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Occurrence of antibodies to Toxoplasma gondii in scavenging black vultures (Coragyps atratus) in Brazil
2017
Solange Maria Gennari | Tania de Freitas Raso | Fernanda Junqueira Vaz Guida | Hilda Fátima Jesus Pena | Herbert Sousa Soares | Jitender Prakash Dubey
This is the first report of Toxoplasma gondii infection in black vultures (Coragyps atratus), which are obligate scavengers found throughout the Americas. Serum samples from 121 wild black vultures caught in urban areas of the city of Sao Paulo, Brazil, were tested for the presence of T. gondii antibodies using the modified agglutination test (MAT; cutoff point 1:5). T. gondii antibodies were found in 16 birds (13.2%), with titers of 1:5 (6 birds), 1:10 (8 birds), and 1:20 (2 birds).
Afficher plus [+] Moins [-]Antimicrobial susceptibility profile of Campylobacter spp. isolated from different animal species in Minas Gerais
2017
Cristiane Pinheiro Toscano de Brito | Elaine Maria Seles Dorneles | Telma Maria Alves | Ana Paula Reinato Stynen | Andrey Pereira Lage
Universidade Federal de Minas Gerais, Escola de Veterinária, Departamento de Medicina Veterinária Preventiva, Laboratório de Bacteriologia AplicadaSusceptibility pattern of 45 Campylobacter spp.isolates – 16 C. jejuni, eight C. coli, and 21 C. fetus isolated from different animal species in Brazil – to twelve antimicrobial agents was determined. All Campylobacter spp. isolates were susceptible to gentamicin, sulfadiazine, and sulfamethoxazole. C. jejuni and C. coli were also sensitive to chloramphenicol, whereas all C. fetus strains were susceptible to kanamycin. Cefoperazone showed the highest percentage of resistance among C. jejuni (68.75%), followed by nalidixic acid (31.25%), ampicillin (37.50%), tetracycline (37.50%), erythromycin (12.50%), and kanamycin (6.25%). Likewise, cefoperazone exhibited the highest percentage of resistance among C. coli (75.00%), followed by nalidixic acid (50.00%), tetracycline (50.00%), erythromycin (37.50%), ampicillin (12.50%), and kanamycin (12.50%). Among C. fetus strains, nalidixic acid showed the highest resistance rate (85.71%), followed by cefoperazone (71.43%), tetracycline (42.86%), ampicillin (19.05%), chloramphenicol (9.52%), and erythromycin (4.76%). Therefore, it was found that the majority of Campylobacter spp. isolated from animals was sensitive to gentamycin, chloramphenicol, kanamacyn, and sulfonamides; however, a high proportion of the strains showed reduced susceptibility to nalidixic acid, ampicillin, cefoperazone, and tetracycline. Moreover, C. coli and C. fetus isolates showed a high percentage of multidrug resistant strains.
Afficher plus [+] Moins [-]Occurrence of viral diseases in donkeys (Equus asinus) in São Paulo State, Brazil
2017
Maria do Carmo Custódio de Souza Hunol Lara | Eliana Monteforte Cassaro Villalobos | Elenice Maria Sequetin Cunha | José Victor de Oliveira | Alessandra Figueiredo de Castro Nassar | Lília Márcia Paulin Silva | Liria Hiromi Okuda | Adriana Hellmeister de Campos Nogueira Romaldini | Mariana Sequetin Cunha | Eduardo Carvalho Marques | Enio Mori
Among the diseases that affect equines, viral diseases play an important role from a health and economic point of view, especially influenza, viral arteritis, herpes infections and vesicular stomatitis. In the Brazilian literature, there is little or no account of the occurrence of infectious diseases in donkeys. Given the importance of donkeys in different activities and the lack of information on infections that may occur in these animals, the aim of this study was to determine the frequency of anti-equine herpesvirus (EHV), anti-equine arteritis virus (EAV), anti-vesicular stomatitis, and anti-equine influenza (H3N8) antibodies in the serum of 85 donkeys bred in some regions of the state of Sao Paulo. We found the following antibody frequencies: 50.6% (43/85) antibodies against influenza virus subtype H3N8, 47% (40/85) anti-EHV, and 20% (17/85) anti-EAV. The donkeys were not seropositive for vesicular stomatitis. The results suggested that the agents EHV, EAV, and equine influenza subtype H3N8 circulate among donkeys in some regions of the state of Sao Paulo, Brazil, reinforcing the importance of establishing a routine diagnosis and epidemiological study of this species.
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