Horses are herbivores. Tamed by humans 4000 years ago. Platts wild horses, domestic horses can cross and have offspring. Horses used to be the main driving force of ancient agricultural production, transportation and military activities. There are about 200 kinds of horses in the world.
With the development of productive forces, the improvement of science and technology, the invention and wide application of power machinery, the role of horses in real life is becoming less and less. Horses are mainly used for equestrian sports and milk and meat production, and the feeding quantity is greatly reduced. However, in some developing countries and regions, horses are still mainly used for service and are an important source of service strength.
Horse's sense of smell is very developed, and it is an organ with very strong information perception ability. It is easy to accept all kinds of information from outside without being detected by hearing or other sensory organs, and it can react quickly.