Epizootic Infection by Trypanosoma vivax in Cattle from the State of Minas Gerais, Brazil

Matheus de Oliveira Reis; Fernanda Rezende Souza; Adriana Silva Albuquerque; Fernanda Monteiro; Luan Francisco dos Santos Oliveira; Djeison Lutier; Flademir Wouters; Angélica Terezinha Barth Wouters; Ana Paula Peconick; Mary Suzan Varaschin

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저자정보: Matheus de Oliveira Reis (Federal University of Lavras) Fernanda Rezende Souza (Federal University of Lavras) Adriana Silva Albuquerque (Federal University of Lavras) Fernanda Monteiro (Federal University of Lavras) Luan Francisco dos Santos Oliveira (Federal University of Lavras) Djeison Lutier (Federal University of Lavras) Flademir Wouters (Federal University of Lavras) Angélica Terezinha Barth Wouters (Federal University of Lavras) Ana Paula Peconick (Federal University of Lavras) Mary Suzan Varaschin (Federal University of Lavras)

저널정보: 대한기생충학열대의학회 Parasites, Hosts and Diseases The Korean Journal of Parasitology Vol.57 No.2

발행연도: 2019.4

수록면: 191 - 195 (5page)

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Trypanosomiasis is caused by a pathogenic protozoan of the genus Trypanosoma, being Trypanosoma vivax the most important agent for cattle. The aim of the present study was to demonstrate the expansion of T. vivax infection in different mesoregions of Minas Gerais, Brazil, and describe the clinicopathological findings of trypanosomiasis in cattle. The diagnosis was based on visualization of the parasite in blood smears and DNA detection of T. vivax in the blood of live cows and tissues of necropsied animals by the polymerase chain reaction (PCR). Thirty suspected herds were tested, of which 11 were positive for T. vivax. The most frequent clinical signs were anemia, apathy, drop in milk production, weight loss, reproductive disorders, and nervous signs. Concomitant diseases, such as malignant edema, pneumonia and increased cases of mastitis were associated with T. vivax infection. Three cows were necropsied and the most significant findings were low body condition score, pale mucous and spleen with white pulp hyperplasia. The results demonstrated the expansion of T. vivax infection in Minas Gerais, that PCR-associated blood smears are promising for diagnosis, and that other diseases often occur concomitantly to T. vivax infection in regions with trypanosomiasis in cattle.

#anemia #parasitic diseases #ruminants #trypanosomiasis

참고문헌 (18)

참고문헌 신청

Batista JS / 2007 / Trypanosomiasis by Trypanosoma vivax in cattle in the Brazilian semiarid : description of an outbreak and lesions in the nervous system / Vet Parasitol 143:174~181

Batista JS / 2008 / Aspectos clínicos, epidemiológicos e patológicos da infecção natural em bovinos por Trypanosoma vivax na Paraíba / Pesq Vet Bras 28:63~69

Cadioli FA / 2012 / First report of Trypanosoma vivax outbreak in dairy cattle in São Paulo State, Brazil / Rev Bras Parasitol Vet 21:118~124

Carvalho AU / 2008 / Ocorrência de Trypanosoma vivax no estado de Minas Gerais / Arq Bras Med Vet Zootec 60:769~771

Cortez AP / 2009 / Cathepsin L-like genes of Trypanosoma vivax from Africa and South America--characterization, relationships and diagnostic implications / Mol Cell Probes 23:44~51

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