Results 41 to 50 of about 489 (155)
Dietary protein levels in Piaractus brachypomus submitted to extremely acidic or alkaline pH
The objective this study was to evaluate the effects of dietary protein levels in pirapitinga, Piaractus brachypomus, submited to extremely acidic or alkaline pH.
Luciano de Oliveira Garcia +3 more
doaj +1 more source
COMIDA E CULTURA: ANTROPOLOGIA DA ALIMENTAÇÃO EM COMUNIDADES RURAIS DO PARANÁ
This article is dedicated to the analysis of the food habits of three rural communities in northwestern Paraná, Brazil, family farming, they are: Pirapitinga, Marajó and Santa Rita.
Stefany Ferreira Feniman, +1 more
doaj +5 more sources
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
A. Viveiros +4 more
semanticscholar +3 more sources
Several barcode loci targeting teleost fish and elasmobranchs have previously been developed, but to date primer sets focusing on other marine megafauna, such as marine mammals, have received less attention. Similarly, there have been few attempts to identify potentially “universal” barcode loci which may be informative across multiple marine ...
Elena Valsecchi +7 more
wiley +1 more source
On Dactylogyridae (Monogenea) of four species of characid fishes from Brazil [PDF]
Material collected from the fishes from the dams and fish farms of the Departamento Nacional de Obras contra asSecas (DNOCS) and from the tanks of the Itaipu Hydroelectric Station was examined in order to analyze the index andthe infestation of Monogenea.
Cohen, S. C., Kohn A.
doaj +4 more sources
Produção de frutos de espécies da floresta de Várzea da Amazônia Central importantes na alimentação de Peixes [PDF]
Com o objetivo de quantificar a contribuição que quatro espécies, Cassia leiandra Benth., Crescentia amazonica Ducke, Macrolobium acaciifolium (Benth.) Benth. e Vitex cymosa Bert.
Lúcia Alencar ΜΑΙΑ +1 more
doaj +1 more source
Recently, the large migratory fishes of the family Serrasalmidae (Piaractus brachypomus and P. orinoquensis) were described as restricted to the Orinoco and Amazon basins. Both species provide important ecosystem services.
María Doris Escobar L. +2 more
doaj +1 more source
Effect of Lippia grata essential oil as a feed additive on the performance of tambatinga juveniles [PDF]
Lippia grata (formerly known as Lippia gracillis) is an aromatic plant native to Brazil, with leaves rich in essential oils that possess significant biological activities. We evaluated the effect of essential oil of L.
Thaisa Sales COSTA +6 more
doaj +1 more source
The objective of this work was to evaluate qualitative semen parameters and to compare the morphology of the sperm head among three fish species, Piaractus mesopotamicus, Piaractus brachypomus and Colossoma macropomum.
E. G. Gregorin +5 more
semanticscholar +1 more source
Muscle biopsy technique for electrophoresis analysis of fish from the genus Brycon
Protein and mitochondrial DNA have been used as molecular markers to assess variability in stock identification studies of fishes. Protein and mtDNA used for electrophoretic analysis are extracted from tissues, which often leads to death of the ...
Alexandre Hilsdorf +2 more
doaj +1 more source

