Estudo da ocorrência de casos confirmados de raiva bovina no município de Guaxupé, Minas Gerais

Abstract

Bovine rabies continues to be an important zoonosis. The occurrence of confirmed cases of the disease in the rural environment is a current public health problem, which is even more relevant when the cases of human rabies that occurred in the last few years are considered. The objective of the present project was to study the situation of bovine rabies in the municipality of Guaxupé-MG, on the basis of the presence of blood-sucking bats in the municipality, the level of knowledge of rural producers/employees about rabies, the vaccination against bovine rabies, the notification of cases of the disease to the "Instituto Mineiro Agropecuário" (IMA), and the confirmed cases of animal rabies. The methodology consisted of a survey of secondary data at IMA and at the Epidemiological Surveillance of the Regional Management of Alfenas-MG, to which the municipality of Guaxupé belongs, and the application of a questionnaire about bovine rabies to a sample of rural producers/employees of the municipality. The sample was stratified into two groups, with the questionnaire being applied to 35 small and medium-sized properties and to 05 large properties. According to IMA data, 34 laboratory exams for the diagnosis of rabies were performed during the period from 1999 to 2003. Of these, 10 were considered to be positive, 08 of them involving cattle and 02 involving horses. Regarding the knowledge of rural producers/employees about rabies, 74.3% were found to consider the veterinary to be an important source of information; 85% called a veterinary when an animal was sick, 97.5% were aware of the importance of vaccination, 72.5% indicated that increased animal salivation is a characteristic symptom of the disease, 58.3% indicated that carbuncle is a disease often confused with rabies, 90.0% stated that blood-sucking bats are the transmitters of the disease, 57.1% stated that they applied some type of product to bat bites, 92.5% stated that they were aware of the presence of bats on their property, 17.5% stated that they had a confirmed case of rabies on their property, 53% pointed out that coffee-drying barns are a shelter for bats, and 90% stated that they vaccinated the herd during vaccination campaigns. Regarding the data of Epidemiological Surveillance, 587 cases of aggression by animals occurred between 2000 and 2006 in the municipality of Guaxupé. Of these, 24.3% involved children up to 09 years of age, 91.5% occurred in the urban zone, 82.9% of the wounds were bites, 49.0% were in the hands, in 78.2% of cases the aggressing species was the canine one, and there was only one case of canine rabies with a laboratory diagnosis, plus 04 cases of animal rabies with a clinical diagnosis. These studies led to the conclusion that there still is the need to maintain all actions aiming at the control of rabies, especially vaccination, and that it is important to conduct awareness-raising work regarding cases of aggression by animals, especially dogs.

Perfil das amostras do sistema nervoso central de bovinos com síndrome neurológica e diagnóstico da raiva bovina no serviço de defesa sanitária de Minas Gerais, 2003-2010

“…Apesar de Minas Gerais apresentar o segundo maior rebanho bovino do país, com um efetivo de 22.369.639 cabeças (Produção 2008), há escassez de informações referentes às doenças neurológicas que acometem esses animais no Estado (Ferreira et al 1986, Moro et al 1994, Silva et al 2001, Gomes et al 2002, Ferreira 2006, Costa 2007, Dallora 2007, Menezes et al 2008, Aquino Neto et al 2009). …”

“…Oϐicialmente, o diagnóstico da raiva é realizado através da técnica de imunoϐluorescência direta (IFD) e da prova biológica (PB), inoculação em camundongos ou células, a partir de amostras refrigeradas de SNC dos animais suspeitos (Brasil 2002b (Silva et al 2001, Ferreira 2006, Dallora 2007, Menezes et al 2008. Porém, uma caracterização mais especíϐica da doença nos bovinos, considerando categorias dos animais acometidos (raça, sexo ou idade) ainda não foi realizada.…”

Eficiência De Carrapaticidas Químicos Usados Em Rhipicephalus (Boophilus) Microplus No Município De Viçosa, Al, Brasil

“…Nos herbívoros o PI pode variar entre 30 a 90 dias (KOTAIT et al, 2009). Sua variação é influenciada por fatores como: capacidade invasiva, patogenicidade, carga viral, ponto de inoculação, idade e imunocompetência do animal (DALLORA, 2007;BATISTA et al, 2007).…”

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