What is the main benefit of vaccination in animals?

Vaccination plays a crucial role in protecting animals from infectious diseases. The primary purpose of vaccines is to stimulate an animal's immune system to recognize and fight specific pathogens, such as viruses and bacteria, before they can cause illness. By preventing these diseases, vaccinations not only enhance the overall health of the animal but also contribute to the welfare of the surrounding community by reducing the spread of contagious infections.

While vaccinations may indirectly contribute to an increase in lifespan by preventing serious diseases, the direct and main benefit is disease prevention. Coats may improve as a consequence of overall health but are not a direct aim of vaccination. Similarly, enhancing intelligence is not a benefit associated with vaccinations, as vaccines do not affect cognitive functions. Therefore, the primary function of vaccination in animals is clearly to prevent the occurrence of infectious diseases.