Blank-firing systems work with propane gas and repel birds with intensely audible blank shots. The units can shoot in an irregular pattern in order to reduce habituation of the birds.
The important characteristics of blank-firing systems
- Birds are dispersed by warning shots. Three shots turned out to be most successful: first shot (scaring), second shot (soaring up), third shot (flying away)
- The sound pattern with three combined shots turned out to be most successful in reducing any habituation of the birds.
- With a timer the devices can be programed to turn off and on at your specificied times.
- Due to the high volume of noise the systems are used only at a sufficient distance away from the nearest populated settlement.
- Blank-firing systems can be supplemented with moving elements. Some birds (Blackbirds, Thrushes, Herons) respond more to movement than
to auditory stimuli. Therefore, the device Purivox Razzo Triplex V is
one of the most effective of its kind.
Available Blank-firing systems
Purivox Triplex V
Purivox Carousel Triplex V
Purivox with mirror pyramid
Purivox Razzo Triplex V
Pros
- Natural control method
- Loud warning shots to scare birds
- combined with elements of movement increases the bird control effect
Cons
- The system cannot be used in the immediate vicinity of populated settlements.
- Therefore the units are limited to large open areas and agriculture
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