Ammonia, carbon monoxide, carbon dioxide, hydrogen sulfide, and methane in swine confinement facilities
Gerber, D.B.; Mancl, K.M.; Veenhuizen, M.A.; Shurson, G.C.
Compendium on Continuing Education for the Practicing Veterinarian 13(9): 1483-1488
This survey covers recent research, states the concern levels characteristic of ammonia, carbon dioxide, hydrogen sulfide, carbon monoxide and methane and gives a summary and recommendations.