Barkema H. W., Schukken Y. H., Lam T. J. G. M., Beiboer M. L., Benedictus G., Brand A. (1998). Management practices associated with low, medium, and high somatic cell counts in bulk milk. J. Dairy Sci., 81: 1917-1927.
Borkowska D., Januś E., Różycka G. (2001). Analysis of the influence of selected factors on the properties of industrial milk, produced in individual farms (in Polish, English abstract). Zesz. Nauk. Prz. Hod., 59: 79-87.
Dufour S., Fréchette A., Barkema H. W., Mussell A., Scholl D. T. (2011). Invited review: Effect of udder health management practices on herd somatic cell count. J. Dairy Sci., 94: 563-579.
Elmoslemany A. M., Keefe G. P., Dohoo I. R., Wichtel J. J., Stryhn H., Dingwell R. T. (2010). The association between bulk tank milk analysis for raw milk quality and on-farm management practices. Prev. Vet. Med., 95: 32-40.
Gardzina E., Węglarz A., Feleńczak A., Ormian M., Makulska J. (2002). Microbiological quality of milk in critical points of milking and storage (in Polish, English abstract). Zesz. Nauk. Prz. Hod., 62: 97-106.
Kamieniecki H., Wójcik J., Kwiatek A., Skrzypek R. (2004). Factors affecting the hygienic quality of bulk tank milk (in Polish, English abstract). Med. Weter., 60: 323-326.
Ptak E., Jagusiak W., Żarnecki A., Otwinowska-Mindur A. (2011). Heritabilities and genetic correlations of lactational and daily somatic cell score with conformation traits in Polish Holstein cattle. Czech J. Anim. Sci., 6: 205-212.
Pytlewski J., Antkowiak I., Skrzypek R., Kęsy K. (2009). The effect of dry period length on milk performance traits of Black-and-White Polish Holstein-Friesian and Jersey cows. Ann. Anim. Sci., 9: 341-353.
Pytlewski J., Antkowiak I., Staniek M., Skrzypek R. (2010). Intensity and causes of culling in Polish Black-and-White Holstein-Friesian cows. Ann. Anim. Sci., 10: 477-487.
Rodrigues A. C. O., Caraviello D. Z., Ruegg P. L. (2005). Management of Wisconsin dairy herds enrolled in milk quality teams. J. Dairy Sci., 88: 2660-2671.
Sandrucci A., Tamburini A., Bava L., Zucali M. (2007). Factors affecting milk flow traits in dairy cows: Results of a field study. J. Dairy Sci., 90: 1159-1167.
Skrzypek R. (2002). Somatic cell count in bulk tank milk in relation to management and technological factors (in Polish, English abstract). Med. Weter., 58: 632-635.
Skrzypek R., Wójtowski J., Fahr R.-D. (2004). Factors affecting somatic cell count in cow bulk tank milk - a case study from Poland. J. Vet. Med., A, 51: 127-131.
Skrzypek R., Szukalski L. (2006). Performance of Black-and-White cows imported from the Netherlands and Germany compared to cows bred in Poland (in Polish, English abstract). Med. Weter., 62: 197-200.
Wroński M., Jarmuż W., Skrzypek R. (2008). Interactions among pre-milking and post-milking procedures used in cows for protecting udder health (in Polish, English abstract). Med. Weter., 64: 327-331.