435 bytes added
, 09:09, 28 July 2010
'''Pathogenesis'''
*Most numerous in '''autumn and winter'''
*Located in the superficial layers of the fleece
**This aids transmission
*Long wooled breeds are most susceptible to infection
*Cause anaemia
*Wool damage
**Irritation and self-inflicted damage
**Staining by ked faeces
*Intermediate host for non-pathogenic ''Trypanosoma melophagium'' in sheep
'''Control'''
*Sheep dipping and spraying
*Shearing to decrease numbers