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Will the guineas eat the fly predators. I've read through some comments about chickens and the fly predators cocoon stage etc. But guineas love all kinds of bugs/meal worms etc.
Will our guinea hens eat these - therefore useless to use? Unless we use just inside barn.
Very valid question! My mom has about a half dozen guineas as well as her dozen chickens. When it was just the chickens, after the Fly Predators began to hatch, we would just coop the chickens that evening and spread the Fly Predators and not release the chickens until mid day the next day. That generally kept them from messing with the Fly Predators. Because the guineas don't go in near as early as the chickens, I found I needed to change up the routine in a similar way to what we recommend for folks that have large numbers of wild turkeys or birds like peacocks.
There are 2 methods that I recommend for those situations. First, (what I do) is handling your bag a little differently. Instructions say to release them after about a dozen or so have hatched. Instead of that, hold on to the bag for 3-5 days longer until you see a bunch hatched in the bag. In the evening when the gunieas are elsewhere (ours go eat their supplemental feed during chore time), spread the Fly Predators as you normally would. The Fly Predators are so tiny, we have not had any problem with the gunieas hunting them down, but like chickens, they will quickly head over to eat the cocoons. Because it's hard to keep them cooped the extra time to let the Fly Predators disperse, I let many more hatch in the bag so they are ready to move off as soon as I put them out. This method has worked well for us.
The second method that works well for others, is using release stations. Little bags or envelopes made from window screen are perfect. The cocoons are kept out of guniea reach, and when the Fly Predators hatch, they can easily fit out the window screen and drop to the ground. With this method, you do need to make multiple stations, as the Fly Predators are still only going to travel at most 150ft from the station. On our places there are several places I need to treat without a good spot close by to hang a station. The other thing to watch for with this method is ants. If ants become a problem, you can hang the release station from an ant barrier made for hummingbird feeders.
If you have any further questions or would like further information on making release stations, please email us at email@example.com or give us a call at 866-404-3895.
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