Fahrenheit along with pain, distress, and suffering. The ruptured blisters leave raw, eroded areas surrounded by ragged fragments of loose tissue and are extremely painful. This makes consumption of food by the animal difficult. The sores on the hooves often cause reluctance to walk or lameness. It is spread by physical contact with other animals, people, farm equipment, and other objects.
Airborne transmission is also possible, over distances of many miles.
Spontaneous abortions often occur, milk flow is drastically decreased, and conception rates decrease. The AVMA, which was founded in 1863, has been active in animal disease surveillance and prevention.