Results 21 to 30 of about 293 (113)

Quality of semen in the reproductive cycle of Cachara (Pseudoplatystoma fasciatum) raised in captivity

open access: yesActa Scientiarum: Biological Sciences, 2019
In this study, we evaluated the semen quality of Cachara (Pseudoplatystoma fasciatum) raised in captivity during its reproductive period. For the evaluation of qualitative parameters, we analyzed: sperm morphology, sperm motility, and sperm vigor; while
Rodrigo Diana Navarro   +2 more
doaj   +4 more sources

Cestóides proteocefalídeos de "cachara", Pseudoplatystoma fasciatus (L. ) (Pisces, Pimelodidae) de Mato Grosso Proteocephalid cestodes from Pseudoplatystoma fasciatus (L. ) (Pisces, Pimelodidae) from Mato Grosso State, Brazil [PDF]

open access: yesMemorias do Instituto Oswaldo Cruz, 1989
The author describes three species of protcocephalid cestodes from the Pimelodid fish, Pseudoplatystoma fasciatus (L.) from rivers of Mato Grosso, Brazil: Nomimoscolex lopesi sp.
A. Arandas Rêgo
doaj   +3 more sources

Occurrence and significance of ovarian and follicular regression in cachara Pseudoplatystoma fasciatum (Linnaeus, 1766): a histology approach [PDF]

open access: yesArquivo Brasileiro De Medicina Veterinaria E Zootecnia, 2006
The processes of ovarian regression and follicular atresia which reproduction was not induced by hormone in confined cachara, Pseudoplatystoma fasciatum, were investigated. The macro and microscopic characteristics (oocytes diameter and histology) of the ovaries were described every 20 days, in four stages: initial regression (Rg I = first 20 days ...
Antonio Fernando Gervásio Leonardo   +2 more
exaly   +6 more sources

Age and growth parameters of cachara Pseudoplastystoma reticulatum (Siluriformes, Pimelodidae) from the Cuiabá River, Brazil [PDF]

open access: yesIheringia - Serie Zoologia, 2011
Age and growth parameters of cachara Pseudoplatystoma reticulatum (Eigenmann & Eigenmann, 1889) (Siluriformes, Pimelodidae) (males and females) were estimated through the analysis of growth rings in spines of pectoral fins. Fish were collected from January to December 2007, in the area directly influenced by the Aproveitamento Múltiplo de Manso ...
Luiz CARLOS Gomes
exaly   +5 more sources

Dietary protein-to-carbohydrate ratios affect metabolism and growth of juvenile surubim cachara (Pseudoplatystoma reticulatum) [PDF]

open access: yesAquaculture International, 2017
This study was conducted to evaluate the effects of dietary carbohydrates (CHO) and protein on growth performance, nutrient retention, blood metabolites, tissue energy reserves (hepatic glycogen and lipids, mesenteric fat index, and hepatosomatic index), and key metabolic enzyme activities (hexokinase, glucokinase, glucose-6-phosphate dehydrogenase ...
Natalia Ha   +2 more
exaly   +4 more sources

Physiological responses of cacharas Pseudoplatystoma reticulatum submitted to natural anesthetics

open access: yesSemina: Ciências Agrárias, 2014
The present study the aimed to evaluate the induction time, recovery time and physiological responses of cacharas, Pseudoplatystoma reticulatum, submitted to eugenol and menthol. 42 cacharas were exposed to eugenol 100 mgL-1 (n=14) and menthol 150 mgL-1 (
Milena Souza dos Santos Sanchez   +5 more
doaj   +4 more sources

Occurrence and significance of ovarian and follicular regression in cachara Pseudoplatystoma fasciatum (Linnaeus, 1766): a histology approach Ocorrência e importância da regressão ovariana e folicular em cacharas, Pseudoplatystoma fasciatum (Linnaeus, 1766): enfoque histológico

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006
The processes of ovarian regression and follicular atresia which reproduction was not induced by hormone in confined cachara, Pseudoplatystoma fasciatum, were investigated. The macro and microscopic characteristics (oocytes diameter and histology) of the
A.F.G. Leonardo   +3 more
doaj   +2 more sources

Fertilização e desenvolv. embr.: morfometria e análise estereomicroscópica dos ovos dos híbridos de surubins (pintado, Pseudoplatystoma corruscans x cachara, Pseudoplatystoma fasciatum) - DOI: 10.4025/actascibiolsci.v29i1.126

open access: yesActa Scientiarum: Biological Sciences, 2007
O objetivo deste estudo foi analisar a morfometria dos ovos dos híbridos sob estereomicroscópio. Foi realizada a reprodução induzida em exemplares de fêmeas de pintado (P. corruscans) e de machos de cachara (P.
Francine Faustino   +4 more
doaj   +6 more sources

Caracterização do transcriptoma da cachara (Pseudoplatystoma reticulatum) e híbridos com pintado (P. corruscans) com tecnologias de sequenciamento de nova geração [PDF]

open access: yes, 2018
Tese (doutorado)—Universidade de Brasilia, Faculdade de Agronomia e Medicina Veterinaria, 2015.
Villela, Luciana Cristine Vasques
openaire   +2 more sources

Fauna parasitária de cachara Pseudoplatystoma fasciatum (Siluriforme: Pimelodidae) do rio Aquidauana, Pantanal Sul Mato-grossense, Brasil - DOI: 10.4025/actascibiolsci.v30i1.1469

open access: yesActa Scientiarum: Biological Sciences, 2008
Neste trabalho, são apresentados dados de abundância média, prevalência e intensidade média de parasitismo, em 34 espécimes de Pseudoplatystoma fasciatum, popularmente conhecidos como cacharas, capturados nos meses de março, setembro e novembro de 2003 ...
Cristiane Meldau de Campos   +3 more
doaj   +4 more sources

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