Identification of Antibodies Against Fasciola Gigantica In Natural & Experimental Hosts Using Antigens from The Developmental Stages In Snails

Sheep is considered one of the main sources of meat producticn in Egypt. Thus, it is necessary to keep them in good condition and free from any pathogenas possible. F.gigantica is the most serious parasit cousing financial loss among sheep.Therefore,attenrabbits 2-) months each with 50 cysts and 10 guinea pigs 5-6 months each with )0 cysts. The non infected control animals were kept as the same age of each infected groups. They were 5,2,5 and 5 for sheep group I,ll, rabbits and guinea pigs respectively. T