Picking Cows: Genealogy, Features Needed to Be Mastered

Dairy cow breeding has become an effective way for farmers to increase their income to get rid of poverty. However, due to the lack of experience of some farmers in selecting good dairy cows, dairy cows have been purchased at a high price, resulting in poor yield and poor results. In response to the requirements of the majority of dairy farmers, let's talk about high-yielding cows' attention to selection and several ideal features for your reference. Firstly, it is better to understand the genealogy of dairy cows, that is, to grasp the source and production performance of parental, ancestral, and even ancestral ancestral belts of dairy cows. The more they come from the preferred accessory varieties, the better the production performance is, and the milk yield of commodity dairy cows is better. The higher. The second is that the following characteristics are available for reference without knowing the genealogy. High-yielding dairy cows should have strong physique and obvious milk characteristics: 1. Sharp edges and corners. Viewed from the left, right, and front sides, it is triangular or wedge-shaped. 2. Thin skin, hairy hair, short hair, individual tall and strong, well-proportioned, high hind legs. 3. Six-side white: white star, four-hoof white, tail tip. 4. Body: Length, width, depth, wide spacing of ribs, open ribs, flat back, large abdomen without sagging. 5. The lactation system: The breasts are symmetrical and symmetrical. The calf's nipple is flat but not round, and the skin is thin. The cow's breasts stretched forward and backward, with good attachment. The front breasts stretched to the front of the abdomen. The rear breasts extended upwards and upwards from the front to the back of the stocks. The back side came out with some good touch. The bottom of the breasts was slightly higher than the hocks, and the mammary glands were soft and elastic. The breast mirror is wide; the four breast regions are evenly symmetrical; the front is larger; the nipple is of a moderate size; the milk veins are curved, thick and obvious, and the milk well is large; the nipples are not cylindrical in one month before delivery; the volume changes before and after breast milking are obvious. 6. Hoof: The forelimb is strong, the figure is positive, the hoof is round, the hind limb is firm, the figure is positive, the limbs are wide, and the hoof is round. (Source: Chinese Livestock Journal Liu Jun)

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