Nasal Bots are the adult stage of the female fly. They lay tiny eggs on the nose of sheep, then the larvae crawl up the nose and into the sinuses where they mature into large larvae. Eight to ten months later the bots come out of the nose, drop to the ground and develop into flies. While in the sinus, the larvae may cause severe irritation. Ivermectin products are most effective against the larvae stage but sheep may be repeatedly affected as new larvae migrate to the sinuses.
Andy Karras - Karras Farm
http://eastfriesiansheep.comhttp://awassisheep.com
http://karrasfarm.com
andy@karrasfarm.com
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