First report on Anaplasma platys infection in a dog in the Philippines

Author

1Department of Veterinary Clinical Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro city Hokkaido, Japan 2United Graduate School of Veterinary Sciences, Gifu University, Gifu, Japan 3College of Veterinary Medicine and Department of Animal Science, Visayas State University, Visca, Baybay City, Philippines

Abstract

Anaplasma platys, previously known as Ehrlichia platys,
which causes infectious canine cyclic thrombocytopenia, has not
been extensively studied in Southeast Asia. Recent reports in the
region have been limited to ticks and dogs in Thailand, and to
ticks in the Philippines. In this report, DNAfragments of A. platys
were molecularly detected in a dog in the Philippines. Apitbull
puppy exhibited pancytopenia (WBC: 3.5 x103/μL, PCV:
11.5%, RBC: 1.2 x106/μL, HGB: 3.7 g/dL, platelet count: 24
x103/μL), hepatitis, elevated alanine amino transferase (127
u/L), and splenomegaly. Inclusion bodies in the platelets were
also seen in the blood smears of this case. A. platys sequences
obtained in the present study revealed 100% homology with A.
platys previously detected in a Rhipicephalus sanguineus tick in
the country. This study documents the first reported case of A.
platys infection in dogs in the Philippines, and adds knowledge
to the current vector-borne disease epidemiology in Southeast
Asia.

Keywords

Iranian Journal of Veterinary Medicine
Volume 7, Issue 3 - Serial Number 3
October 2013
Pages 227-231

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