ACQUIRING high health replacement females has become a common practice in the pig industry, as producers aim to manage healthier pigs and apply strict biosecurity to keep pathogens at bay. However, depending of the health status of the recipient herd, this practice may carry unwanted challenges. Health challenges in the incoming and recipient females need to be properly managed in order to avoid health issues and production disruption in the recipient herd. Here, we propose a targeted timeline for acclimatisation of negative gilts entering a farm endemically infected with Mycoplasma hyopneumoniae . Considering two important epidemiological features of M hyopneumoniae – …