A sustained release bolus containing iodine, cobalt and selenium. Intended for growing cattle on grass or forage-based diets with a liveweight of 200 Ð 400 kg. Designed for situations where iodine, cobalt and selenium supplementation is essential for efficient growth, optimum health and fertility but where additional copper is not required. Supplies the animalÕs full daily requirement of each essential trace element for 180 days.
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