Beef Cattle Research Council
Vaccines stimulate the immune system of the animal to produce antibodies. Antibodies (or immunoglobulins) are proteins created by cells in the blood. Antibodies can also be created in various lymphoid tissues that can be found in the intestine or upper respiratory tract. These specific proteins help to destroy various infectious organisms that can cause disease. Cattle also produce antibodies when they are naturally exposed to infectious organisms. Vaccines are certainly a primary component of our modern herd health programs, but it is important to remember that they rarely provide absolute protection and other management components such as biosecurity, nutrition and environmental management also play important roles in protecting the herd from infectious diseases.
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