To determine the number
of parasitized fly pupae needed for your individual situation, you will
need to take into consideration the number of animals, level of your
current fly infestation, the size of your facility and the results you wish
to achieve. The recommended start-up time is early in the spring after your
last frost, three to four weeks prior to your normal fly season with
distribution continuing every two to three weeks until the first frost of
the fall. Release quantity guidelines are based on quantity of Fly
Parasites needed to maintain control under average conditions. Warmer more
humid conditions will likely require a greater quantity, with cooler dryer
conditions possibly needing less. A larger area and/or an area with more
abundant fly habitat will require a greater quantity. Good versus poor
manure management will affect the quantities to a great extent also.
To establish control of
an existing fly population, the normal procedure is to double or
triple the guideline quantity for the first two shipments. This results in
a number of Fly Parasites large enough to overwhelm the flies’ reproduction
capacity until the fly population drops off. This is usually not necessary
when establishing a Fly Parasite population at the beginning of the season
before flies start to emerge. Fly Parasites limit the hatch of new
generations of flies, but do not have any effect on the existing adult
population. Therefore, we recommend the use of fly traps and baits to
augment the Fly Parasites as well as using good manure management to reduce
fly breeding habitat. Other livestock in the general area can produce a fly
population which can migrate a substantial distance. The use of fly traps
at the perimeters of your livestock area can markedly reduce this
migration. Introducing your neighbors to a Fly Parasite Program can be to
your benefit as well as theirs.
The flies’ ability to
reproduce is influenced by many factors. At times, various conditions can
cause a rise in the fly population resulting in the need to re-establish
control as stated above. Release instructions are packaged in the first
shipment of the season. They should be read and followed carefully. Proper
distribution practices will have a substantial impact on the results you
achieve. Establishing a properly managed Ecological Program provides you
with a sensible, long-term method of fly control
We recommend looking at the information and recommendations for all the
types of animals you may have regardless of whether you intend to treat those
animals due to the impact they may have on the successful implementation
of your EcoLOGICAL Fly Control Program.
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I raise and train Tennessee Walking trail horses for older and handicapped riders on
Winter Ridge Ranch in Summer Lake Oregon. A couple of months after my first
shipment of fly parasites from The Source, the problem with face flies, horn flies
and house flies was gone. No more treating weepy, crusted eyes, no more orders
for gallons of horse spray in the summer months.
My husband and I are in our sixties and there are a number of things we’ve had to
cut back on. But, as long as we have horses, there will be a shipment of parasites
to our address every three weeks during fly season.
Judy B
Winter Ridge Ranch
Summer Lake, OR.
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Adult Parasite Deposits Eggs
Adult Parasite Emerges From Pupal Casing
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