Bot fly
Definition: chronic infectious parasitic disease of equine caused by larvae (bot) or adult worm of gastrophillus, characterised by chronic gastritis, loss of condition Etiology: larvae or adult fly of gastrophillus G. nasalis, G. intestinalis, G. haemorrhoidlis
Distribution : wide distributed, present in Egypt Species affected: all species of equine Incidence: summer
egg Ingest larvae through licking of leg Migrate to stomach and some larvae migrate to brain, heart, lung Pass with faeces after month Change to adult
Emaciation and colic Shying and head tossing due to fly annoyance When the larvae present in rectum occurs itching and prolapse to rectum
Congestion, swelling and hemorrhage in stomach
Direct detection of eggs on the hair in summer Detection of larvae in faeces
Rectal ename by water and soap for removal of larvae adhering on rectal mucosa ivermectin
Grooming of animal, clipping of hairs and burning it Prophylactic treatment by anthelmentic