Difference between revisions of "Hippoboscidae"

Revision as of 14:51, 29 March 2010

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 *The two genera of veterinary importance are ''Hippobosca'' and ''Melophagus''
 <big>
 '''[[Hippobosca spp.|''Hippobosca spp.'']]
+'''[[Melophagus spp.|''Melophagus spp.'']]
 </big>
-===''Melophagus'' spp.===
-*Also known as sheep ked
-*Found worldwide
-*Bites sheep and goats
-**A separate species is found on deer
-'''Recognition'''
-*4-6mm long
-*Hairy
-*Forward pointing proboscis
-*Short head
-*Reddish brown colouring
-*Dorso-ventrally flattened
-*'Tick-like' in appearance
-*'''Wingless'''
-*Strong legs and claws
-'''Life cycle'''
-*Whole life cycle spent '''on''' the host
-**Adults may survive for 1 week off the host
-*Single larvae laid on fleece which pupate
-*Adult keds emerge a '''few weeks to a few months''' after pupating depending on environmental temperature
-'''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
 [[Category:Parasites]][[Category:Flies]][[Category:Biting_Flies]]