Tyrone countryside. Picture: Cliff Donaldson
Commodity Watch, written by policy officer, Kellie McEvoy
Veterinary medicine products are crucial for farmers to help prevent and treat diseases that affect livestock health, welfare, and productivity. Veterinary medicine products can range from antibiotics to anthelmintic doses. However, alongside their benefits comes a clear responsibility for farmers to follow the correct withdrawal periods every time animal medicines are used.
Withdrawal periods define the minimum time that must pass between administering a veterinary medicine product and sending an animal for slaughter or selling its products, such meat and milk. These timeframes are carefully set to ensure that any residues in meat or milk fall within safe and legal limits. While this is a regulatory requirement, it is also about protecting your own business. Getting withdrawal periods right safeguards your stock, your income, and the reputation of the wider UK farming industry.
Details of withdrawal periods for both meat and milk can be found on the medicine packaging or accompanying leaflet. These must always be recorded accurately in your veterinary medicine records. Failing to observe a withdrawal period can have immediate and costly consequences. Animals presented too early may be rejected at the abattoir, with carcasses condemned and their value lost. In more serious or repeated cases, breaches can lead to enforcement action from DAERA, loss of farm assurance scheme status, and potentially prosecution.
The impact does not stop at the individual farm. Residue failures are captured through national monitoring programmes overseen by the Food Standards Agency. These results contribute to how UK produce is viewed by processors, retailers, and export markets. In a competitive trading environment where standards are closely scrutinised, maintaining confidence in food safety is essential and every farm plays a role.
Preventing issues with withdrawal periods comes down to good systems and attention to detail. Farmers should ensure that medicine records are kept up to date and accurate at all times. Treated animals should be clearly marked or physically separated to avoid any confusion. Withdrawal periods should always be double-checked, even for familiar products, as guidance can change. It is also good practice to calculate and record the exact withdrawal end date at the time of treatment, rather than relying on memory later. Just as importantly, anyone working on the farm must be aware of which animals have been treated and any restrictions that apply.
Many breaches are caused by small, avoidable mistakes e.g. losing track of a treated animal, misreading a label, or assuming a withdrawal period without checking. Putting robust systems in place helps prevent these errors before they occur.
Responsible use of animal medicines, including strict adherence to withdrawal periods, also supports wider efforts to tackle antimicrobial resistance. Demonstrating careful and controlled use of medicines shows that farmers are committed to safe, sustainable production, which is increasingly important to both consumers and supply chains.
