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Dungan, R.S. and Leytem, A.B. (2009) Airborne endotoxin concentrations at a large open-lot dairy in southern Idaho. Journal of Environmental Quality. 38:1919-1923.
Kebreab, Ermias and Hansen V, Anja and Leytem, A.B. (2013) Feed management practices to reduce manure phosphorus excretion in dairy cattle. Advances in Animal Biosciences. 4(s1):37-41. 27 September 2013.