All Trace Dry Cow – 101g x 20 The All Trace Dry Cow is a sustained-release bolus designed for grazing or forage-fed dry dairy cows and heifers over 400 kg . Its professional formulation provides six essential trace elements and three vitamins , helping farmers maintain optimal nutritional status during the dry period and supporting calving, lactation onset, and conception . The All Trace Dry Cow is ideal for farmers and herd managers who need a reliable, long-lasting supplement to ensure cows remain in peak condition while off supplemental feed. By maintaining trace element levels during this critical recovery and embryo development phase , the bolus helps support healthy calves, easier calvings, and improved conception rates . These boluses are designed to lie in the reticulum and dissolve from a constant surface area , providing a continuous and regular nutrient supply for up to 120 days . They dissolve completely, leaving no residue, and can be administered two per animal in a single, simple application , ideally during routine drying-off procedures. The All Trace Dry Cow is safe, effective, and has no milk or meat withholding period , making it a practical and essential additio