Authors: Juszczak, J Hibner, A Tomaszewski, A

Citation: J. Juszczak et al., The dynamics of changes in performance indices in a holstein-friesian cross-breed cow herd, MED WETER, 57(4), 2001, pp. 284-287

Authors: Juszczak, J Erhardt, G Kuczaj, M Zieminski, R Panicke, L

Citation: J. Juszczak et al., Relations between genetic variants of kappa-casein and beta-lactoglobulin and performance of Black and White and Polish Red cattle, ARCH TIER, 44(3), 2001, pp. 239-249