Some studies on the immunity and treatment of canines to Echinococcus Granulosus

(1) Using 54 s~leoted puppies, thirty two were allooated for studying immunization to Echinoooccus sanulo:sus, whereas the remaining 22dog’s were used for studying the treatment of this parasite. (2) Two types of antigen were prepared. Animals treated wit(5) Tbe immun’ized’ paras:lt:es’ were retarded in growth and fail to reaoh matur1tY after 68 day’s from’ fereding’ these of.Le ea •.