Want to buy a satisfied cow, pay attention to the six look at the purchase: A look at the breast milk should be large, good texture, good shape, good adhesion, that is, large breast volume, breast development, soft and flexible, four milk The area is well-balanced, with no prolonged extension and no prolonged sag. The nipples need to be distributed evenly and the distance is moderate. It is best not to have a nipple. The length of the nipple is 5 to 10 cm. It is not easy to milk too long or too short. The purpose of looking at the mouth is to determine the health status of the dairy cows purchased and to determine their age. First, the dairy cows were tested on grass and samples to observe the feed intake of the cows. During the illness, cows have no appetite or appetite, and healthy cows have a strong appetite. Second, we must roughly determine the age of the cow by looking at the teeth. Three look at the eyes of the cow's eyes First, to see through the eyes of their mental state. Dairy cows have large, bright eyes and are flexible and expressive, indicating that they are healthy and docile. Cows with "winking eyes" can usually be slowly pointed at the bull's eye with their fingers, and they can be checked by observing their reactions. The four-legged dairy cows must be well-preserved, have no bad posture, have a round and square shell, clean the forks, and have close symmetry between the inner and outer hoofs. The texture is firm, non-malformable hoofs, and no hocks. The cows in the usual condition of the five furs are: black and white flowers, clear flowers, short and dense hair, natural luster, soft skin, and elasticity. "Plucking and seeing roots" can be used as an auxiliary method to distinguish "?h oil cows". It is also possible to rub the skin of cows with hands, and judge by observing the difference in greasy colors on hands. Six-cornered cows produce a single round of calf every time it is produced. Therefore, the number and the age of the cows can be judged by observing the number of angle wheels. Generally cows produce calves around the age of 2.5, one-child-year-old, so when the age of the cow is extrapolated, the number of rounds plus 2.5 will give the approximate age of the cow. China Agricultural Network Editor
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