Supplementary file 1_Impact of the colistin ban on antimicrobial use and resistance-related practices among layer farmers in Indonesia: a comparative KAP study.docx

Here we describe the knowledge, attitudes, and practices (KAP) of Indonesian layer farmers regarding AMR and antimicrobial use (AMU) before the national ban on colistin use, as well as the awareness of farmers of the ban.</p>Materials and methods<p>The first phase, conducted in 2014 as part of a study carried out between 2013 and 2016, involved a cross-sectional survey of small-scale layer poultry farmers, assessing their KAP toward AMU and AMR through a structured questionnaire.

Farmers’ responses were scored to determine KAP levels. The second study, conducted in 2023 among Indonesian layer farmers following the 2019 colistin ban, used a survey to evaluate 55 participants’ awareness of the ban and their current AMU practices.</p>Results<p>Before the colistin ban, 27.5% of layer farmers in Indonesia demonstrated a high level of knowledge regarding AMU and AMR, while the majority had moderate or low knowledge levels.