The winter weather is cold, especially in northern China, where the temperature difference between day and night is relatively large, the heat loss of the sheep body is more, and the grass is withered this season, and the nutritional value of forage grass is relatively low. At this time, the value of most of the ewes is pregnant. Then enter the first wintering period, the sheep's demand for nutrients is more, once the improper management of feeding, the sheep are prone to loss of weight loss phenomenon. In order to ensure safe wintering of the sheep, the following measures should be taken in production:
(1) Before a reasonable group enters into the winter, the sheep should be reasonably adjusted according to the age, sex, physique, etc. of the herd, and a group of sheep of similar physique should be grouped together. The weak flock should grazing nearby, and the strong flock should go far. Grazing in order to take care of weak flock.
(b) pay attention to warm winter temperatures, sheep energy consumption of more calories, to do warm work. After winter, it is necessary to thoroughly inspect the sheep pen, and to repair sheep in the shabby, leaky and ventilated sheep shelters in time, enter the cold winter, and also hang grass curtains or cotton curtains at the sheephouse exits and vents to prevent “thievesâ€. Intrusion.
(3) Moderate grazing In winter, besides the blizzard, weather should be grazing every day. Especially in the early winter, the dry leaves are still abundant, and the hardy plants are also growing. At this time, grazing should be stepped up, and most of the ewes are pregnant and have moderate grazing. In addition to saving forage, you can also exercise properly. The winter grazing should be early to return to the early morning, to the top wind to grazing, downwind to animal husbandry, so that the sheep gradually adapt to the cold, more severe snowfall in winter, when the temperature is low, should be as little as possible grazing, to achieve the right amount of exercise, but for the old and weak The lamb is not to be grazing.
(4) It is difficult to meet the nutritional needs of pastoral herds simply by replenishing the areas with inadequate pasture or poor pasture. Generally, the lack of access to the sheep occurs gradually in late November of each year, and shedding of hernia begins in December. Therefore, timely supplementary feeding at this time must not be delayed too late. If it is found that some sheep can no longer make up with the sheep when they are grazing, they often do not provide supplementary feeding. Supplementary feeding methods can be used for half-day grazing and half-day supplementary feeding. This can not only save the sheep from physical exertion, but also achieve the purpose of sheep protection.
(5) To ensure that drinking water is dried in winter, sufficient drinking water must be ensured. Generally, it can be served at 2 o'clock in the afternoon every day, and then once in the evening to return to herdsmen. The water temperature should be around 25°C. Do not drink cold water or ice water.
(6) Doing a good job of health and epidemic prevention In winter, sheep houses should be inspected regularly to keep the sheep house, litter, drinking water, and fodder clean and hygienic. The sheep house should be thoroughly disinfected once a week. The sheep are weak in winter. The disease resistance is reduced. In case of infection, it can easily cause a large number of deaths. Therefore, in the late fall and winter, it is necessary to vaccinate regularly, and at the same time, in order to prevent the occurrence of parasitic diseases, it is necessary to carry out deworming in the late autumn and early winter. Trichlorphon and sulfur dichlorodichlorophenol can be used to repel insects. Parasitic diseases have a good effect.
(7) Pay attention to the protection of fetuses into the winter. Most ewes are already pregnant. Attention should be paid to the work of protecting fetuses. In the winter, the roads are cold, and when grazing, care should be taken to prevent them from slipping and sliding. They must walk slowly, do not climb steep slopes, do not walk icicles, and do not frighten their flock; they must control their flock to avoid catching up with hurry. Ensure the safety and smooth delivery of pregnant sheep.
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