When the human eye examines one of Craig Duhr’s lasers at a Wisconsin farm, only a green dot is visible. But to birds, a variety of green beams and shifting patterns appear.
“They see it as a threat, like a stick coming at them or a predator moving in,” Duhr said. “As they see that, they just want to avoid the area altogether.”
Duhr works for a company called Bird Control Group, which sells lasers to deter wild birds and limit the spread of avian influenza among livestock. Duhr recently appeared on WPR’s “The Morning Show” to discuss the technology amid Wisconsin’s spring bird migrations when the risk of spreading avian flu is higher.
Wisconsin’s agriculture department recommends farmers use biosecurity measures, such as lasers, to protect poultry flocks. State authorities also recently urged caution for farmers after confirmed cases of avian flu in Kansas, Texas, Michigan and Idaho dairy herds.
Avian flu remains prevalent in Wisconsin’s wild bird populations and the risk to farms this year is about the same as recent years, said Ron Kean, a poultry specialist with the University of Wisconsin-Extension. Kean said lasers are a great option to reduce spread of the disease.
“Keeping the wild birds away from our domestic birds seems to be a big part of biosecurity,” he said.
The avian flu, also known as bird flu, can have devastating consequences to farming industries and the health of birds, according to the World Organization for Animal Health. The disease has sporadically reached humans before and can be a concern for public health.
Duhr said farmers typically install two to six lasers on their properties. Bird Control Group uses the second-generation version of a green laser that scientists developed in the Netherlands in 2012. The company tried red and other colors. But studies suggest green is best to reach the birds, Duhr said.
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Categories: Wisconsin, Livestock, Poultry