PARASITOLOGY. 



179 



fested through water or food contaminated by the 

 ova or embryos. 



A7iimals hifested. — The ox and sheep. 



Parts Infested. — The small intestines. 



Symptoms. — Cattle and sheep infested by only a 

 few worms of this species, do not show any notice- 

 able constitutional effect. Should myriads infest 

 them, the animal may show an unthrifty condition, 

 due to irritation and loss of nutrients. 



Treatment. — After 

 the infested animals ^ 

 have been fasted for 

 twenty -four hours, 

 they should be given 

 a physic and parasiti- 

 cide. Cattle take one 

 to two pounds of Ep- 

 som salts, according 

 to the age; this should 

 be accompanied with 

 fluid extract male 

 shield fern from four 

 to six drams, powder- 

 ed areca nut one-half 

 to one ounce. Sheep 

 take four to six 

 ounces of Epsom 

 salts according to 



their age. This should be given in conjunction with 

 one to two drams fluid extract male shield fern, and 

 one to three drams powdered areca nut. 



Fig. 



67— Taenia Expansa (from sheep.) 

 a, Head. b, Neck. 



c, Mature segments. 



