The four stomachs of cattle are rumen, reticular stomach, bicuspid stomach and abomasum in turn. The rumen will digest the cellulose in food, make the food flow back into the mouth, and make the cattle chew fully. The bicuspid stomach will absorb the water in the food, which will reduce the concentration of gastric acid, while the abomasum will digest and absorb protein and fat in the food.

Cattle are mammals of the family Bovidae. It has a strong physique, long and powerful limbs and four toes on its feet, which is convenient for cattle to run. Moreover, the lower canine teeth of cattle are undercut, mainly feeding on fruits, young leaves and roots of plants. When raising cattle, you can provide them with food such as bean cake, alfalfa and ryegrass.

Cattle industry:

Yuan Zhen, a poet in the Tang Dynasty, wrote a poem "Spring Life": whipping cattle outside the county gate, fighting for soil to cover spring silkworms, whipping first and then fighting, is an integral part of the ancient custom of sending winter cold to welcome the new year. Whip spring cattle, also known as whip local cattle, originated earlier. "Zhou Liyue Mausoleum" records that cattle were unearthed to send cold, which has been preserved to this day.

But in spring, the Tang and Song Dynasties were the most prosperous. Especially after Song Renzong promulgated the Cattle Slaughtering Classic, the custom of whipping and slaughtering cattle spread more widely and even became an important part of folk culture. Kangxi's "Ji Fu Nan Zhi Sui Shi" records that the day before beginning of spring, the court led the people, with spring cows and gods, to welcome the Spring Festival in the eastern suburbs.

Make a five-coriander, commonly known as spring vegetables, drink spring wine and hairpin spring flowers. People in the village and the street dress up as fishing firewood and use knots as spring buildings. Children in the city walk around, wearing colorful clothes and ghost faces, dancing, and the legacy of Nuo in the hometown of the ancients. At the beginning of spring, officials have their own colorful battles, and there are three people who beat local cattle. This is called whipping spring.