The fourth stomach of a ruminant equivalent to the only stomach present in animals with single stomachs. The abomasum secretes acids and enzymes to digest feed. Loss of appetite. An agent that destroys internal parasites.
Colostrum also contains large amounts of antibodies.
Any foreign body that, once in the body, stimulates the production of an antibody. The coat of many bacteria and the structure of many toxin molecules are antigens. Some bacteria are beneficial, but others cause infectious diseases. An acute distension of the left side of a calf caused by entrapment of gases of fermentation within the rumen. A major, white, odorless and tasteless milk protein.