The starting method is to measure and select cows to be careful Dairy cows in the market include adult cattle, pregnant cows, aged cows, and weaned cows aged 5 to 6 months. If the funds of the breeding households are not rich, the cost of the weaned cows aged 5 to 6 months can be reduced, but due to this The milk production of cattle is uncertain, so when selecting, pay attention to the archives and select according to the basics of dairy cows' purchase; if the funds are plentiful, it is more economical to purchase two-year-old pregnant cows, but it is necessary to pay attention to see if they are really pregnant, whether they have The characteristics of healthy high-yielding dairy cows should be protected during transportation to reduce the stress response; under the premise of capital security, and want to shorten the recovery period of funds and realize the largest annual profit, dairy cows that are producing milk can be purchased. However, it is necessary to guard against the purchase of cattle that are over-aged, milking laborious, infirm, ferocious, and reproductively difficult. We must do a good job of management in transportation and reduce stress responses. The scale of breeding should be moderate, and the construction site must be carefully selected Although the benefits of raising dairy cows are considerable, they are relatively high in cost and investment, and the milk market is the most important factor determining the scale of dairy cow production. Therefore, we must not be eager to seek success and rashly go ahead. It is necessary to carefully inspect the market, rationalize sales channels, and determine the scale of feeding according to their respective economic conditions and equipment conditions. The optimum temperature for the growth of dairy cows is 10°C to 25°C. Therefore, care must be taken to choose a place where there is sufficient water, convenient lighting and drainage, and a well-ventilated place, and to ensure that there is no noise, water quality and air pollution around. The structure of the cattle farm should be reasonable and the supporting equipment must be satisfactory The necessary buildings in dairy farms are more than other livestock and poultry farms. Therefore, planning should be based on the principles of local conditions and scientific feeding management to rationally allocate limited funds, improve land utilization, facilitate production, and facilitate disease prevention and control. To play the best effect. The general cowshed should be built in the center of the venue. The cowshed building should include a milk treatment room, a tool room, a duty room, and a feed preparation room. The feed preparation room is located in the middle of the cowshed and is close to each cowhouse to facilitate the transportation of feedstuffs. The haystack is 50 meters away from the cowshed and should be in the downwind position; the storage and fecal site is built in the low-lying area under the cowhouse; The barn should be built 200 meters away from the cowshed to avoid the spread of disease. Milking machines and milk cooling equipment should be supported as much as possible. We must select milking machines with good quality and excellent performance to ensure that the milked milk has good hygienic quality and long use time, which is beneficial to the health of dairy cows. There are usually 200 to 400 cows in the field, and a 500 to 600 cows are the best choice for the hall milking machine. Prepare sufficient quality forage and prepare fine material carefully Dairy cows are herbivores, and not only do they need to eat a lot of hay and green feed every day, they also need to use concentrate to supplement the missing nutrients. So one must prepare for grass. Grass raising cows is an effective way to reduce the cost of raising and increase the milk production of dairy cows. It is necessary to determine the area of ​​grass according to the scale of rearing, so as to balance grass and livestock. It is best to sow the pasture for more than two months before the cows are introduced. After the cows are on the farm, they can just feed them. Silage is also an essential feed for dairy farms. Therefore, silages need to be built on dairy farms. The volume of the silo is determined according to the amount of feeding, so as to satisfy the supply of dairy cattle's perennial green feed without wastage. In general, 500 kg of silage account for 1 cubic meter of volume. The second is to prepare fine materials. Dairy cow diets should be dominated by high-quality roughage such as succulent feed and hay, but a certain amount of concentrate should also be added to supplement insufficient energy and nutrients and increase milk production. With the concentrated feed produced by large-scale feed manufacturers, the same amount of dry corn flour can be added, or a small feed processing room can be built at the same time when the feed bank is built, and the full-price compound feed can be processed by itself after purchasing the premix of the large plant. The records should be detailed and the husbandry and management must be dedicated Doing all the necessary records, such as production records and breeding records, is very important for the long-term development of the dairy farm. Therefore, the dairy farm must establish various record books to clearly record the source of the cows, including blood, age, parity, etc. During lactation months, milk production, estrus, and mating, pregnancy, expected date of birth, and feed consumption are now available. Individual milk production statistics for dairy cows can be recorded in one month at intervals of no more than 33 days multiplied by 30 or actual days in each month. At the end of the year or at the end of a lactation period for each cow, statistics are taken to calculate a lactation for each cow. The actual amount of milk produced during the period will be known to every dairy cow, identify problems in a timely manner, improve management, ensure timely breeding, retain high-yield cattle, eliminate low-yield cattle, reduce unnecessary investment, and obtain maximum economic benefits. 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