Dr Alex-Kate Langfield – Hatch House

The egg industry faces significant challenges from wild birds and waterfowl that can introduce biosecurity risks and damage infrastructure. Managing these intrusions is essential for maintaining high production standards, protecting animal welfare, and preventing disease transmission, such as avian influenza. To mitigate these risks, farmers utilise a variety of deterrent strategies, including audio noise devices, laser deterrents, stationary predatory bird models, and other effective methods.

Audio Noise Deterrents

One of the most widely used methods to deter wild birds from poultry farms is the use of audio noise deterrents. These devices emit sounds that mimic the calls of predatory birds or create sudden loud noises that startle and drive away nuisance birds. Sonic and ultrasonic deterrents have proven effective in dispersing flocks of starlings, pigeons, and seagulls, which are common pests around egg production facilities. Regularly changing the sound patterns ensures that birds do not become accustomed to the noise, maintaining its effectiveness over time. It is important to note that just having a loud noise may not be effective for some species. Noise levels between 1000 – 2000 mh are most effective.

Laser Deterrents

Laser technology is an increasingly popular and humane method for managing wild birds in the egg industry. Green lasers, in particular, create a moving beam that birds perceive as a physical threat, prompting them to flee. This method is particularly useful during early morning and evening hours when birds are most active. Unlike other deterrents, lasers are silent and non-disruptive to farm operations. Additionally, they can be used over large areas and can be automated to cover various angles and locations. There are now cameras that have both laser and audio noise features.

Stationary Hawk and Owl Models

Using visual deterrents such as stationary hawks and owl models is another approach to keeping wild birds at bay. These models exploit the natural fear response of smaller birds toward raptors, reducing their presence in poultry farms. Some models incorporate movement, such as rotating heads or flapping wings, to enhance realism and effectiveness. However, for long-term success, it is crucial to reposition these models periodically, as birds may recognise static figures as non-threatening over time.

Reflective and Physical Barriers

Reflective deterrents, such as hanging CDs, reflective tape, and spinning devices, create unpredictable light flashes that disorient and scare birds away. These methods are particularly effective when used in conjunction with other deterrents. Physical barriers, such as netting and fencing, provide another layer of protection, particularly for preventing access to feed storage areas and poultry enclosures. Well-maintained netting is a reliable long-term solution for deterring both ground and aerial intruders. Spikes may also be another consideration.

Bird Control Drones

Emerging technologies, such as bird control drones, are being adopted to deter wild birds in large-scale egg production facilities. These drones can be programmed to patrol specific areas, emitting predator sounds or mimicking raptor flight patterns to scare birds away. They offer flexibility and mobility, covering large areas effectively.

Conclusion

Implementing a combination of deterrent methods is the most effective strategy for controlling wild birds and waterfowl in the egg industry. By integrating audio noise, laser deterrents, stationary predatory bird models, reflective barriers, and advanced drone technology, egg producers can minimise risks and enhance farm biosecurity. Regular monitoring and adapting deterrent strategies ensure long-term success in managing bird populations while maintaining ethical and humane practices.