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Research
(Published
online: 07-09-2014)
6.
Prevalence of Toxoplasma gondii
antibodies in stray and owned dogs of Grenada, West Indies
- Ravindra
N. Sharma, Gabriel Ordas, Keshaw Tiwari, Alfred Chikweto, Muhammad
Iqbal Bhaiyat, Claude De Allie and Tara Paterson
Veterinary World, 7(9): 661-664
doi:
10.14202/vetworld.2014.661-664
Ravindra N. Sharma:
Department of
Pathobiology, School of Veterinary Medicine, St. Georges
University, Grenada, West Indies; rsharma@sgu.edu
Gabriel Ordas:
Department of Pathobiology, School of Veterinary Medicine, St.
Georges University, Grenada, West Indies;
gordas@sgu.edu
Keshaw Tiwari:
Department of Pathobiology, School of Veterinary Medicine, St.
Georges University, Grenada, West Indies;
ktiwari@sgu.edu
Alfred
Chikweto:
Department of Pathobiology, School of Veterinary Medicine, St.
Georges University, Grenada, West Indies; achikweto@sgu.edu
Muhammad Iqbal Bhaiyat:
Department of
Pathobiology, School of Veterinary Medicine, St. Georges
University, Grenada, West Indies; mibhaiyat@sgu.edu
Claude
De Allie: Division
of Veterinary Services, Ministry of Agriculture, Forestry and
Fisheries, Government of Grenada, West Indies; cdeallie@sgu.edu
Tara
Paterson: Department of Small Animal Medicine and Surgery,
School of Veterinary Medicine, St. Georges University, Grenada,
West Indies; tpaterson@sgu.edu
Received: 21-05-2014, Revised: 18-07-2014,
Accepted: 25-07-2014, Published online: 07-09-2014
Corresponding author: Ravindra N.
Sharma, email: rsharma@sgu.edu
Abstract
Aim:
This serological survey was undertaken to estimate the
prevalence of Toxoplasma gondii in two populations of dogs
(stray and owned dogs) in Grenada. Dogs get infected with oocysts
voided from cats, definitive hosts of T. gondii. In dogs,
T. gondii causes subclinical to clinical disease. Earlier
studies conducted in Grenada on a small population of owned dogs
showed evidence of exposure to T. gondii.
Materials and Methods: Antibodies to T. gondii were
determined in serum samples from 625 dogs (368 stray and 257 owned
dogs) from around all six parishes in Grenada, West Indies, using
an indirect enzyme linked immunosorbent assay.
Results: Antibodies to T. gondii were
found in 123 (33.4%; 95% confidence interval [CI]: 28.58-38.22%)
of stray dogs and in 64 (25%; 95% CI: 19.71-30.29%) of the owned
dogs. Seropositivity was higher in stray dogs than in pet dogs
(p=0.026). Whereas, there was no sex predisposition to
seropositivity in owned dogs (p=1.0), female stray dogs showed a
higher prevalence than male stray dogs (p=0.04).
Conclusion: These results support previous findings that T.
gondii is prevalent in Grenada. In this study, overall
seropositivity for T. gondii in dogs in Grenada is lower
than noted in 2008, but is still higher in stray dogs than in
owned dogs.
Keywords: dog, ELISA, Grenada, T. gondii.
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