1, look at the whole frame cow. Healthy cows hold their heads high, lively and active, their eyes look around, their ears keep swinging, and they are sensitive to the surrounding environment; The coat is neat, smooth, shiny and elastic; The nasal endoscope is moist, and the nasal water is evenly distributed into beads; The gait is stable, the limbs are upright and flexible; The back and waist are flat and wide, and the ratio of body length to body width is appropriate; The tail often swings. Rectangular shape is preferred, and jujube pit cattle with big tips in the middle, short and thick cattle and "small and old cattle" (older and lighter) are not selected.

2. Look at the variety of cattle. Meet the requirements of fattening cattle breeds, see question 20 of this book. Don't buy frame cattle that don't meet the needs of fattening market.

3. Look at the age of the cow. Meet the age requirements of fattening cattle, see book number 16. Do not buy frame cattle that do not meet the needs of fattening market.

4. Look at the gender of the cow. Bull, cow, castrated bull, check whether castration is completed (touch identification).

5. Look at the physique of the cattle. Walk Petunia a few times and check whether there is anything wrong with the limbs; Check the surface epidermis for scratches, scars and lumps. Don't buy cattle with physical defects.

6. Check whether the frame cow is watered. First look at the abdomen circumference of the cow, and the abdomen circumference of the irrigated cow is large; Dairy cows in irrigated land urinate frequently and have more urine; The ears of irrigated cows are cold; Irrigated cows often hit their bellies with their tails; The mental state of dairy cows irrigated with water is poor; Tap your ankle and you can hear the sound of water. Don't buy irrigated cattle.

7. Check the fat of cattle. The fat of frame cattle is greatly affected by the season, so generally you can't choose fat cattle. Senior cattle breeder left us a very valuable saying "buy bones in spring and fat in autumn". After winter, the frame cattle are thin but lively, so you can buy this type of cattle; In autumn, healthy cows should be fat and strong, so you should buy fat cows in autumn. Cattle without fat may be unhealthy or sick.