Paratuberculosis in buffaloes in Northeast Brazil

Authors: Marilene de Farias Brito Alessandra dos Santos BeloReis José Diomedes Barbosa Daniel Guimarães Ubiali Ana Paula de Castro Pires Elizabeth Sampaio de Medeiros Renata Pimentel Bandeira de Melo Pedro Paulo Feitosa de Albuquerque Elise Yamasaki Rinaldo Aparecido Mota

Publish Date: 2016/06/22

Volume: 48, Issue: 7, Pages: 1497-1501

PDF Link

Abstract

Several farms in the Northeast of Brazil were investigated for Mycobacterium avium subsp paratuberculosis infection in order to identify the occurrence of paratuberculosis in buffaloes Samples were obtained from 17 farms two slaughter houses and a quarantine area in the Northeast About 15000 buffaloes of the Murrah Mediterranean and Jafarabadi breed as well as their crossbreeds were evaluated for meat dairy and mixed farms with semiintensive or extensive breeding practices For diagnostic purposes postmortem and histopathological examination including ZiehlNeelsen test of fecal smears and scraped intestinal mucosa were performed PCR was applied for fecal samples mesenteric lymph nodes and intestines Six Johne’s diseasepositive farms which together with those previously identified indicate that the disease is spread through the Brazilian Northeast similar to what occurs in cattle herds in other regions of the country The increase in prevalence of paratuberculosis is a consequence of introduction of animals from other regions without adequate veterinary assistance and due to the little official attention paid to this initially silent and chronic diseaseThe authors would like to thank the National Council for Scientific and Technological Development Conselho Nacional de Desenvolvimento Científico e Tecnológico—CNPq for the financial support while performing the postdoctoral scholarship senior PDS via Call Notice CNPq/MAPA/SDA no process 150259/20131 the veterinarians Mauro Gonçalves Débora Rochelli and André Santos for their support during the work and to Letícia Pinto for helping with the laboratory tests

Keywords: