First, clinical symptoms This disease occurs only in 1 to 2 months after the new production of laying ducks, or during the peak period. There is no way to stand, and the eggs cannot be produced but stuck in the cloaca. Manual delivery of midwifery is needed to produce the disease. After midnight or early morning, duck mortality rate was 0.3% to 0.5%. The main symptoms are weak legs, mental fatigue, loss of appetite, often in a lateral position, legs or single leg extension, and sick ducks pulling yellowish-white or yellow-green paste-like dung. The ducks were moved outdoors or kept in isolation. After a period of time, some of the ducks were cured. In severe cases, they were generally unable to stand and died. Second, the cause analysis 1. The newly hatched ducks have not yet fully matured their bodies. The increase in nutrient consumption caused by egg production results in the lack of various nutrients in the duck's body and is likely to cause paralysis. 2. Long time of light, so that ducks are easy to precocious, endocrine and metabolic disorders, resulting in the initial production of ducks can not maintain normal egg production, can cause paralysis. 3. Enteritis occurs in ducks and indiscriminate use of antibiotics and disinfectants can also affect the absorption of nutrients. 4. Some newly-produced ducks are still fed with young ducks' feed, or the proportions of protein, calcium, and phosphorus in the self-made feeds are not suitable, resulting in the deficiency of calcium and vitamin D, which can cause the disease. Third, the treatment The disease is often a sporadic disease in the middle and long-term population, if the cost of the entire group is too high, and soon after relapse, it will recur. The reason for this is that the cloacal part is stimulated by feces, urine, and eggs, and mucosal inflammation is difficult to recover. Therefore, it is difficult to completely cure with antibacterial and anti-inflammatory measures, and comprehensive treatment measures should be adopted. 1. Antibacterial and anti-inflammatory. In the later stage of the disease, fluconazole and intestine crackers were used for drinking. The drug dosage was slightly higher than the therapeutic amount for the first 4 days, ensuring that the drug had cloacae with antibacterial and anti-inflammatory effects. 2. Shibuya diarrhea. Drinking water with 1% whitewater solution not only has astringent effect on the site of intestinal inflammation, but also has an inhibitory effect on pathogenic E. coli. 3. In the feed to add vitamin B, can achieve a certain effect. Fourth, preventive measures Dust Mask,Civil Using Face Mask,Protective Mask,Mouth Protection Mask Ningbo Carest Medical Instrument Co.,ltd , https://www.carestmed.com