Results 1 to 10 of about 168 (133)

Alimentação da piava (Leporinus obtusidens) com diferentes fontes protéicas [PDF]

Ciencia Rural, 2006
A piava (Leporinus obtusidens) é um peixe nativo de grande importância nas bacias hidrográficas do Sul do Brasil. Neste estudo, verificou-se o crescimento de juvenis de piava alimentados durante 60 dias com três dietas contendo diferentes fontes ...
Rafael Lazzari, Fabio De Araújo Pedron   +1 more
exaly   +6 more sources

Glyphosate on digestive enzymes activity in piava (Leporinus obtusidens) [PDF]

Ciencia Rural, 2014
The effects of glyphosate, a nonselective herbicide (1.0 or 5.0mg L-1) on digestive enzymes activity (stomach and intestine) were evaluated in juveniles of piava (Leporinus obtusidens) after 90 days of exposure.
Joseânia Salbego, Vania Lucia Loro, Rafael Lazzari   +2 more
exaly   +5 more sources

Suplementação da dieta de alevinos de piauçu (Leporinus obtusidens) com vitamina C [PDF]

Scientia Agricola, 1999
O experimento teve como objetivo avaliar a influência da suplementação de vitamina C na dieta sobre o desempenho de alevinos de piauçu (Leporinus obtusidens).
JOSÉ Eurico Possebon Cyrino, Cyrino José Eurico Possebon   +1 more
exaly   +5 more sources

External Morphology of Leporinus oliveirai (Characiformes: Anostomidae) During Early Life Stages. [PDF]

J Morphol
Herein, we describe the early development of Leporinus oliveirai, a recently described species, documenting its external morphology with photographs and illustrations. The ontogeny of L. oliveirai is compared with other anostomids and developmental patterns are described for the family.
Ito ISB, Boaretto MP, Venturieri M, Bialetzki A, Birindelli JLO.   +4 more
europepmc   +2 more sources

Ontogeny of the Skeleton of Leporinus oliveirai (Characiformes, Anotomidae). [PDF]

J Morphol
In this study, we provide the first complete description of the skeleton ontogeny of an anostomid. The developmental sequence of 141 bony elements is described and illustrated. The main discoveries are numerous conical teeth on the premaxilla and dentary that are replaced with three or four large incisiform multicuspid teeth, that become unicuspid in ...
Boaretto MP, Venturieri M, Birindelli JLO.   +2 more
europepmc   +2 more sources

A new species of Leporinus Agassiz, 1829 from the upper Rio Paraná basin (Characiformes, Anostomidae) with redescription of L. elongatus Valenciennes, 1850 and L. obtusidens (Valenciennes, 1837)

Papeis Avulsos De Zoologia, 2012
Leporinus obtusidens Valenciennes, 1837 and L. elongatus Valenciennes, 1850 are redescribed based on the type specimens, including those of their junior synonyms, and recently collected specimens.
Heraldo A Britski, JOSÉ L O Birindelli
exaly   +3 more sources

Chromosome mapping of repetitive sequences in Anostomidae species: implications for genomic and sex chromosome evolution [PDF]

Molecular Cytogenetics, 2012
Background Members of the Anostomidae family provide an interesting model system for the study of the influence of repetitive elements on genome composition, mainly because they possess numerous heterochromatic segments and a peculiar system of female ...
da Silva Edson Lourenço, de Borba Rafael Splendore, Parise-Maltempi Patrícia Pasquali   +2 more
doaj   +2 more sources

Reproductive dynamics of Leporinus obtusidens captured downstream from an important hydropower Station in Brazil

Arquivo Brasileiro De Medicina Veterinaria E Zootecnia, 2013
This study evaluated the reproductive dynamics and gonadal morphology of piaparas (Leporinus obtusidens) captured downstream from the Funil Hydroelectric Power Station. The 107 piaparas evaluated were captured monthly from Sep 2006 to Aug 2007.
Marcio Gilberto Zangeronimo, S F Costa, Zangeronimo M G   +2 more
exaly   +3 more sources

Evaluation of trace metals (cadmium, chromium, copper and zinc) in tissues of a commercially important fish (Leporinus obtusidens) from Guaíba Lake, Southern Brazil

Brazilian Archives of Biology and Technology, 2009
Concentrations of Cd, Cr, Cu and Zn were determined in liver and muscle of Leporinus obtusidens. During 2003, the fishes (N = 54) were sampled from three sites along Guaíba Lake (north, central and south zones).
Sandra Maria Hartz, Hartz Sandra Maria
exaly   +3 more sources

Cross species amplification and characterization of microsatellite markers in Leporinus friderici (Characiformes, Anostomidae) [PDF]

Ciência Rural, 2020
: Leporinus friderici is a migratory neotropical fish with elevated ecological and economic importance in Brazil. Microsatellite markers are highly important in population genetic studies, management, and conservation programs; however, no markers are ...
Caio Felipe da Silva, Diego Galetti Martins, Fernanda Dotti do Prado, Ricardo Utsunomia, Fausto Foresti, Fábio Porto-Foresti   +5 more
doaj   +1 more source