Any way to prevent bot flys from laying eggs? - Page 3

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Any way to prevent bot flys from laying eggs?

This is a discussion on Any way to prevent bot flys from laying eggs? within the Horse Grooming forums, part of the Keeping and Caring for Horses category
  • Bot fly egg spray
  • How to kill bot fly eggs horses tails

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    08-30-2012, 09:42 PM
For about 10 years there were so many additives in engine oil but most have been eliminated. The horses don't ingest it as they don't seem to get itchy. All biting insects are deterred from biting. It needs to be applied every 3 days. Put on old clothes as the stains don't come out. I also pour it into the tail and let them slap it on themselves and whoever the horse stands head to tail with. They oil each other.
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    08-31-2012, 03:58 PM
You can rub the bot eggs off with a pumice stone if you are uncomfortable using a knife. Also, there is a product called "Ovitrol" spray that kills the eggs on contact so that they can never hatch. If you keep it applied during bot fly season, the eggs will die as soon as they land on the horse. (Also kills fleas, ticks, mosquitos, mites, etc.) Great stuff.

I saw on YouTube where bots had burrowed into a lady's chest and they had to dig out those maggots from the giant holes with tweezers. So yeah, I wouldn't go on YouTube to find bot fly info!! You'll be all kind of grossed out.
    09-02-2012, 09:36 PM
I got curious and had to go look after reading this . *barf*
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    09-02-2012, 09:53 PM
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Not much activity here yet with them. I keep the horse sprayed with a really obnoxious smelling, but effective fly spray and the flies don't want to get near him.
The donkeys on the other hand HATE anything with a scent, so fly spray is out. In late spring they both started getting the little midgies really bad, so I started coating them once a week with vasaline ywhere they were being bothered.
Goey, yes... but very effective in keeping the midgies and flies away.
I don't see any bot eggs on them yet either.
    09-02-2012, 10:00 PM
Green Broke
Originally Posted by xJumperx    
We have never had a single bot fly egg on a horse - could someone tell me if they are more uncommon in KY? What should I be watching out for, given something pops up?

You are probably just not noticing them - they are here in KY right now. Some were out earlier in the year, then they seemed to have disappeared but this last week they are out with a vengeance. Nasty things.

As to the video with the burrowing bot larva - thankfully its a different type of bot!
    09-02-2012, 10:29 PM
So the ones on the horses burrow or not? This is the first year I've had to deal with them, or heard that they were in the area. I'm freaked out.
    09-02-2012, 11:18 PM
Originally Posted by xJumperx    
We have never had a single bot fly egg on a horse - could someone tell me if they are more uncommon in KY? What should I be watching out for, given something pops up?
I am in Kentucky and we have them they are a pita to the horses mine get as grumpy with them as they do the horse flies if you see them stamping their feet and in a pretty bad mood look around the legs you should see a bee looking fly.
    09-03-2012, 12:15 AM
A tiny bit OT, but my last dog came to me as a puppy and I squeezed out more than thirty burrowed bot larvae... off one puppy... Buueeerrrk.

On the horse front, I scrape them off with a razor blade. I can't see the point either of buying a special knife - it's just a blade edge you want. I'm going to look for this Ovitrol stuff now, though.
    09-03-2012, 08:40 AM
You can also use chain saw oil which is red and farily cheap. It's mainly sugar. It too deters flies. I apply it, or car oil, mainly to the lower legs.
    09-03-2012, 11:04 AM
The horse bots eggs are laid on their legs. The horse bites at and ends up swallowing them. The fly larva spend their time in the horse's stomach, causing gastritis all winter. Then they pass out in the manure and start the cycle all over.

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