Duphatrim Bolus Contra-indications, warnings, etc FOR ANIMAL TREATMENT ONLY Animals must not be slaughtered for human consumption during treatment. Cattle may be slaughtered for human consumption only after 15 days from the last treatment. Duphatrim Bolus should not be used in animals with functionally mature rumens. User Warnings: Protective gloves should be worn to avoid skin sensitisation, which may occur when crushing the bolus of this product. Wash hands after use. Avoid direct contact with skin and eyes. If contact occurs, wash affected area with copious amounts of water. Seek medical advice if irritation persists.