Villar, A., Gradillas, G., Fernández-Ruiz, C., Rodríguez-Bermúdez, R. and López-Alonso, M. (2016) “Dynamics of mammary infections in organic dairy farms in Northern Spain”, Spanish Journal of Agricultural Research, 14(2), p. e0502. doi: 10.5424/sjar/2016142-7626.