An antioxidant range of boluses designed to deliver a controlled quantity of vitamin E and selenium over key periods of stress. These boluses are administered with a single application and have an active life of approximately 60 days.


A sustained release antioxidant bolus containing a combination of vitamin E, selenium and grape extract. Intended for adult cattle on grass or forage-based diets with a liveweight over 400 kg.

ESey CALVER ADULT CATTLE is designed to support antioxidant levels during the transition period when the cow is under stress and when vitamin E levels fall at calving.

ESey CALVER ADULT CATTLE supplies the animal’s full daily requirement of each nutrient for approximately 60 days.

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