2023 Iowa Code > Chapter 165A – Johne’s Disease Control

2022 Iowa Code > Chapter 165A – Johne’s Disease Control

2020 Iowa Code > Chapter 165A – Johne’S Disease Control

2018 Iowa Code > Chapter 165A – Johne’S Disease Control

2016 Iowa Code > Chapter 165A – Johne

2014 Iowa Code > Chapter 165A – Johne’s disease control

2009 Iowa Code Chapter 165A – Paratuberculosis control