الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
ToKOcera_canis is e nemetode pereeite of dogs end cats end tbelr relatives. It ia of great medical Importance due to Ita implication es the main cause of viscerel larve migrane In humans.
Infection in the natural hoat, the dog, vBrie0 accord-
Ing to the age of the eniaiel snd , its previous exposure
to infection. In puppies, it IB mainly pre-natal
through the peasag^ of the second stage lervae from the infected mother’s tlBauea through the placenta to the foeti The Isrvee In the foetus after tractieal rtigretion rftach the Intestine to pive riee to adult worms.