Results 21 to 30 of about 1,276 (199)

Analysis of the nucleolus organizer regions in 5 species of the genusPimelodus(Siluriformes, Pimelodidae), using AgNO₃, CMA₃and FISH with the 18S rDNA probe

Folia biologica, 2004
A cytogenetic study was conducted on two species of the genus Pimelodus that were collected from the Piquiri river, Paraná, Brazil: Pimelodus paranaensis and Pimelodus heraldoi. Both had a diploid number of 2n=56 chromosomes and a fundamental number (FN) of 104. In P.
Lenice de Souza, Ana Claúdia Swarça, Ana Lúcia Dias   +2 more
openalex   +3 more sources

Biologia do jundiá Rhamdia quelen (Teleostei, Pimelodidae) [PDF]

Ciência Rural, 2000
O jundiá, Rhamdia quelen, é encontrado desde o centro da Argentina até o sul do México, e seu cultivo está aumentando no sul do Brasil. Portanto, o objetivo desta revisão é apresentar os dados existentes até o momento sobre a biologia dessa espécie. R. quelen pode atingir 50cm de comprimento e 3kg de peso, possui hábito noturno e habita locais calmos e
Gomes, Levy de Carvalho, Golombieski, Jaqueline Ineu, Gomes, Adriana Regina Chippari, Baldisserotto, Bernardo   +3 more
openaire   +3 more sources

Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance. [PDF]

Food Sci Nutr
Even though histamine plays an important role in human health, it has been associated with food intoxication and intolerance episodes. The most relevant, current state of knowledge regarding histamine's biochemical and health aspects is provided. Histamine levels are provided for 17 food groups, including 335 food types and 11,437 samples, allowing ...
Gloria MBA, Diniz FB, Dala-Paula BM, Philadelpho B, Gonçalves JE, Ferreira ES, Sarkadi LS.   +6 more
europepmc   +2 more sources

Transferability of heterologous microsatellite primers in Leiarius marmoratus

Semina: Ciências Agrárias, 2020
The Amazonian Jundiá (Leiarius marmoratus) (Siluliformes: Pimelodidae) is a species of catfish with social and economic importance in some South American countries such as Brazil and Colombia. Genetic evaluation of this species is limited due to the lack
Victor César Freitas Pandolfi, Andrei Lincoln Yamachita, Felipe Pinheiro de Souza, Ed Christian Suzuki de Lima, Denise Rocha Ayres, Annaiza Braga Bignardi, Jayme Aparecido Povh, Ulisses de Pádua Pereira, Angela Maria Urrea-Rojas, Nelson Mauricio Lopera-Barrero   +9 more
doaj   +1 more source

Genetic Variation of the Endangered Neotropical Catfish Steindachneridion scriptum (Siluriformes: Pimelodidae) [PDF]

Frontiers in Genetics, 2018
Steindachneridion scriptum is an important species as a resource for fisheries and aquaculture; it is currently threatened and has a reduced occurrence in South America. The damming of rivers, overfishing, and contamination of freshwater environments are the main impacts on the maintenance of this species.
Rômulo V. Paixão, Rômulo V. Paixão, Josiane Ribolli, Josiane Ribolli, Evoy Zaniboni-Filho, Evoy Zaniboni-Filho   +5 more
openaire   +3 more sources

Structural chromosome polymorphism in a Pimelodus maculatus La Cepède, 1803 population (Siluriformes, Pimelodidae) from the Paranapanema River basin, PR, Brazil Polimorfismo cromossômico estrutural em uma população de Pimelodus maculatus La Cèpede, 1803 (Siluriformes, Pimelodidae) da bacia do Rio Paranapanema, PR, Brasil

Brazilian Journal of Biology, 2007
In the present cytogenetic study of Pimelodus maculatus, 13 specimens (8 males and 5 females) from the Congonhas Stream in Paraná State, Brazil, were examined using conventional staining.
J. Mazzuchelli, AC. Swarça, AL. Dias
doaj   +1 more source

Redescriptions of two little-known pimelodid catfishes from the São Francisco River basin, Brazil: Duopalatinus emarginatus and Bagropsis reinhardti (Teleostei: Siluriformes) [PDF]

Neotropical Ichthyology
The São Francisco River basin in eastern Brazil harbors a highly endemic ichthyofauna, including the poorly known pimelodid catfishes Duopalatinus emarginatus and Bagropsis reinhardti.
Marcelo Salles Rocha, John G. Lundberg, Paulo dos Santos Pompeu, Carlos Bernardo M. Alves   +3 more
doaj   +1 more source

On some trematodes parasites of fishes from Paraná River [PDF]

Brazilian Journal of Biology, 2001
Crassicutis cichlasomae Manter, 1936 is redescribed for the first time in South America and from a new host: Geophagus brasiliensis (Cichlidae). Iheringtrema iheringi Travassos, 1948 is redescribed for the first time since its original description from ...
B. M. M. FERNANDES, A. KOHN
doaj   +1 more source

Dimethyl acetamide and dimethyl sulfoxide associated at glucose and egg yolk for cryopreservation of Pseudoplatystoma corruscans semen [PDF]

Neotropical Ichthyology, 2023
This study aimed to develop a protocol for the cryopreservation of Pseudoplatystoma corruscans semen. For this, mature males were hormonally induced with a single dose of carp pituitary extract (5 mg/kg body weight).
Johanna Maritza Cano Velarde, Natalia Marins Bastos, Laícia Carneiro-Leite, Laís Pedroso Borges, Edson Guilherme Vieira, Rosicleire Veríssimo-Silveira, Alexandre Ninhaus-Silveira   +6 more
doaj   +1 more source

Chilling sensitivity of Steindachneridion parahybae (Siluriformes: Pimelodidae) oocytes in different cryoprotectants. [PDF]

Vet Anim Sci, 2019
The viability of post-thaw fish oocytes can be affected by different stages of the freezing process, such as cryoprotectant toxicity, cold sensitivity, freezing curves and thawing. Therefore, these steps need to be investigated for the development of a protocol.
Lopes TDS, Sanches EA, Caneppele D, Silveira MM, Romagosa E.   +4 more
europepmc   +5 more sources