Key technologies to improve the survival rate of lambs
March 26 16:41:54, 2019
Editor's note: On August 25th, Zhao Jiasheng, a reader at Santangba Village, Guoluping Township, Yiyang City, told the editorial board of the newspaper that he had only 100 or so sheep, but for unknown reasons, the survival rate of the lamb was very low. There were more than 30 lambs in the communist sheep, but only 18 survived. At the request of Zhao Jiasheng's readers, the editors requested Shi Yuanlong, senior veterinarian at the Xiangzhou State Epidemic Prevention and Inspection Station, to join in this move. The survival rate of lambs is affected by many factors. In order to improve the survival rate of lambs, it is the key to do a good job of feeding and managing lambs in addition to the feeding and management of pregnant ewes so that they can produce a robust lamb. When the maternity ewes of the newborn lamb are approaching the expected date of pregnancy, the maternity ward and bedding shall be prepared in advance and sprayed with 0.1% 100% poison or 0.2% peracetic acid spray. When the ewes have symptoms of labor, immediately use complexed iodine to disinfect the ewe's udder and vulva and put the ewes in the delivery room. Observe the watch on duty. The ewes produce more lambs from 10 p.m. to 3 p.m. When the lamb was born, immediately disinfect the umbilical cord with complex iodine, sterilize it with a sterile line of 2 cm from the navel, cut the umbilical cord with sterile scissors, and dry the lamb's amniotic fluid with sterile gauze. When the weather is cold, the lambs that are delivered should be put into warm boxes or fire pots immediately. If the Lamb has a heartbeat and does not breathe, it is mostly because of the amniotic fluid in its mouth or trachea. At this time, the lamb's hind limb can be lifted, with its head facing downwards, gently tapping the neck and chest to make the amniotic fluid flow out, rubbed with gauze. The mouth of the dry lamb is amniotic fluid. Breathing the chest of the lamb is performed with hands and hands until the lamb's breathing is normal. If the ewes are difficult to produce, the surgeon should sterilize the hands with complexing iodine, and then extend into the birth canal to assist delivery, or correct the position of the fetus and gently pull it out. If the fetus is too large, an expert must be asked to do a caesarean section. Shortly after the ewes have been littering, the sow clothes will produce output. Pay attention to clean the sheds and replace them with clean and sterilized mats. The organs of the newborn lambs of the newborn lambs have not yet matured, and their disease resistance is poor, they are afraid of heat, they are cold, and they cannot survive independently. Therefore, special attention must be paid to good feeding and management. The milk secreted by the colostrum ewes within 5 days postpartum is sheep colostrum. Colostrum is rich in nutrients and full of immune globulin. After the lamb eats, it can gain disease resistance and promote meconium excretion. This is very important for the early health and rapid growth of the lamb. Six hours after the lamb is laid, it is necessary to help him to suck breast milk and train the lamb to learn to eat automatically. Some ewes due to genetic or disease reasons postpartum lactation less or no milk, this time it is necessary to artificially supplement the fresh milk or milk powder diluted with water, rice paste, soy milk, pay attention to timing, quantitative, ordering meals; second is to find The nanny sheep is nursing. The method is to apply the nanny sheep's milk or urine to the lamb body, artificially help the lamb to eat milk first, and then put the lamb into the ewe's pen to let it be suckled. If the nanny sheep is temporarily unwilling to breastfeed on behalf of the nanny, it is necessary to artificially adjust many times until the nanny sheep is willing to replace the breastfeeding. The natural weaning time of the early weaning lambs is generally around 3 months old. If the lambs are trained and fed in advance, they can be weaned at the age of one and a half months. The first weaning is to advance the breeding cycle of the ewe and improve the ewe's fecundity; the second is to exercise the lamb's digestive function as soon as possible to promote growth and development. When the lamb is 15 days old, it begins to feed the lamb with young grass or leaves, stimulates its appetite, increases salivation, and improves gastrointestinal function. At the age of 20 days, supplement soybean milk powder, corn flour, and a small amount of wheat bran, or supplement the lambs with fine material powder and chopped grass. When lambs were able to feed freely and had normal rumination, they were weaned around the age of 45 days. The winter feeding tube is cold in winter, and it is a subtilis season. The ewes are undernourished and their lactation is severely reduced. Lambs lack nutrients and are susceptible to death. Therefore, in the winter season, the ewes must be fed with fried soybean powder, corn flour, and wheat bran to ensure the ewes' milk yield. The second is to train the lamb to eat milk powder, fried soybean powder, corn flour, wheat bran, etc. Concentrated materials, nutritional supplements; Third, do not let the lamb chill when the rain grazing; Fourth, pay attention to the bar insulation; Fifth, lay a good epidemic prevention needles, increase the disease resistance of the lamb; Sixth, do a good job bar sanitation work. However, it is best to regulate the breeding season of the ewes so as not to let the ewes breed lambs in winter. The control of lambs by lambs can cause a large number of deaths in newborn lambs, and the lambs are characterized by severe diarrhea at the onset of the disease. Etiology: This disease is often caused by E. coli, Salmonella, Clostridium perfringens, coccidia invade the digestive tract of the lamb, resulting in toxic and harmful substances caused by the disease. The disease mainly affects 7-day-old lambs. Mostly, the lamb eats contaminated grass or drinking water. Symptoms: Lamb disease at the beginning of the disease is poor, not feeding milk, diarrhea, and some of the feces are gray, some yellowish-white, some yellow-green, and distributed foul odor. Severe lambs with diarrhea, lying in the ground, diarrhea with blood or mucus, anal incontinence, if not treated, often within 1 to 3 days of death. If the disease is not treated in time after the onset of the disease, only a small number of people with mild disease can recover on their own. Treatment: 10.1% potassium permanganate water 20 ml, 1 day irrigation. 2 0.25 grams of oxytetracycline tablets, once fed, 2 times a day. 3 0.25 grams of berberine tablets, once administered, 3 times a day. 4 enrofloxacin injection, 1 ~ 2 ml intramuscular injection, 2 times a day. 5 Amphetamine tablets, with 20 ml per kilogram of body weight, once fed, once a day. 6 each of 15 grams of Pteris viridis, Eclipta prostrata, and Begonia sinensis with fresh beads of grass, once irrigated with water, once a day for 2 times. The above prescription can be any one, and if the effect is not obvious, then the party can be changed. Epidemic prevention: Injection of triple triple anti-seedlings to prevent the occurrence of sheep epidemic, sheep anthrax, sheep enterotoxemia, and lamb lice.
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