piglets feeding
Three hog barns reflected on a manure lagoon in the foreground
hog-barn-turbine-DarcyMaulsby-ThinkstockPhotos
Hogs on slats in hog barn
Pigs eating at a feeder.
baby pigs  with swine tech device in foreground
Hogs in pen in modern hog barn
pork processing plant line
sow nursing piglet