That's a very good question.
Trespassing is becoming a threat. As I said earlier, trespassers on a turkey farm could cause the birds to huddle out of fear. It also puts biosecurity at risk because anyone who enters a farm without authorization and who does not follow the necessary biosecurity protocols could introduce other health problems, as I mentioned. For instance, those entering areas where animals are kept have to put on certain overgarments and change their footwear to make sure they are not introducing a disease such as laryngotracheitis or avian influenza.
The two risks you mentioned are major concerns for Quebec's poultry farmers.