Show CAUSE OF SHEEP SCAB FOUND TO BE MITES Th The Tho mites which cause common sheep scab are small parasites the male measuring gl when whon fully grown only about one-fiftieth one and the female one- one fortieth of an an inch in length They may be seen with the naked eye Ce particularly particularly particularly par par- if It they are aro placed on a a. adark dark background They occur on any any- portion portion por pot tion o of the tho body covered by but butare butare butare are most common where the wool is thickest they are aro the tho sole cause of ot tho the disease Their destruction is followed followed fol fol- ol- ol lowed by recovery recover whereas an any any- treatment treatment treat treat- ment which does docs not destroy them fails to cure scab |