Steps to Improve Lamb Survival (1) Positive Laying and Bleaching: As the ewes approach delivery, the breasts swell and there is a small amount of yellow colostrum when squeezing by hand. It is more obvious in 2 to 3 days before delivery, and the vulva is swollen and flushed. Thick mucus. Swelling of the buttocks, especially 2 to 3 hours before labor, is even more pronounced. Difficulties in action, increased frequency of urination, docile temperament, restlessness, lack of energy, and occasional reviews of the abdomen, often revealing corners and limbs. When grazing, often left behind by the team. Sometimes square planing. Uneasy performance, loss of appetite, or even stop cud, from time to time tweet. At this time, the midwifery personnel should observe the ewes at any time. If you see the above situation, especially when the Ministry of the Ministry of the Ministry of Sagging, blame and the amniotic membrane to expose the vulva, should immediately send the ewes to the delivery room or a quiet place to prepare for production. Normally delivered ewes 10 to 30 minutes after the rupture of the amniotic membrane, the lambs have already been produced. When the normal fetal position of the lambs is born, the two limbs and the head are usually taken out. At this time, it is best to immediately give birth by hand to prevent fetal asphyxia. death. The number of ewes produced by small-tail Han sheep is usually 2 to 3 lambs per womb. The interval between lambs is about 5 to 30 minutes, or 60 minutes or more. Individuals also have up to 10 hours or more, when the ewes are born first. After the lamb, it is necessary to check whether there are still unproductive lambs. If you see the performance is still not peaceful, you can't afford to stand or stand up and then lie down again. You can use the palm to push forward in the front of the ewes' abdomen. If there is a lamb in the belly, it can touch a hard, smooth lamb. Special attention should be paid to the ewes who produce a lot of lambs. When the second or third is produced, the ewes are already tired and weak, and the fetus position of the lambs is often incorrect, so more midwives are needed. After the lamb is produced, the mucus in the lamb's mouth, nose, and ears should be quickly removed to avoid breathing difficulties and suffocate, or to inhale organ-borne foreign pneumonia. The mucus on the lamb's body must allow the ewes to be clean. If the ewes are weak, the fetus's mucus can be applied to the ewe's mouth to induce food. If the weather is cold, wipe the lamb body dry with a clean cloth or hay to avoid surprise. Occasionally, after the birth of the lamb, there is a phenomenon of suspended animation. The lamb can be immersed in warm water at about 40°C, and artificial respiration can be performed at the same time. The sides of the chest can be photographed or blown to the nostrils to resuscitate them. If the fetal tongue is obviously cold, there is little hope of recovery. The umbilical cord was naturally ruptured after birth, and umbilical cord was sterilized with 5% iodine. If the umbilical cord is not broken, place it about 10 cm away from the base of the umbilical cord. Use your hand to point to both sides of the umbilical cord to remove blood and twist it, or cut the umbilical cord with scissors and disinfect it with 5% iodine. Ligation of the umbilical cord will affect the discharge of exudate and cause umbilical cord inflammation. After completion of childbirth, if hair around the breast and inside the strand is not cut, it should be cut off in time. Afterwards, the breasts are washed with warm disinfectant water, wiped dry, and the first few drops of colostrum are squeezed out to assist the lambs in feeding and then weigh the lambs. After delivery, lambs and ewes are moved into the mother's lap and kept separately from other sheep. Tyre wear is discharged 40 minutes after production and should be collected in time to provide raw materials for the medical industry. (2) dystocia and midwifery: treatment of general dystocia. Ewes are difficult to produce, and ewes produce pelvic stenosis and often produce dystocia. Others such as vaginal stenosis, cervical narrow contractions and urgency, fetal membranes did not come out, immediate midwifery. Midwifery is mainly forced to pull out the fetus. As the ewes blame themselves, they slowly pull back and forth, but they can't use too much force. Can also be used two fingers into the anus of the ewes, across the rectum wall to withstand the fetal head, and pulled out with the uterine contraction, as long as it does not hurt the birth canal, can achieve the purpose of midwifery. Eat as early as possible to eat the colostrum Lamb After the lamb is born, the ewes suck dry mucilage. When the lamb can stand on its own, it should be assisted to eat colostrum. It is extremely important to strengthen the supplementation of the lack of milk for this multiple-tailed Tail Han sheep. For single lambs, there is no need for supplementation in the early period. For 2 to 3 lambs or 4 lambs or more, it is necessary to pay attention to strengthening supplementary feeding for lambs lacking milk. When artificial feeding of milk or other goat milk is performed, the temperature, feeding amount, time, and hygienic conditions must be strictly controlled. It should be noted that newborn lambs cannot feed corn paste or millet porridge. In addition, we must do a good job in sheds and sanitation, and we must constantly disinfect the surrounding environment and utensils.
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