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Doherr, MG; Roesch, M; Schaeren, W; Schällibaum, M; Blum, JW (2007). Risk factors associated with subclinical mastitis in dairy cows in Swiss organic and conventional production system farms. Veterinární medicína(52), pp. 487-495. Praha: Československá akademie zemědělská, Ústav védeckotechnických informací pro zemědělstvi
Roesch, M; Perreten, V; Doherr, M G; Schaeren, W; Schällibaum, M; Blum, J W (2006). Comparison of antibiotic resistance of udder pathogens in dairy cows kept on organic and on conventional farms. Journal of dairy science, 89(3), pp. 989-97. Savoy, Ill.: American Dairy Science Association 10.3168/jds.S0022-0302(06)72164-6
