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Diagnosis and treatment of the most acute avian cholera in Haichang Wenchang chicken

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2019-12-16
  • Views:4

Diagnosis and treatment of the most acute avian cholera in Haichang Wenchang chicken

(Summary description)Hainan has a warm climate all year round and belongs to a marine monsoon climate. Items such as clothes and towels are prone to mold if they are not dried in time.

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2019-12-16
  • Views:4
Information
    Hainan has a warm climate all year round and belongs to a marine monsoon climate. Items such as clothes and towels are prone to mold if they are not dried in time. Wenchang chicken is one of the four major dishes in Hainan. It is usually raised for 108 days. Poultry cholera, also called poultry failure, is caused by Pasteurella multocida and is an acute, hemorrhagic, and septicemia. Poultry cholera is susceptible to a variety of poultry and birds such as chickens, ducks and geese. It is often sporadic or endemic in flocks, and most often occur in adult chickens. Sick and carrier birds are the source of the disease. Poor house crowding, climatic mutations, feeding disorders, long-distance transportation, and parasitic diseases can all contribute to the epidemic. It can occur throughout the year, but it usually occurs during the cold and hot alternation period, and it occurs frequently in the months before the Spring Festival in Hainan.
    Avian cholera can be divided into the most acute, acute and chronic.
    The most acute type: often without early symptoms, suddenly falling to the ground, flapping wings, convulsions, struggling, and dying quickly; often die at night, more common in hypertrophic birds.
    Acute type: sudden onset, anorexia, crown purple, mucus in the mouth and nose, sometimes bloody mucus outflow; chancre, light yellow or yellow-green thin stool.
    Chronic type: weight loss, swelling and thickening of the flesh, swelling of the joints, and difficulty breathing.
    Prevention:
    1. Usually do a good job of sanitation and regular disinfection. 2. Chicken flocks should take immediate treatment measures. Where conditions permit, select the effective group of drugs to be administered through drug sensitivity tests. Sufukang (compound sulfadiazine), Sujing or Hercules (butylamana sulfate), Changliwei (ciprofloxacin), enrofloxacin and quinethanol all have good effects. 3. In the course of treatment, the dose should be sufficient and the course of treatment is reasonable. After the chickens' death has decreased significantly, continue to administer the medicine for 2 to 3 days to consolidate the curative effect and prevent recurrence. 4. In addition, chicken cholera can cause the chicken's body temperature to rise to 43 ° C ~ 44 ° C, so it is necessary to provide sufficient clean drinking water. 5. For often-fat areas or chicken farms, chicken cholera propolis vaccine and chicken cholera attenuated vaccine can be used for immunization, which can play a certain role in preventing and controlling the disease.
    Boss Zhang of Bozhou City, Hainan has a history of raising chickens in Hainan for 8 to 9 years. He has raised about 4,500 Wenchang chickens, and has a comprehensive immunity. Influenza (including H5, H9), usually pay more attention to environmental disinfection, disinfection once a week. The chicken flocks are more than 90 days old and eat 10 packs a day. The chicken flocks have been relatively stable until January 11, 2013. The cases submitted this time have basically not happened before. It had rained for some time before and the chicken farms The ground is relatively humid. During the feeding on the morning of January 11th, it was found that 7 to 8 chickens died, and the acutely died crown did not turn black, and its color was abnormal compared with that of ordinary chickens. Five chickens were sent for inspection that morning. The chickens were in good nutrition, their sacs were full, and their body temperature was still there. The autopsy status is as follows: 5/5 liver multiple needle tip size grayish white necrosis or bleeding point, 5/5 pericardial effusion, 4/5 coronary heart fat bleeding point, 3/5 cardiac muscle with obvious bleeding spots, 2/5 heart Envelope bleeding point, 5/5 intestinal mucosa shedding, runny nose after light scraping, 4/5 duodenal hyperemia, 5/5 pulmonary edema, 5/5 spleen enlargement, 4/5 gallbladder enlargement, 3/5 abdominal cavity, subcutaneous yellow exudate, 2/5 intestinal maggots and so on. Based on epidemiology (no pre-symptoms, acute onset, high mortality), and pathological characteristics (needle size necrosis of the liver, heart coronary fat hemorrhage, pulmonary edema, duodenal hemorrhage), the most acute diagnosis of avian cholera was initially made.
    Prescription: Changliwei (10% ciprofloxacin lactate) 800 g + 20% sulfamethoxazole 1000 g against 300 liters of water, emergency administration, continuous drinking for 6 hours to 8 hours, once a day for 3 consecutive days; stop for 2 days, then Dosing for 3 days. On the morning of January 11, the poultry owner cut off the water for the chickens before coming to the pharmacy. After returning to the market about two hours, the chickens were given medicine and water. Two days later, the shop reported that the flocks calmed down quickly after the medication, and then continued to observe for half a month, reflecting that there was no disease.

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