TY - JOUR A1 - Galles, K A1 - Ham, J A1 - Westover, E A1 - Stratton, J A1 - Wagner, J A1 - Engle, T A1 - Bryant, T C T1 - Influence of reduced nitrogen diets on ammonia emissions from cattle feedlot pens. Y1 - 2011/11/11 N1 - R834551 VL - 2 IS - 4 SP - 655 EP - 670 ER -