Mannheimia varigena was identified as the etiologic agent of lameness and coronary band lesion in 30% of cattle in a farm located in Rio Grande do Sul, Brazil. Swab samples from the lesions were cultured in McConkey Agar and Blood Agar for microbiological identification. Culture growth was submitted to G...
Abstract The lungworm Dictyocaulus viviparus has an important role in cattle health and productivity worldwide, since infections can lead to substantial economic losses. Despite its importance, few studies investigating the epidemiological aspects of infection by this parasite have been conducted. The ai...
Alcindo, Jefferson Filgueira;
Vieira, Maria Clara Guimarães;
Rocha, Thamiris Vilela Pereira;
Cardinot, Cinthya Brillante;
Deschk, Maurício;
Amaral, Gláucia Guimarães;
Araujo, Rafael Ferreira de;
Franciscato, Carina;
Castilho Neto, Kayo José Garcia de Almeida;
Machado, Rosângela Zacarias;
André, Marcos Rogério.
Abstract This study aimed to evaluate diagnostic techniques for trypanosomiasis, caused by Trypanosoma vivax, in naturally infected cattle in Minas Gerais, Zona da Mata. The deaths of six lactating cows with similar clinical conditions—characterized by hyporexia, hypogalactia, and recumbency—...
Bovinos,
Enfermedades de los Bovinos/diagnóstico,
Enfermedades de los Bovinos/epidemiología,
Ensayo de Inmunoadsorción Enzimática/veterinaria,
Lactancia,
Sensibilidad y Especificidad,
Trypanosoma vivax,
Tripanosomiasis Africana/diagnóstico,
Tripanosomiasis Africana/epidemiología,
Tripanosomiasis Africana/veterinaria,
Tripanosomiasis Bovina/epidemiología
Objetivou-se avaliar a ocorrência de animais soro reagentes à brucelose bovina em fazendas localizadas no Estado de Mato Grosso do Sul, por meio de exame sorológico utilizando o Antígeno Acidificado Tamponado (AAT) e discutir as possíveis diferenças entre as soroprevalências de fêmeas e machos. F...
Abstract Between December 2016 and April 2017, a spate of abortions occurred in a closed dairy herd from the central eastern region of Paraná, Brazil, in which 75 cows aborted. To identify its cause, organ fragments were collected from an aborted fetus for histopathology, and the blood samples from a st...
Aborto Veterinario,
Anticuerpos Antiprotozoarios,
Brasil,
Bovinos,
Enfermedades de los Bovinos/diagnóstico,
Enfermedades de los Bovinos/epidemiología,
Coccidiosis/diagnóstico,
Coccidiosis/epidemiología,
Coccidiosis/veterinaria,
Enfermedades de los Perros,
Técnica del Anticuerpo Fluorescente Indirecta/veterinaria,
Neospora
Abstract The macroscopic, histological, and molecular aspects of Sarcocystis spp. were examined in the tissues of two cattle and four sheep, 16 and eight fragments analyzed respectively, condemned in the slaughterhouse. All 24 samples were collected and analyzed for detecting macrocysts and macroscopic l...
Pathological changes in the umbilical region are common in calves. Among such alterations, omphalitis is included. This term is used to define inflammation and infection of the external structures of the umbilicus. According to the affected structures, it can be subclassified into omphalophlebitis, ompha...
Oliveira, Juliana Silva de;
Martins, Felippe Danyel Cardoso;
Ladeia, Winni Alves;
Cortela, Isadora de Britto;
Valadares, Manuela Ferraz;
Matos, Andressa Maria Rorato Nascimento de;
Caldart, Eloiza Teles;
Ayres, Henderson;
Navarro, Italmar Teodorico;
Freire, Roberta Lemos.
Abstract Cattle are an important source of zoonotic species of Cryptosporidium for humans. The aim of this study was to investigate the presence of Cryptosporidium, identify the species and determine the risk factors relating to environment, animals and management among dairy calves in eight Brazilian st...
Abstract Despite the global importance of the zoonotic parasite Toxoplasma gondii, little is known regarding its infection in the Democratic Republic of São Tomé and Príncipe (DRSTP). This is the first report of antibodies to T. gondii in cattle, sheep, goats and pigs from the DRSTP. Antibodies were a...
Anticuerpos Antiprotozoarios/sangre,
Enfermedades de los Bovinos/diagnóstico,
Enfermedades de los Bovinos/epidemiología,
Enfermedades de las Cabras/diagnóstico,
Enfermedades de las Cabras/epidemiología,
Cabras,
Factores de Riesgo,
Santo Tomé y Príncipe/epidemiología,
Estudios Seroepidemiológicos,
Ovinos,
Enfermedades de las Ovejas/diagnóstico,
Enfermedades de las Ovejas/epidemiología,
Porcinos,
Enfermedades de los Porcinos/diagnóstico,
Enfermedades de los Porcinos/epidemiología,
Toxoplasma/inmunología,
Toxoplasmosis Animal/diagnóstico,
Toxoplasmosis Animal/epidemiología
Bahia, Michele;
Silva, Jullyana de Souza;
Gontijo, Iany Santos;
Cordeiro, Matheus Dias;
Santos, Priscilla Nunes dos;
Silva, Claudia Bezerra da;
Nicolino, Rafael Romero;
Mota, Diego Azevedo;
Silva, Jenevaldo Barbosa da;
Fonseca, Adivaldo Henrique.
Abstract The present study aimed to characterize the importance of the Anaplasma marginale, Babesia bovis and Babesia bigemina in the genesis of cattle tick fever (CTF) among dairy calves in the northwest of Minas Gerais, Brazil. Blood samples from 300 calves were collected, followed by DNA extraction an...
Anaplasma marginale/genética,
Anaplasmosis/diagnóstico,
Anaplasmosis/epidemiología,
Anaplasmosis/parasitología,
Babesia/genética,
Babesiosis/diagnóstico,
Babesiosis/epidemiología,
Babesiosis/parasitología,
Brasil,
Enfermedades de los Bovinos/diagnóstico,
Enfermedades de los Bovinos/epidemiología,
Enfermedades de los Bovinos/parasitología,
Filogenia,
Reacción en Cadena de la Polimerasa/veterinaria,
Garrapatas/parasitología
