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1.
Rev. Soc. Bras. Med. Trop ; 50(2): 248-250, Mar.-Apr. 2017. tab
Article in English | LILACS | ID: biblio-1041405

ABSTRACT

Abstract INTRODUCTION: Brazilian native species are reemerging as increasingly free-ranging populations. METHODS: Sera from 31 capybaras (Hydrochoerus hydrochaeris) and 28 peccaries (Pecari tajacu and Tayassu pecari) were tested for anti-Leptospira and anti-Toxoplasma gondii antibodies using microscopic seroagglutination test. RESULTS: Nineteen percent of free-ranging and 10.0% of captive capybaras, along with 31.8% of collared peccaries, were seropositive for T. gondii. None was seropositive for Leptospira sp. CONCLUSIONS: The present findings indicated low risk of disease, particularly among capybaras and white-lipped peccaries; however, active surveillance programs are important for monitoring wildlife health and public health once they are in public parks around cities.


Subject(s)
Animals , Leptospirosis/veterinary , Artiodactyla/microbiology , Artiodactyla/parasitology , Rodentia/microbiology , Rodentia/parasitology , Toxoplasma/immunology , Brazil/epidemiology , Agglutination Tests , Antibodies, Protozoan/blood , Toxoplasmosis, Animal/diagnosis , Toxoplasmosis, Animal/epidemiology , Prevalence , Leptospira/immunology , Leptospirosis/diagnosis , Leptospirosis/epidemiology , Animals, Wild , Antibodies, Bacterial/blood
2.
Rev. bras. parasitol. vet ; 20(1): 75-77, jan.-mar. 2011.
Article in English | LILACS | ID: lil-608260

ABSTRACT

Mycoplasma suis is a hemotropic bacteria of red blood cells and the causative agent of swine eperythrozoonosis. Diagnosis of infection may be reached by direct examination of blood smears; however, the use of polymerase chain reaction (PCR) of the 16S RNA gene of M. suis improves the sensitivity and specificity of detection. The aim of this study was to screen peccaries (Tayassu tajacu and T. pecari) for M. suis infection using a specific conventional PCR. A total of 28 blood samples from captive collared and white-lipped peccaries were collected, DNA extracted and a specific M. suis PCR assay performed. All samples were negatives by both blood smear examination and PCR testing. To verify the presence of amplifiable DNA, PCR for beta-actin gene was performed in all samples. This study was part of an active surveillance program, which is crucial for monitoring animal health status, particularly in wildlife species.


Mycoplasma suis é uma bactéria hemotrópica dos eritrócitos e é o agente causador da eperitrozoonose suína. O diagnóstico da infecção pode ser realizado pelo exame direto de esfregaços sanguíneos; entretanto, o uso da reação em cadeia da polimerase (PCR) baseada no gene 16S RNA de M. suis aumenta a sensibilidade e especificidade da detecção. O objetivo deste estudo foi avaliar catetos e queixadas (Tayassu tajacu e T. pecari) para a infecção por M. suis, utilizando PCR convencional específico. Um total de 28 amostras de sangue de catetos e queixadas de cativeiro foram coletadas, o DNA foi extraído e a PCR específica para a detecção de M. suis realizada. Todas as amostras foram negativas pelo esfregaço sanguíneo e PCR. Para verificar a presença de DNA amplificável, PCR para o gene da beta actina foi realizada em todas as amostras. Este estudo foi parte de um programa de vigilância ativa, o qual é crucial para o monitoramento do estado de saúde animal, particularmente em espécies selvagens.


Subject(s)
Animals , Artiodactyla/microbiology , Mycoplasma/genetics , Mycoplasma/isolation & purification , Polymerase Chain Reaction , Polymerase Chain Reaction/methods
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