Compared to LD low dust, units with shavings bedding and haylage feeding +Ionization what was the result of  HD, high dust unit with straw bedding and dry hay feeding; +Ionization on concentrations of dust, endotoxin, or fungi.?
The dust and endotoxin concentrations are shown in Figure 3. Ionization did not significantly affect the amount of dust and endotoxin in the different units.