In the winter, the cold wind is raging, the climate is bad, and the green feed is lacking. At this time, the epidemic is easy to spread. Most ewes happen to coincide with gestation, and the nutrient needs are very large. The bred sheep also enters the first wintering period and faces a severe test. It is very important for the sheep to carefully raise and manage the sheep in winter. If there is slight negligence, it may lead to loss of aphid, miscarriage, and even death. Therefore, the five key management measures (warmth, security, security, miscarriage, and health care) will be the key tasks for the management of herds in winter.
1. Keep warm. Sheep's cold tolerance is relatively strong, but winter sheep can not be less than 0 °C, lambs can not be less than 8 °C, the delivery room is maintained at 10 ~ 18 °C appropriate. Before winter, repair the sheep house as soon as possible and make necessary repairs to the roof and walls to prevent leakage of snow. The sheep pens located in the wild should be covered with corn husks outside the north wall; closed sheep pens should be provided with wind screens at the door and windows; simple sheep sheds can be extended forward and erected. Plastic greenhouse, top covered with straw curtains. In a cold season, heat should be given to the stove in the enclosure.
2. Warranty. The winter grazing allows the flock to eat suitable pasture, but also breathe fresh air, is conducive to enhance physical fitness, is conducive to exercise cold resistance, disease resistance, is the main measures to protect the group. For grazing, we must choose a sunny slope with sunny sun and good water source. In early winter, some pastures and wild herbs have not died. At this time, we must seize the time and grazing, and take advantage of the favorable time of sunny days at noon to allow the sheep to eat as much grass and wild herbs as possible. In the winter season, the flock is converted to feed. For frail sheep, special management measures should be implemented, such as feeding a juicy feed, increasing the amount of concentrate feeding, and strengthening physical training.
3. Security. Supply high-quality green hay and crop stalks from sheep, supplement soybean, corn, melon, and wheat bran in a timely manner to ensure that every sheep can eat 200 to 250 grams of fine material per day, and leave them as small rams and small animals for planting. In ewes, each sheep should be fed 500 to 600 grams of concentrate per day. Daily supply of 2 to 3 times a day drinking water, it is best to drink salty water, the water temperature reached about 18 °C. In the deep winter season, even if the weather is cold, it is best to let the sheep go out for exercise at noon on sunny days in order to enhance physical fitness and improve cold resistance. The escort is very important. In the pre-pregnancy period, the diet can consist of 50% wolfberry, 30% hay, 15% corn silage, and 5% concentrate. In the late gestation, the diet consists of 1 to 1.5 kg of blue. Hay, 1.5 kg silage, 0.45 kg concentrate.
4. Baotai. Male and female ewes should be kept separately to prevent rams from chasing and squeezing across pregnant ewes; pregnant ewes must have separate sheds, and the sheds should be as wide as possible. The number of sheds should be kept appropriate to ensure the area of ​​each pregnant sheep. Area of ​​2 to 2.5 square meters, to prevent accidental squeezing of pregnant sheep; to give pregnant sheep to supply fine material and light salt water, must use warm water, avoid drinking ice water, eat frost grass, to ensure reasonable feeding; to strengthen daily Management, to prevent the fighting within the flock, fights, collisions and other acts; grazing roads not too far, do not take the steep slopes and dangerous roads, avoid man-made pursuits, to prevent pregnant sheep scare, jerk, slippery.
5. Health care. In winter, sheep are susceptible to diseases such as foot-and-mouth disease, streptococcal disease, pox disease, dysentery, cold, and E. coli disease. In the late autumn and early winter, the sheep should be immunized in time. After an autumn grazing, the sheep may be infected with parasites such as aphids and liver fluke, and show obvious symptoms in winter. Therefore, the flock must be promptly prevented from deworming before winter. The commonly used drugs are mainly enemies. Hundred insects, ivermectin, thiodichlorophenol, praziquantel, chlorfenadone, etc. Usually, you should clean the house regularly to keep the house clean and dry, remove the manure in time, carry out harmless treatment through accumulation and fermentation, and the residue should be screened and treated so that it cannot be used again. Pay attention to brush the sheep's group table and coat frequently to promote blood circulation and improve body health.
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