Streptococci as the new dominant aetiological factors of mastitis in dairy cows in north-eastern Poland: analysis of the results obtained in 2013–2019

por Kaczorek-Łukowska, E., Małaczewska, J., Wójcik, R., Naumowicz, K., Blank, A., Siwicki, A. K.
Publicado 2021