What purpose does an Elizabethan collar serve for animals post-surgery?

The Elizabethan collar, commonly known as an "E-collar," is primarily designed to prevent animals from licking or biting at their surgical wounds or injuries. After surgery, animals may be inclined to groom themselves, which can lead to complications such as infections or irritation of the surgical site. The collar acts as a barrier, ensuring that the animal cannot reach the affected area with its mouth. This protective measure is crucial for allowing the wound to heal properly and prevents the need for additional medical intervention due to self-inflicted damage.

While other options mention providing warmth, aiding vision, or facilitating feeding, these are not the primary functions of an Elizabethan collar. It is specifically focused on protecting healing areas on the body, which is why it is an essential tool in post-surgical care for animals.