Joiimal of Agriculture. 



lo Sept., 1908. 



II. — Vegetable Parasites. 



RINGWORM — PRURIGO. QUEENSLAND MANGE. 



Rir\gworrT|. 



Ringworm affects cattle most frequently. The disease is sometimes 

 seen on horses, occasionally on dogs and cats, but seldom if evesr on sheep. 

 It is transmissible from cattle to man. No matter the class of animal the 

 cause is the same, viz., a skin fungus or parasite {Triclwphyton tonsuroits) 



ACNE OF PIG. 



RINGWORM. 



which establishes itself at the roots of the hair and causes an exudation 

 of serum and cells which when dry forms a scurf. The greyish scurf 

 becomes thicker, the hairs through malnutrition break off at their base, and 

 the skin becomes bare, roughened, and scaly in patches of varying size. 



