Birds and damage in grain breeding trials are synonymous, and each
breeder will have his or her unique way to tackle it. Some will go on
the offense and others on the defence. The first usually leads to the
culling of birds. It’s a last resort action that only brings reprieve
for a season or two, and also for many bird lovers not an acceptable
option.
Over the past ten years, there has been a
significant increases in the hectares being planted at Welgevallen
Experimental Farm as part of breeding trials of the Plant Breeding
laboratory (PBL). These efforts form part part of contract research
being conducted in support of the local wheat industry.
“To
covering our trials with nets became an almost impossible task and also
too expensive,” The netting also made the use of newer phenotyping
platforms, i.e. drones, impossible.
The PBL therefore had
to rethink our defence mechanisms and started exploring different
deterrents. With a school to the one side and a residential area to the
other it however significantly limits your options. In 2015 following
extensive research on possible deterrents we made contact with Eagle Eye
Bird Control (a local South African company) and got hold of a
high-powered handheld laser. The laser was extremely effective in
chasing away unwanted birds, but needed a human operator. Many long days
later we realised this was not a sustainable long-term solution.
Fast
forward to the 2017 season. Following the extensive search in regard to
“bird laser deterrents” in 2015 “Professor Google” forwarded an alert
for a new product. It was for the Autonomic bird repelling laser from a
Dutch based company called Bird Control Group (BCG). We made contact and
in May 2017 a demonstration unit were imported and installed at WEF, a
first time the technology is deployed in South Africa.
The unit
consists of a high-powered, class 3B, green laser that is housed in a
water tight casing, similar to that of a security camera. The laser’s
path can be programmed and is completely adaptable to the user’s
requirements. The unit can therefore autonomously cover the
pre-determined area 24/7 without any human intervention apart from the
initial programming.
But does it work? Yes. This season we have
suffered almost no damage in the areas covered by the laser beam thus
far. How does it work? The birds identify the laser’s beam as a physical
threat and therefore flees away from it. In most cases our experience
is that once it flees it will not return either. The Autonomic is also
extensively used in other areas of the world at airports and industries
prone to bird damage. The versatility of the technology is further
illustrated with the Seabird saver laser system that were developed in
partnership with the World Wildlife Fund.
The laser is generally
regarded as safe and fitted with BCG’s patented Projection Safety System
(PSS) that blocks the laser from shining outside the programmed area.
Keeping birds
away without harming them while not impacting the
environment or impacting WEF’s neighbours. Thereby, providing a
high-tech, innovative solution for a low-tech problem!
Photo description: Photograph of trial field during WEF 2017 showing no bird damage.