Uses in organic livestock production: Allowed as a parasiticide for emergency treatment of dairy and breeder stock when organic system plan-approved preventive management does not prevent infestation. Also allowed for fiber bearing animals as of 1/28/19. Additional restrictions apply. Prohibited in slaughter stock.
Reference on the National List (effective 1/28/19): §2205.603(a) As disinfectants, sanitizer, and medical treatments as applicable. (23) Parasiticides—prohibited in slaughter stock, allowed in emergency treatment for dairy and breeder stock when organic system plan-approved preventive management does not prevent infestation. In breeder stock, treatment cannot occur during the last third of gestation if the progeny will be sold as organic and must not be used during the lactation period for breeding stock. Allowed for fiber bearing animals when used a minimum of 36 days prior to harvesting of fleece or wool that is to be sold, labeled, or represented as organic. (i) Fenbendazole (CAS #43210–67–9)—milk or milk products from a treated animal cannot be labeled as provided for in subpart D of this part for: 2 days following treatment of cattle; 36 days following treatment of goats, sheep, and other dairy species.