Buscar
Mostrando ítems 1-10 de 263
Serologic evidence of Toxoplasma gondii infection in wild birds and mammals from Southeast Brazil
(American Association of Zoo VeterinariansYulee, 2014-03)
In this study, serum samples of 53 wild animals from two different states from the southeast region of Brazil were analyzed for the presence of anti–Toxoplasma gondii antibodies by the modified agglutination test (MAT), ...
Migratory and Carnivorous Birds in Brazil: Reservoirs for Anaplasma and Ehrlichia Species?
(Mary Ann Liebert, Inc., 2012-08-01)
In order to investigate new hosts for Anaplasmataceae agents in Brazil, we collected blood samples from 21 wild birds. Using molecular techniques, we detected the presence of Anaplasma phagocytophilum, Ehrlichia chaffeensis, ...
Can achene selection in sunflower crop–wild hybrids by pre-dispersal seed predators hasten the return to phenotypically wild sunflowers?
(Springer, 2015-04-16)
Bird attack is a serious limitation to sunflower yield in several regions of the world, but it could also cause selection. The wild Helianthus annuus, naturalized in several regions of the world, hybridizes with the crop ...
Presence of antibodies against H5, H7 and H9 influenza a virus in wild birds in the state of São Paulo, Brazil
(2013-10-10)
Although the natural reservoirs of the avian influenza (AI) virus have been extensively studied in many countries, there is a clear lack of information on this subject in South America, particularly in Brazil. The objective ...
Ticks infesting birds in Atlantic Forest fragments in Rio Clam, State of Sao Paulo, Brazil
(Brazilian Coll Veterinary Parasitology, 2012-01-01)
In the present study, we report tick infestations on wild birds in plots of the Atlantic Forest reforested fragments with native species and plots reforested with Eucalyptus tereticornis in the municipality of Rio Claro, ...
Avian Influenza in wild birds from Chile, 2007-2009
(Elsevier, 2015)
© 2015 Elsevier B.V.Aquatic and migratory birds, the main reservoir hosts of avian influenza viruses including those with high pathogenic potential, are the wildlife species with the highest risk for viral dissemination ...
First record of mass wild waterfowl mortality due to Clostridium botulinum in Brazilian semiarid
(Acad Brasileira De Ciencias, 2020-01-01)
In 2008, 270 wild birds from aquatic environments were found dead or debilitated on the banks of smaller lakes that had been formed due to the decrease in the level of the holding lake of the Sobradinho Dam located on the ...
Erythrocyte micronucleus cytome assay of 17 wild bird species from the central Monte desert, Argentina
(Springer Heidelberg, 2016-09)
Birds have the potential to be considered valuablebioindicators of the quality of ecosystems and the environmentalimpact of pollutants. The aims of this study were todetermine the micronuclei frequency and other nuclear ...
Wild birds and urban pigeons as reservoirs for diarrheagenic Escherichia coli with zoonotic potential
(2017-05-01)
In order to describe the role of wild birds and pigeons in the transmission of shiga toxigenic Escherichia coli (STEC) and enteropathogenic Escherichia coli (EPEC) to humans and other animals, samples were collected from ...
Genotyping of Cryptosporidium spp. from free-living wild birds from Brazil
(Elsevier Science Bv, 2011)
In wild and domestic birds, cryptosporidiosis is often associated with infections by Cryptosporidium galli, Cryptosporidium baileyi and Cryptosporidium meleagridis. In addition to these species, a number of avian Cryptosporidium ...