TY - RPRT TI - The optimization of Salmonella surveillance programmes for pullet and layer farms using between-farm distance as a risk factor AU - Hobbelen, P. AU - Hagenaars, T. J. AU - Peri Markovich, M. AU - Bellaiche, M. AU - Giovannini, A. AU - De Massis, F. AU - de Koeijer, A. PY - 2023 DO - 10.1101/2023.09.10.557094 UR - https://www.biorxiv.org/content/10.1101/2023.09.10.557094v1 ID - 10.1101/2023.09.10.557094 ER -