In scours, the principal causes of death are usually dehydration and shock. In respiratory disease, antibiotics and sulpha drugs are often used, but the reason is either to treat, prevent or control the secondary bacterial infection which may develop in addition to the virus infection. If possible, disinfect the navel of newborn calves with iodine. Be sure the calf nurses within the first 30 minutes as this has a bearing on its disease resistance ability. Know the vital signs of a young calf and be alert to signs of a sick calf - lowered head and ears, rapid breathing, scours, abnormal posture, standing or lying down, unusual position in relation to the rest of the herd.
Early treatment is essential.
Review procedure and have a fluid therapy program prepared for scouring calves, as dehydration and secondary disease problems are the big calf killers. Be ready to resuscitate the calf if it does not start breathing within 15 - 20 seconds after birth. Check cows that calve for signs that the calf has nursed. Plan Ahead Prepare for processing calves. Review vaccination program for calves.