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Bot
Fly
Lifecycle:
Bot eggs enter the horse's mouth and develop into larvae. The larvae
migrate and attach themselves to the mucus lining of the horse's
stomach, remaining there during the winter. After about 10 months,
they detach themselves and are passed in the feces. The larvae burrow
into the ground and mature into adult flies. Adult females deposit
eggs on the horse's legs, shoulders, chin, throat and the lips.
How
It Gets Into Your Horse: The horse licks yellow eggs laid by
G. intestinalis on its forelegs and shoulders. The eggs hatch
and enter the horse's mouth. G. nasalis lays eggs around
the horse's chin and throat. These eggs hatch and the larvae burrow
under the skin to the mouth, wandering through the mouth before
migrating to the stomach.
Dangers If Left Untreated: Bots can cause inflammation of
the mouth and stomach irritation. Severe infestation can cause intestinal
blockage, often leading to irritation, ulcers and colic.
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BOT
FLIES: Species & Stages
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Chemical
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G.
intestinalis
1st instar
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G.
intestinalis
2nd instar
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G.
intestinalis
3rd instar
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G.
nasalis
1st instar
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G.
nasalis
2nd instar
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G.
nasalis
3rd instar
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| fenbendazole |
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| ivermectin |
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| moxidectin |
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| oxfendazole |
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| oxibendazole |
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| pyrantel
pamoate |
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| pyrantel
tartrate - daily |
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| pyrantel
tartrate-single |
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Based
on registered label claims and FOI summaries for each product
on file with the FDA; single-dose application.
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©2003
Horse Health Products
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