The state is moving forward with its process to revisit some of the regulations that govern Wisconsin's livestock siting rules. With the smell of large-scale farms a source of debate, Iowa State University agriculture and biosystems engineering professor Jacek Kozel discusses the science of smell.

Nearly 60 years after gray wolves were considered extinct in Wisconsin, the population has rebounded dramatically. But the conservation success story has turned into a nuisance for hunters, farmers and others whose animals are increasingly encountering wolves.

The American Public Health Association is calling on federal, state and local governments to halt approval of large livestock farms until more is known about their impacts to public health.

Turkey farms in Wisconsin continue to cater to local markets. But 2017 numbers numbers from the U.S. Department of Agriculture show some decline in production.