2024 21 CFR 589.2001 – Cattle materials prohibited in animal food or feed to prevent the transmission of bovine spongiform encephalopathy

2023 21 CFR 589.2001 – Cattle materials prohibited in animal food or feed to prevent the transmission of bovine spongiform encephalopathy

2022 21 CFR 589.2001 – Cattle materials prohibited in animal food or feed to prevent the transmission of bovine spongiform encephalopathy

2021 21 CFR 589.2001 – Cattle materials prohibited in animal food or feed to prevent the transmission of bovine spongiform encephalopathy

2020 21 CFR 589.2001 – Cattle materials prohibited in animal food or feed to prevent the transmission of bovine spongiform encephalopathy

2019 21 CFR 589.2001 – Cattle materials prohibited in animal food or feed to prevent the transmission of bovine spongiform encephalopathy

2016 21 CFR 589.2001 – Cattle materials prohibited in animal food or feed to prevent the transmission of bovine spongiform encephalopathy

2015 21 CFR 589.2001 – Cattle materials prohibited in animal food or feed to prevent the transmission of bovine spongiform encephalopathy

2014 21 CFR 589.2001 – Cattle materials prohibited in animal food or feed to prevent the transmission of bovine spongiform encephalopathy

2010 21 CFR 589.2001 – Cattle materials prohibited in animal food or feed to prevent the transmission of bovine spongiform encephalopathy