Precautions for common diseases in winter pigs
In the winter when the temperature is low, many pig farmers will worry that their pigs are sick. At this stage, as long as the management is not in place, it will lead to various diseases of pigs. The following experts have compiled a set of common pig disease prevention methods in winter based on years of practical experience. First, piglets white, jaundice The pathogen of this disease is Escherichia coli, which mainly harms newborn piglets, followed by unweaned piglets. It can occur all year round, and is more severe in winter when the temperature is low. It can often be followed by other diseases. If not treated and cured in time, the mortality rate can reach more than 90%. The comprehensive treatment for this disease is: 0.1g per head, 0.1g per nitrite, 0.25g per head of the mother or yeast tablets, mixed with finely ground, then mixed with rice soup to form a paste, and then bamboo The piece (one centimeter wide) is fed into the bottom of the piglet's tongue and allowed to swallow it twice a day. Practice has proved that the vast majority of patients are fed evenly, and a few have complications of intramuscular injection of chloramphenicol. The main preventive measures for this disease are: (1) Regularly maintain the dryness and hygiene of the piglet's activity place, and use the yellow and white manure that the piglets pull out to cover the lime powder in time, so that the healthy pigs should not be swallowed. (2) Pay attention to cold and warm, don't let the thief wind invade. (3) Regular disinfection, once a month, and take turns to use disinfectant drugs. (4) Inoculation of yellow and white peony genetic engineering seedlings k88ab, K88ac, k99, k9879 in the pregnant sows about 30 days before the birth. Second, pig gasping disease The disease is a chronic infectious disease that is widely prevalent in the cold season. It is one of the top five infectious diseases, and its pathogen is Mycoplasma pneumoniae. Its main feature is gasping, and there is obvious abdominal breathing in the chest and abdomen. If the treatment is not timely, many pathogens often die. The main source of infection is from sick pigs, especially those from the old affected areas (such as Ningxiang pigs, Tongcheng pigs and Taihu pigs). Some of the newly introduced pigs have eliminated the symptoms through treatment. The lesions in the lungs have not disappeared, and they can also be sterilized in a "suitable" cold climate and harsh environment. The main route of infection is to infect other livestock (mainly pigs) by the exhaled or coughed droplets of the sick pig's respiratory tract. The treatment of this disease is: intramuscular injection of oxytetracycline, 40-50mg per kilogram of body weight, 2 times a day, 5-7 days for a course of treatment. Or use kanamycin, intramuscular injection of 40,000 units per kg of body weight, 2 times a day, for 5-7 days. When the breathing is difficult and the gasps are severe, ephedrine can be used to relieve the amount of subcutaneous injection, 50mg per head. The preventive measures for this disease are: (1) Adhere to self-support and self-support, and it is strictly forbidden to introduce from infected areas. (2) Regular disinfection, make a record, and keep the house dry and hygienic. (3) Pay attention to cold and warmth, and close the doors and windows in time, add hanging straw curtains, and change the semi-open nursery to a closed nursery. (4) Pay attention to the stocking density, not too crowded, and its suitable density is 1.5 square meters / head. (5) Add oxytetracycline powder to the feed. About 200 grams per ton of feed, one week off for half a month, because of long-term use is easy to produce resistant strains with R factor. Third, piglet diarrhea Piglet diarrhea is a typical multifactorial disease under intensive pig production conditions. The causes are viral, bacterial and parasitic, as well as feeding due to poor quality feeding, poor management, poor sanitary conditions, and freezing and cold. For diarrhea caused by viruses, it is still difficult to diagnose the virus at the grassroots level. However, the attenuated vaccination of TGE produced by Harmony is used to prevent diarrhea caused by infectious gastroenteritis virus (TGE) by breast milk. Other the same preventive measures are: (1) cut off all external sources of infection, improve the disinfection system of the pig farms, and insist on self-supporting; when foreign pigs must be introduced, they should be quarantined first; (2) implement the all-in and all-out system of piglets. Strengthen the management of piglets and improve the regular disinfection system. (3) Do a good job in cold protection and warmth. (4) Prohibit feeding of metamorphic feed. Effective treatments for this disease currently include: (1) oral citrate protein, 2-3 grams per head, or oral guanidine nitrate, 0.2-0.3 grams per head, for astringent diarrhea. (2) Oral human "diarrhea", 0.25g (half) per head, for the treatment of diarrhea caused by bacteria. (3) Intramuscular injection of broad-spectrum antibiotics and antibiotics to prevent mixed infection. (4) Rehydration for those with obvious symptoms of wasting and collapse. 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