170 CANINE MEDICINE AND SURGERY 



Of these tapeworms the most important from an 

 economic standpoint are the Taenia echinococcus 

 and the Taenia coenurus, the first producing hydatid 

 disease in man, the second "gid" in sheep. 



The symptoms of tapeworm infestation are those 

 of general parasitism, and the diagnosis is positive 

 when the segments are found in the feces. 



Treatinent. — After thoroughly preparing the ani- 

 mal by fasting and laxatives, administer on an 

 empty stomach fifteen minims to one dram of oil 

 of male fern, followed in eight to ten hours by a 

 saline cathartic in full doses. The expelled para- 

 sites should be carefully examined to ascertain if 

 the head has been expelled, and if not the treatment 

 should be repeated in ten days. The same precau- 

 tions as to burning worm segments and the bowel 

 discharges must be taken as mentioned before in 

 this section. 



