Detection of carcass contamination using video image analysis during industrial pig slaughter
J. Tholen, A. Kirse, A. Voß, G. Schulze Althoff, L. Strotkötter, L. Kreienbrock, M. Upmann, Frontiers in Food Science and Technology 6 (2026).

Influence of a hygiene feedback system during pig slaughter on the frequency of carcass contamination
J. Tholen, M. Upmann, Journal of Food Safety and Food Qualityf: JFSFQf: Archiv Für Lebensmittelhygiene 75 (2024) 156–160.