These Osmonds premium brand Cleansing Pessaries come in a 10 pack container and is ideal for use after routine parturition, trauma related abortion and caesarean to restore good condition to the reproductive tract. Osmonds are a leading brand of livestock supplementation products across Ireland and the UK and have proven time and again to be a popular choice amongst farmers and other animal health care professionals. Cattle: 2-4 pessaries. Sheep: Half - 1 pessary.