a year or less hungry for this food www.in.gov the real danger with rats is the diseases they carry http://www.in.gov/isdh/23256.htm#MOUSE 8 pounds of food per year at least one rodent for every person State Department of Health dark smears 8 pounds of food per year most common mammal eating food contaminated with rat droppings following actions to clean the area pretty much all year given the chance http://www.in.gov/isdh/23256.htm#MOUSE Indiana State Department of Health Departamento de Salud del Estado de Indiana http://www.in.gov/isdh/23256.htm#MOUSE at least one rodent for every person serious diseases http://www.in.gov/isdh/23256.htm#MOUSE consume or destroy 20% of the world’s food every year 8 pounds of food per year hungry for this food « Rats and mice » US health department ISDH: Rats and Mice preventive measures Indiana State Department of Health Indiana State Department of Health: Rats and Mice