PRID Contra-indications, warnings, etc Do not use in sexually immature heifers. Do not use in females with abnormal genital tracts e.g. freemartins. Do not use in animals with genital infections. Do not use in pregnant cows. Do not use in cows calved less than 35 days except when using at 21 days onwards for late calvers in seasonally calving herds where, in healthy cows, early service is required. Do not use in cows and heifers in a poor nutritional state. Gloves must be worn when handling the product both during insertion and removal. Do not smoke when administering the product. Withdrawal periods Milk: Zero hours Meat and offal: Zero days The device should be removed before sending the animals to slaughter. Keep out of the reach of children. For animal treatment only.