The unloading and subsequent reloading of animals could also be a source of stress for them and contact at control posts, formerly referred to as staging points, could in certain conditions lead to the spread of infectious diseases.
Loomade peale- ja mahalaadimine võib samuti põhjustada loomadele stressi ning loomade kokkupuutumine peatuspaikades võib teatud tingimustes põhjustada nakkushaiguste levikut.