Article

Low seroprevalence of antibodies to Neospora caninum in wild canids in Israel.

Koret School of Veterinary Medicine, Faculty of Agricultural, Food and Environmental Sciences, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel.
Veterinary Parasitology (impact factor: 2.58). 05/2006; 137(1-2):155-8. DOI:10.1016/j.vetpar.2005.12.022
Source: PubMed

ABSTRACT The role of domestic dogs in the epidemiology of Neospora caninum as well as the relationship between N. caninum infection of farm dogs and cattle were demonstrated, however, evidence is scarce regarding the role of wild canids in domestic animal neosporosis. The present study was undertaken to evaluate the role of wild canids in the epidemiology of bovine neosporosis in Israel by analyzing the prevalence of antibodies to N. caninum in wild canids. Sera samples were collected from 114 free ranging wild golden jackals (Canis aureus), 24 red foxes (Vulpes vulpes) and nine wolves (Canis lupus), which were collected in Israel during the years 1999-2004. Of a total of 147 wild canids tested antibodies to N. caninum were only found in two golden jackals with IFAT titers of 1:50, and in one red fox and one wolf with IFAT titer of 1:400. The low seroprevalence found in this study (2.7%) indicated that wild canids probably do not have an important role in the epidemiology of N. caninum in Israel. However, since the diet of different species of wild canids and even diverse populations of the same canid species vary, it is possible that other results might be obtained from specific wild canids populations, which scavenge in the vicinity of infected bovines.

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  • Article: Epidemiology and control of neosporosis and Neospora caninum.
    J P Dubey, G Schares, L M Ortega-Mora
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    ABSTRACT: Neospora caninum is a protozoan parasite of animals. Until 1988, it was misidentified as Toxoplasma gondii. Since its first recognition in dogs in 1984 and the description of the new genus and species Neospora caninum in 1988, neosporosis has emerged as a serious disease of cattle and dogs worldwide. Abortions and neonatal mortality are a major problem in livestock operations, and neosporosis is a major cause of abortion in cattle. Although antibodies to N. caninum have been reported, the parasite has not been detected in human tissues. Thus, the zoonotic potential is uncertain. This review is focused mainly on the epidemiology and control of neosporosis in cattle, but worldwide seroprevalences of N. caninum in animals and humans are tabulated. The role of wildlife in the life cycle of N. caninum and strategies for the control of neosporosis in cattle are discussed.
    Clinical Microbiology Reviews 05/2007; 20(2):323-67. · 16.13 Impact Factor
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Keywords

147 wild canids
 
24 red foxes
 
bovine neosporosis
 
bovines
 
Canis aureus
 
diverse populations
 
domestic animal neosporosis
 
domestic dogs
 
farm dogs
 
IFAT titer
 
IFAT titers
 
N. caninum
 
N. caninum infection
 
Neospora caninum
 
red fox
 
Sera samples
 
specific wild canids populations
 
Vulpes vulpes
 
wild canids
 
wild golden jackals
 

A Steinman