THE BVA's position on the classification of anthelmintic products ( VR , February 9, 2013, vol 172, p 145; February 16, 2013, vol 172, p 171; March 2, 2013, vol 172, p 228) has been several years in the making and is the direct result of the growing concerns within the veterinary profession (and particularly among veterinary parasitologists) about the rise in anthelmintic resistance in grazing animals (Coles and others 2008, Morgan and Coles 2010). The reports of developing resistance in cattle are particularly worrying (Stafford and others 2010). Anthelmintic resistance in sheep is a serious problem that has been growing for years. The situation is so severe that we believe we must act now or face the consequences of newer classes of anthelmintics becoming ineffective. The BVA, through its Medicines Group and Veterinary Policy Group, has been looking …