The cornea is the clear, shiny membrane that makes up the surface of the eyeball. It is much like a clear window. To understand a corneal ulcer, you must first understand how the cornea is constructed.

Coronavirus disease is a variable intestinal infection of dogs that is usually short-lived, but may cause considerable discomfort for a few days. The cause is a virus of the Coronavirus family. The virus gets its name from the fact that when viewed from above under an electron microscope the virus has a ring of projections which appear like a coronet. Different coronaviruses cause infections in many species of animals and birds. People are not affected by Canine Coronavirus.

Dogs are highly social animals that make wonderful pets. They can be effective as watchdogs, are excellent companions for play and exercise, and are sources of affection and comfort. However, with the lifestyle and schedule of the majority of families, dogs must learn to spend a portion of the day at home, while their human family is away at school, work, shopping or recreational activities. During those times when you are away and unavailable to supervise, the pet may still feel the need to chew, play, explore, eat, or eliminate.

The knee joint of the cat is one of the weakest in the body. Just as football players frequently suffer knee injuries, the cat also can have knee injuries.