Prospecção da Influenza - A em suínos criados em sistema extensivo no distrito de Angónia

Abstract

Influenza A is one of the infectious diseases with the greatest impact on the history of humanity, due to the pandemics recorded over the last 100 years. Surveillance epidemiological of the influenza virus in pigs is of particular importance, given that this species is susceptible to infection by viral strains of swine, aviary and human. In pigs, the disease manifests itself as an acute respiratory syndrome, Often associated with high economic losses due to its high morbidity. THE transmission occurs by direct contact, aerosols, cough, sneezing, formats and Introduction of carriers in the effective. The present study aimed to investigate the occurrence of influenza virus in pigs created in extended system by small farmers in the district of Angon, Tete province. 262 blood samples from pigs from the Binga, Cabango, Dziede, Kamphesa, Liranga and Seize villages. For each sample, The data related to the village of origin, age and sex of the animals were recorded. Detection the presence of antibodies against the influenza virus A was performed through the test Serological Elisa. The results obtained indicate the absence of circulation of the influenza virus swine population of localities covered by the study