Results 1 to 10 of about 1,257 (187)

Seeds of Cucurbita maxima and Carica papaya are effective for controlling monogeneans in the gills of Leporinus macrocephalus [PDF]

Revista Brasileira de Parasitologia Veterinária, 2022
This study was carried out to evaluate the anthelminthic efficacy of seeds of Cucurbita maxima and Carica papaya for controlling monogeneans in the gills of Leporinus macrocephalus, besides hepatosomatic and splenosomatic index and condition factor of ...
Luciano Pereira Negreiros, Vitória Moura Carvalho, Tiago Araújo Lima, Eliane Xavier Sousa, Marcos Tavares-Dias   +4 more
doaj   +2 more sources

Biomarcadores histológicos: toxicidade crônica pelo Roundup em piauçu (Leporinus macrocephalus) Histological biomarkers: chronic toxicity for roundup in piauçu (Leporinus macrocephalus) [PDF]

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2009
Avaliou-se o uso de brânquias, fígado e rins como biomarcadores histológicos em ensaio de toxicidade crônica com o herbicida Roundup® em piauçu (Leporinus. macrocephalus).
A.C.L. Albinati, E.L.T. Moreira, R.C.B. Albinati, J.V. Carvalho, A.D. de Lira, G.B. Santos, L.V.O. Vidal   +6 more
doaj   +5 more sources

Estudo morfológico do tecido hepático de Leporinus macrocephalus - DOI: 10.4025/actascibiolsci.v29i1.157

Acta Scientiarum: Biological Sciences, 2007
O presente trabalho objetivou análise macroscópica e histológica do fígado de Leporinus macrocephalus para avaliar a estrutura do tecido hepático. Os peixes provenientes de um pesqueiro da região de Bauru, Estado de São Paulo, foram anestesiados, mortos,
Maria Terezinha Siqueira Bombonato, Sabrina Santos Rochel, Carlos Alberto Vicentini, Irene Bastos Franceschini Vicentini   +3 more
doaj   +7 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

Parasites in Leporinus macrocephalus (Anostomidae) of four fish farms from the western Amazon (Brazil) [PDF]

Anais da Academia Brasileira de Ciências, 2021
This study evaluated the presence of metazoan parasites in Leporinus macrocephalus from four fish farms from the western Amazon (Brazil). In 160 fish examined, prevalence was 61.9%, and parasites found were: Urocleidoides paradoxus, Urocleidoides ...
LUCIANO P. NEGREIROS, LIGIA R. NEVES, MARCOS TAVARES-DIAS   +2 more
doaj   +5 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

Comparative analysis of sex chromosomes in Leporinus species (Teleostei, Characiformes) using chromosome painting. [PDF]

BMC Genet, 2013
BACKGROUND: The Leporinus genus, belonging to the Anostomidae family, is an interesting model for studies of sex chromosome evolution in fish, particularly because of the presence of heteromorphic sex chromosomes only in some species of the genus.
Parise-Maltempi PP, da Silva EL, Rens W, Dearden F, O'Brien PC, Trifonov V, Ferguson-Smith MA.   +6 more
europepmc   +5 more sources

Digestibilidade aparente de alimentos pelo piavuçu, Leporinus macrocephalus - DOI: 10.4025/actascianimsci.v26i2.1861

Acta Scientiarum: Animal Sciences, 2008
Este estudo teve por objetivo avaliar o coeficiente de digestibilidade aparente da matéria seca, da proteína bruta e a energia bruta de alimentos (farelo de soja, farelo de canola, farinha de peixe e milho), para juvenis de piavuçu, Leporinus ...
Giovani Sampaio Gonçalves, Wilson Massamitu Furuya   +1 more
doaj   +5 more sources

Bioconcentration and Acute Intoxication of Brazilian Freshwater Fishes by the Methyl Parathion Organophosphate Pesticide. [PDF]

Biomed Res Int, 2015
Three species of freshwater Brazilian fishes (pacu, Piaractus mesopotamicus; piavussu, Leporinus macrocephalus, and curimbatá, Prochilodus lineatus) were exposed to an acute dose of 5 ppm methyl parathion organophosphate pesticide. Three to five individuals per species were exposed, one at a time, to 40 liters tap water spiked with Folidol 600 ...
de Salles JB, Lopes RM, de Salles CM, Cassano VP, de Oliveira MM, Bastos VL, Bastos JC.   +6 more
europepmc   +2 more sources

Farinha de vísceras de aves na alimentação de alevinos de piavuçu (Leporinus macrocephalus) Poultry by products in the feeding of piavuçu (Leporinus macrocephalus) fingerlings [PDF]

Ciência Rural, 2007
No presente trabalho, objetivou-se avaliar a inclusão de farinha de vísceras de aves (FV) na alimentação de alevinos de piavuçu (Leporinus macrocephalus).
Arcangelo Augusto Signor, Wilson Rogério Boscolo, Aldi Feiden, Adilson Reidel, Altevir Signor, Ivan Romaldo Grosso   +5 more
doaj   +7 more sources