1, cattle belong to the cattle family, herbivorous, stout, and some bulls have a diagonal head, which can help human beings to carry out agricultural production.
2. Sheep is a general term for sheep subfamily. Mammals and ruminants generally have a diagonal on their heads, and there are many varieties, such as sheep, lake sheep, goats and rock sheep.
3. Pigs are vertebrates, mammals, domestic animals, ancient omnivorous mammals, and domestic pigs are subspecies formed by wild boar domesticated by human beings.
4. Dogs belong to Chordata, Vertebrate, Mammalia, Euthera, Carnivora, Schizopoda and Canidae.
5. Horse is a herbivore of Equus, which was the main driving force of agricultural production, transportation and military activities in ancient times.
6. Chicken is a kind of poultry. Domestic chicken comes from wild original chicken, including turkey, black-bone chicken and pheasant.
Extended data:
1, there are thousands of kinds of animals, but the relationship between six animals and people is the closest. Their varieties are optimized, and some of them specialize in many things, which are all masterpieces of human beings; Social progress of mankind.
2. Horses, cows and sheep are mostly found in bronze age cultural sites, which are related to nomadic lifestyle; Pigs, dogs and chickens are common in Neolithic cultural sites and are related to settled agricultural production methods.
3. Animal husbandry mainly includes cattle, horses, donkeys, mules, camels, pigs, sheep, chickens, ducks, geese, rabbits, bees and other livestock and poultry raising industries, and wild economic animals such as deer, mink, otter and musk deer domestication industries.
4. Dairy industry is a regional type of commercialized and intensive animal husbandry oriented to the urban market, which is formed with the development of the city. Its main production targets are dairy cows, and its products are milk and its products, such as milk powder, butter and cheese.
References:
Baidu encyclopedia _ six livestock Baidu encyclopedia _ animal husbandry