الفهرس 
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Abstract
Toxoccira canis worms have a cosmopolitan distribution, being widely recognized as harmful to man and constitute a public health problem. Ingestion of tile infective eggs by man results in the migration of Toxocara larvae through the somatic tissues with encystment in various organs and causing the disease known as visceral larva migrans. Infection in man presents in 2 forms: visceral and ocular. The visceral form is characterized by fever, leucocytes is, eosinophilia, hyperglobulinaemia associated with hepatomegaly, pulmonary involvement, gastroinlestinnl symptoms and central nervous system disturbances. The ocular type is usually in (lie form of retinal granuloma or chronic endophthalmilis.
The aim of this work was to determine the prevalence of 7’. cams infection among stray dogs, as well as the prevalence of soil contamination with T. canis eggs in urban and rural areas in Menofiya (Jovernorate which serve as usefull indicators of risk of human loxocariasis.
This study included 165 stray dogs (63 young and 102 adult dogs). 51 dogs and 114 dogs respectively were collected from urban and rural areas of Menofiya Governorate, 74 (44.85 %) were males and 91 (55.15 %)were females.