Two Important Updates Regarding Livestock
Toki Oshima illustration By Diane Schivera, M.A.T. Important Update on External Use of Zinc Sulfate The USDA National Organic Program (NOP) recently sent letters of non-compliance to certifiers that allowed external use of zinc sulfate, ZnSO4, to treat hoof infections of sheep, goats and cows. MOFGA Certification Services was one of those certifiers. The NOP