In Press: Risk factors for clinical mastitis, ketosis and pneumonia in dairy cattle on organic and small conventional farms in the United States
The US regulations for production of organic milk include a strict prohibition against the use of antimicrobials and other synthetic substances. The effect of these regulations on dairy animal health has not been previously reported. The objective of this study was to characterize disease detection and identify risk factors for selected diseases on organic and similarly sized conventional farms.
R.M. Richert, K.M. Cicconi, M.J. Gamroth, Y.H. Schukken, K.E. Stiglbauer and P.L. Ruegg
J. Dairy Sci, 96: 1-17