Results: 10

First record of antibodies to the bluetongue virus in ewe (Ovis aries) in the state of Amazonas, Brazil

Rev. bras. ciênc. vet; 29 (2), 2022
The objective of this work was to describe the first record of antibodies to the Bluetongue Virus (BTV) in ewe, in the state of Amazonas. The ewe, which was in twin pregnancy, gave birth on May 9, 2015, but a lamb died hours after delivery. Veterinary service was then requested by the owner, where emacia...

A new species of Characidium (Characiformes: Crenuchidae) from the Chapada dos Veadeiros, Goiás, Brazil

Neotrop. ichthyol; 19 (2), 2021
A new species of Characidium is described from the tributaries of the rio Tocantinzinho, rio Tocantins basin, located in the southern portion of the Chapada dos Veadeiros, at about 1,200 meters of elevation, Goiás, Brazil. The new species can be diagnosed by an unusual combination of two apomorphic feat...

Estudio histopatológico de tejido cardiaco de roedores infectados con Trypanosoma cruzi capturados en barrios suburbanos de Mérida, México

Biomédica (Bogotá); 39 (supl.2), 2019
Resumen Introducción. Trypanosoma cruzi es el agente causal de la tripanosomiasis americana, enfermedad endémica en México. Los roedores Mus musculus y Rattus rattus son reservorios del parásito, el cual invade las fibras cardiacas y desarrolla nidos parasitarios produciendo diversas lesiones. Los e...

Circulation of spotted fever group rickettsiae among dogs seropositive for Leishmania spp. in an urban area of Brazil

Abstract INTRODUCTION: Dogs play an epidemiological role in several vector-borne diseases that affect human and animal health worldwide. We aimed to identify rickettsial circulation among dogs with canine visceral leishmaniasis (CVL) from a region endemic for both diseases. METHODS: CVL-seropositive ...

Epidemiological aspects of human and canine visceral leishmaniasis in State of Alagoas, Northeast, Brazil

Braz. j. biol; 78 (4), 2018
Abstract Zoonotic visceral leishmaniasis (ZVL), caused by protozoans of the genus Leishmania, it is a worldwide of great importance disease. In the northeast region of Brazil, the state of Alagoas has an endemic status for ZVL. Thus, this work aimed to analyze the epidemiological situation of human and c...

Seroprevalence and spatial distribution of canine leishmaniasis in an endemic region in Brazil: how has the situation changed after 10 years?

Abstract INTRODUCTION: Herein, we assessed the seroprevalence and spatial distribution of Leishmania infantum in dogs in Garanhuns, Northeastern Brazil. METHODS: Sera samples (n = 242) were analyzed using an enzyme-linked immunosorbent assay (ELISA). The spatial distribution of dogs seropositive for ...

A new species of Copionodon lacking a free orbital rim (Siluriformes: Trichomycteridae)

Neotrop. ichthyol; 16 (2), 2018
A new species of the copionodontine genus Copionodon is described from the upper reaches of a tributary to the rio Paraguaçu in the Diamantina Plateau, Bahia State, northeastern Brazil. This species represents the northernmost occurrence of the subfamily yet known. The new species can be readily recogni...

Canine heartworm disease in a brazilian non-endemic area

Canine Heartworm Disease (CHD) is a mosquito-borne disease caused by Dirofilaria immitis. In this study, two mature adult-senior dogs from a non-endemic area to CHD presented clinical signs suggestive to the disease. The first one presented skin lesions, loss of appetite, weakness, pale mucosa membrane, ...

Caracterização epidemiológica da raiva bovina no estado de Mato Grosso, Brasil, no período de 1996 a 2006

Um levantamento epidemiológico de todos os casos de raiva bovina ocorridos no Estado de Mato Grosso durante os anos de 1996 a 2006 foi realizado pela análise da curva epidêmica, por meio do cálculo do somatório, média, desvio padrão, valores máximos e mínimos da ocorrência de casos de raiva nos...

New species of Jupiaba Zanata (Characiformes: Characidae) from Serra do Cachimbo, with comments on the endemism of upper rio Curuá, rio Xingu basin, Brazil

Neotrop. ichthyol; 7 (1), 2009
A new species of Jupiaba is described from rio Curuá, a tributary of the rio Iriri, rio Xingu basin, Pará State, Brazil. The new species is distinguished from its congeners by the unique combination of teeth cusps of similar size, dentary teeth gradually decreasing in size towards posterior portion, co...