Fig. 2.

Barn layout for dairy education event with environmental sampling locations and previous animal exhibit areas. Environmental samples were collected from distinct event activity areas in the barn 6 and 19 days after the dairy education event. The first hay maze sample included hay from four different bales and swabs from the floor and manure bunker exterior wall; the second consisted of swabs from the floor and manure bunker exterior wall. The manure bunker sample was taken from the interior walls and floor. The first and second circles of farming bleachers sample contained swabs of each of the three sets of bleachers. Both northeast bleachers were swabbed. The petting zoo was located inside a trailer and included a miniature donkey, miniature horse, goat, calf, lamb and rabbit. During previous events, animals, including young cattle, were exhibited in the areas shown with shaded circles in the north end of the barn. The bleachers shown at the circle of farming and petting zoo areas were used in the north end of the barn at previous animal exhibits. Items are not drawn to scale.