NDLI: Horses naturally infected by Trypanosoma vivax in southern Brazil

Content Provider	Springer Nature Link
Author	Silva, Aleksandro S. Garcia Perez, Herakles A. Costa, Márcio M. França, Raqueli T. Gasperi, Diego Zanette, Régis A. Amado, João A. Lopes, Sonia T. A. Teixeira, Marta M. G. Monteiro, Silvia G.
Copyright Year	2010
Abstract	In this study, we reported the first outbreak of the infection by Trypanosoma vivax in horses in southern Brazil, a non-endemic region where bovines have only recently been found infected by this trypanosome species. We evaluated 12 horses from a farm in southern Brazil, where four horses displayed pale mucous membranes, fever, weight loss, and swelling of abdomen, prepuce, or vulva. The diagnosis of T. vivax was confirmed in four horses by morphological parameters of trypomastigotes in blood smears and species-specific PCR. All T. vivax-infected animals showed anemia, and most showed increased levels of beta-1, beta-2, and gamma globulins. Horses were treated with diminazene aceturate, but cure was not achieved, and the disease relapsed after therapy. These findings demonstrated that Brazilian T. vivax isolates, which were already reported infecting cattle, buffaloes, goats, and sheep, can be highly pathogenic for horses, causing severe disease and even death of the animals due to the recurrence of the infection.
Starting Page	23
Ending Page	30
Page Count	8
File Format	PDF
ISSN	09320113
Journal	Parasitology Research
Volume Number	108
Issue Number	1
e-ISSN	14321955
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-09-05
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Immunology Microbiology Medical Microbiology
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Veterinary Parasitology Insect Science

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