)

open access: yesTheriogenology, 2012
The objective was to develop a suitable freezing method to cryopreserve Brycon opalinus (Characiformes) sperm. Extenders (NaCl and glucose at 325 and 365 mOsm/kg), cryoprotectants (dimethyl sulfoxide=dimethyl sulfoxide (DMSO) and methyl glycol=methyl glycol (MG)), equilibration times (15 and 30 min), thawing temperatures (30 and 60 °C), and straw sizes
Viveiros, Ana Tereza de Mendonça   +4 more
openaire   +2 more sources

Genética e conservação de estoques pesqueiros de águas continentais no Brasil: situação atual e perspectivas. [PDF]

open access: yes, 2019
Esta publicação procura traçar um pouco do panorama da pesca em águas continentais do Brasil, o impacto do uso e da degradação ambiental sobre esses recursos e a possibilidade do uso de instrumentos de genética, como uma nova abordagem para o manejo de ...
HILSDORF, A. W. S. RESENDE, E. K. de   +1 more
core  

Estudo histológico dos processos regenerativos da nadadeira caudal do patinga, híbrido de pirapitinga (Piaractus brachypomus) e pacu (Piaractus mesopotamicus)

open access: yesBrazilian Journal of Aquatic Science and Technology, 2010
After partial amputation, teleostean tail fins suffer a regenerative process capable of quickly restoring its original size and shape. This process is called epimorphic regeneration and it is characterized by the following stages: the healing, based on the formation of a multistratified epidermal layer, the formation of a mass of pluripotent cells ...
Beatriz Silva Ochandio   +4 more
openaire   +2 more sources

Age determination by sclerite numbers, and scale variations in six fish species from the Central Amazon (Osteichthyes, Characoidei)

open access: yes, 1984
The scales of 6 different species of three families (Brycon cf. melanopterus (Characidae), Semaprochilodus theraponura (Curimatidae), Semaprochilodus taeniulus (Curimatidae), Prochilodus nigricans (Curimatidae), Curimata cf .
Soares, G., Werder, U.
core  

Alevino - um termo equivocado na piscicultura brasileira com conseqüências no setor produtivo. [PDF]

open access: yes, 2019
Neste trabalho foi proposta uma nomenclatura para cada tamanho de peixe vendido em fazendas de reprodução e, também, foi proposta uma mudança no nome normalmente utilizado em sistemas de criação para peixes pequenos de alevino para ...
ARAÚJO-LIMA, C. A. R. M.   +2 more
core  

Identification and counting of pirapitinga Piaractus brachypomus fingerlings fish using Machine learning with batch normalization

open access: yes
Abstract The identification and counting of fish are relevant tools used for stocking, harvesting, and marketing management of farmed fish. The use of convolutional networks has been used for such purposes, and different approaches have been employed to improve network learning.
Alene Santos Souza   +14 more
openaire   +1 more source

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