The autumn season is the peak season for estrus breeding of lactating cows, and the cold and long winter is the critical period for most cows to become pregnant. It is necessary to ensure that the cows maintain their own nutrition, but also to provide the nutrition needed for the growth and development of the fetus. If not meet the nutritional needs of cattle, management can not go up, cattle's resistance and milk production should be rapidly reduced, it is difficult to protect the safety of the mother and child through the winter. Therefore, grasping the fetus of pregnant cows is an important part of improving the efficient production of dairy cows and cannot be ignored.
Hibernating the grass and feeding cows
In winter, there are few green fodder, many dairy cows do not have green hay, and only rely on crop straw roughage to feed dairy cows, which has poor quality and low nutrition. Not only can not meet the nutritional needs of milk production, but also hindered the development of the fetus, is an important reason for milk production in lactating cattle can not go. Therefore, it should be good to accumulate a lot of grass and grass when it is time to play more storage grass more than a few grasshoppers, and stay in stock to feed cattle in the winter, so that a continuous winter, is the best but brilliant. Hay is an indispensable feed for dairy cows for winter, because the purpose of storing hay is to preserve the nutrition of forage grass. Hay is rich in carbohydrates, protein, carotene, calcium and organic acids. Any kind of roughage can not keep up with good quality hay, which is 3 times to 6 times higher than that of subtilisin. Among them, carotene is 15 times to 200 times higher, and the biological value of protein can reach 70% to 80%. However, it is best to cut the sun in time, its nutritional value can be compared with wheat, especially in the heading and flowering period. If the reserve is too late, nutrition will be low, and it will be better than good quality straw. As the saying goes, it is reasonable to say that the "grass of the heavens, the treasure of the livestock winter" is justified. In the winter, the combination of hay and straw roughage, nutrition, high value, and good milking effect.
Catching the best cows in the autumn
After the autumn, the weather was mild, neither hot nor cold. The mosquitoes and flies had fewer calves, and the autumn grass was lush. Most of them had already grown into plucks. The cows loved eating well, and they ate the anti-hungry coat quickly. It was the golden season when the cows caught the autumn crickets. Grasping cows in autumn is a good way to get a good end for the cows. Especially in the seasons where there are many forages and nutritious foods, they can fully feed on the grass so that the cattle can eat more grass and better use the grass and grass so that the amount of forage grass eaten by the cattle can be higher than that of the cattle when they maintain their own consumption of nutrients. Can not use the excess nutrients into fat and stored in the body of cattle, which is equivalent to a lot of food in the cattle's body memory, natural winter will have the cost. In the cold winter, when the forage grass is dry and the nutrients fed to the cows are not enough, the cattle can use the stored fat oxidation to provide the nutritional needs of the cattle body. Not only does fat provide energy to cattle, it is also a bad heat conductor for cattle, which can greatly reduce the loss of body temperature. This is the reason why a good cow is better than a lean cow. It is not difficult to see that this is the true meaning of doing a good job of fighting against the disaster and protecting livestock.
Repair shed laps insulation cold
Before winter, the most effective way to reduce the calorie consumption of cattle is to build shelters and stop the chilling and snowstorms. In order to ensure the normal milk production of cows and the safety of pregnant cows during the winter, so that cattle live in the most suitable warming circle of 8 °C ~ 16 °C, we must repair the warm circle, point thicker ceilings and walls to prevent freezing. Because 60% of the temperature inside the house is run away from the ceiling and the wall. The south window should be larger to absorb the heat of the sun and increase the temperature. In order to prevent the cold, plastic doors and windows can be used to seal the doors and windows, block the north windows, and hang the grass curtains at night to enhance the heat insulation, prevent the thieves from invading the wind, reduce the area occupied by each cow, and increase the stocking density. Because the shed is less insulated, if the shed is too big, it can't be used to separate the extra space so that it can be kept warm. The barn should be hygienic, warm, dry, not humid, and not frozen. The cattle bedding cushions are heavily guarded against cow body contamination. Because the urine contaminates the bovine body, it can absorb a large amount of calories from the bovine body, making the cow cold and unfavorable to cattle. Therefore, it is necessary to strengthen management, remove fecal urine regularly, and prevent the cow body from being contaminated so as to prevent the calf from losing more calories.
Carefully feeding your body
After lactating cows are pregnant, they can't feed them with low-level feeds. For example, if cows are thin, and their maladies are not good enough, they can't meet the nutritional needs of cows and fetuses. The development of the fetus needs to be stagnated, the bovine body loses weight, and the critical temperature rises. It is not cold-tolerant, not frost-resistant, and its resistance is declining. It is detrimental to pregnant cows and it is a backward management method. Therefore, pregnant cows entering the winter must be fed with a high level of feed, and accordingly increased by 10% to 20% or more, so that they can maintain a good sensation. The lower critical temperature limit can be lowered, and the cow is healthy and resistant to freezing.
Prevent abortion to ensure safety
In the cold winter days, the grass is dry, the green feed is small, and the nutrition is lacking. If the feeding is not good, the management cannot keep up and the miscarriage is easy to occur. Therefore, pregnant lactating cows should be well managed in a single circle to avoid crowding, kicking and falling, causing miscarriage. Therefore, we must strengthen management and ensure safety. Pregnancy of pregnant cows, such as the discovery of vaginal discharge of mucus, from time to time to review the abdomen, restlessness, is the obvious manifestations of abdominal pain, should take preventive measures to prevent miscarriage, can not be negligent. In the late stages of pregnancy, if the cow is found to have swollen breasts, it cannot be regarded as a pure milk phenomenon. In the event of bending over and arching back, it is necessary to constantly perform urinary excretion and posture, and often stops the fetal movement. It is also a symptom of abortion. Take fetal measures, the treatment can be used progesterone 0.5 grams to 1.0 grams intramuscularly, once a day, once a week, as long as the medication in time, can receive a good fetal protection effect.
Adhere to exercise to prevent dystocia
In order to prevent fat deposition in pregnant cattle and make cows robust and normal, it is necessary to make pregnant cows adhere to proper exercise during pregnancy to increase sunshine, promote appetite and blood circulation, and increase feed intake, regardless of whether pregnant cows and fetuses are used. All are great benefits. General pregnant cows should adhere to exercise every day for 2 hours to 3 hours, but should pay attention to nursing, in the drive of pregnant cows, is strictly prohibited from pumping cold whip, do not drive over too fast, turn sharp bends, over the big ditch, especially winter road slippery, Prevent slipping and sweating so as not to cause miscarriage. The best combination of grazing, both to increase nutrition, more sun, but also enhance physical fitness and prevent dystocia. Cows are thin and weak. They can use 10 mg to 20 mg of diluted female powder or 100 units of posterior pituitary, which has a good oxytocin effect.
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