PARASITOLOGY. 179 
fested through water or food contaminated by the 
ova or embryos. 
Animals Infested.—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 wera Vaayuuettiy 
to one ounce. Sheep _ 
a Fig. 67—TAENIA EXpANnSA (from sheep.) 
take four to. six a, Head. b, Neck. 
ounces of Epsom cv, Mature segments. 
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. 
fa tase 
TeeEXID Try 
Carrernrrrrery, 
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To suit 
