Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Ricardo Berteaux Robaldo"'
Autor:
Alinca Peres da Fonseca, Matheus Vieira Volcan, Luís Alberto Romano, Ricardo Berteaux Robaldo
Publikováno v:
Neotropical Ichthyology, Vol 16, Iss 4 (2018)
ABSTRACT Laboratory breeding of annual fish is often impaired when fish fail to inflate the swim bladder after hatching. These fish, which are known as belly-sliders, cannot swim in the water column, moving mainly on the bottom of water. Therefore, w
Externí odkaz:
https://doaj.org/article/3ea519d4cf2f4f509e63f7b4d3ce7486
Acuariidae (Nematoda) in Procellariiformes (Aves) on the southern coast of Rio Grande do Sul, Brazil
Autor:
Camila Costa Schramm, Carolina Silveira Mascarenhas, Silvia Bainy Gastal, Simone Scheer, Gertrud Müller, Ricardo Berteaux Robaldo
Publikováno v:
Revista Brasileira de Parasitologia Veterinária, Iss 0 (2018)
Abstract Acuariidae nematodes are normally found in the digestive tract of aquatic birds, including Procellariiformes. Were examined Calonectris borealis (n = 4), Diomedea exulans (n = 1), Macronectes giganteus (n = 8), Thalassarche chlororhynchos (n
Externí odkaz:
https://doaj.org/article/b3d590631d0241288dc6c734b1cc4098
Autor:
Gabriel Bernardes Martins, Sérgio Renato Noguez Piedras, Juvêncio Luís Osório Fernandes Pouey, Denise Calisto Bongalhardo, Ricardo Berteaux Robaldo
Publikováno v:
Ciência Rural, Vol 45, Iss 3, Pp 458-463 (2015)
Attempting to improve reproduction performance and ichthyo prophylaxis, this study evaluated the effects of maintaining silver catfish (Rhamdia quelen) broodstock in different saline concentrations (0, 2, 4, 6 and 8‰) on gametes quality and reprodu
Externí odkaz:
https://doaj.org/article/1129b710cab847678d0e481e5e0641b9
Autor:
Bruna Ferraz Corrêa, Franciele Elisa Stohl, Ricardo Berteaux Robaldo, Daniela Isabel Brayer Pereira
Publikováno v:
Ciência Rural, Vol 43, Iss 6, Pp 1021-1024 (2013)
Com o aumento da produtividade na piscicultura, os peixes são expostos a altas densidades de estocagem que podem levar ao estresse e imunossupressão. Essa condição favorece a ocorrência de infecções, entre elas a saprolegniose que afeta os pei
Externí odkaz:
https://doaj.org/article/58c2386f991749d3a4b7baff8e1b9719
Autor:
Diego Moreira de Souza, Gabriel Bernardes Martins, Sérgio Renato Noguez Piedras, Juvêncio Luís Osório Fernandes Pouey, Ricardo Berteaux Robaldo, Fabio Pereira Leivas Leite
Publikováno v:
Revista Brasileira de Zootecnia, Vol 41, Iss 3, Pp 815-819 (2012)
The objective of this study was to evaluate the use of Bacillus cereus var. toyoi and Saccharomyces boulardii as probiotics to improve Rhamdia quelen culture. Six hundred larvaes (0.16±0.07 g) were divided in three replicate tanks (25-L recirculatio
Externí odkaz:
https://doaj.org/article/4f57d05f314a4a67a165d2d5b7c02731
Autor:
Vinicius Farias Campos, Tiago Veiras Collares, Fabiana Kömmling Seixas, João Carlos Deschamps, Luis Fernando Fernandes Marins, Marcelo Hideo Okamoto, Luís André Nassr Sampaio, Ricardo Berteaux Robaldo
Publikováno v:
Ciência Rural, Vol 41, Iss 11, Pp 1927-1930 (2011)
The objective of this study was to evaluate neuropeptide Y (NPY) and sea bream gonadotropin-release hormone (sbGnRH) gene expression in juvenile and adult males of Brazilian flounder. Hypothalamuses from fish were sampled for total RNA extraction. Af
Externí odkaz:
https://doaj.org/article/261fa53eaf9a4208857a54fd9b4dd065
Publikováno v:
Memorias do Instituto Oswaldo Cruz, Vol 93, Iss 3, Pp 303-307 (1998)
Acanthocollaritrema umbilicatum Travassos, Freitas and Bührnheim, 1965, is the only species of Acanthocollaritrematidae described up to the moment. The systematic position of this species and the validity of the family has been questioned by the pos
Externí odkaz:
https://doaj.org/article/b962c86126b9497996db937d3a3ec092
Autor:
Alinca Peres da Fonseca, Matheus Vieira Volcan, Luís André Sampaio, Luís Alberto Romano, Ricardo Berteaux Robaldo
Publikováno v:
Neotropical Ichthyology, Vol 11, Iss 4, Pp 837-844
Given the importance of knowledge of the biology of endangered species for the planning of conservation and management efforts, the aim of this study was to investigate the influence of temperature on the growth of Austrolebias wolterstorffi (Ahl, 19
Externí odkaz:
https://doaj.org/article/7953bad0ffa742f0bf85921e0be5a444
Autor:
Gustavo M. Somoza, Antonio Sergio Varela Junior, Ricardo Berteaux Robaldo, Tony Silveira, Eduardo N. Dellagostin, William Borges Domingues, Carine Dahl Corcini, Mariana H. Remião, Adalto Bianchini, Patrícia Gomes Costa, Vinicius Farias Campos, Amanda Weege Da Silveira Martins
Publikováno v:
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Roundup Transorb® (RDT) is a glyphosate-based herbicide commonly used in agricultural practices worldwide. This herbicide exerts negative effects on the aquatic ecosystem and affects bioenergetic and detoxification pathways, oxidative stress, and ce
Autor:
Gilson de Mendonça, Cintia Macedo Costa, Ricardo Berteaux Robaldo, Juliana Pereira Fonseca, Diego Moreira de Souza, Eduardo Luis Cupertino Ballester, Loani Weber Garcia
Publikováno v:
Brazilian Journal of Animal and Environmental Research. 4:1895-1901
Tilapia fingerlings (0.5 ± 0.08g) were reared during the nursery phase in two different stocking densities (0.5 fish/m2 for control in a pond of 600m² and 75 fish/m2 for compensatory group in a cage of 4m²) for a period of 100 days. After this per