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Cause of cause
1, feed incentives: feed nutrition imbalance, low protein, vitamin deficiency are all causes of the disease. 2, ophthalmia is an important cause of the disease, clinically found that all chickens with glandular gastritis first ophthalmic symptoms occur first. 3, some of the vertical transmission of the pathogen may also be the cause of the disease, such as clinical often found reticuloendotheliosis, chicken anemia factor, Malik and so on.
symptom
The diseased chickens drastically reduced their intake of food and drinking water, their spirits were depressed, their heads necked, their feathers were loose, their wings were hanging, their tears, swollen eyes, and their noses were thrown away (throwing mouth, mucus in the nose), and a few chickens breathed and breathed. , pull white, yellow and green dilute feces, some chickens have effusion in the hernia sac, neck enlargement, weight loss, severe illness, failure to die. The use of ciprofloxacin hydrochloride pure powder, levanoxacin hydrochloride pure powder and other treatment is ineffective.
Diagnosis: According to the incidence, clinical symptoms, pathological changes and drug treatment, make a preliminary diagnosis. The adeno-gastric, liver, spleen, pancreas, and trachea of ​​the diseased chicken were collected. After virus isolation, electron microscopy was performed. A large number of capsules were seen and the capsule surface was spherical or pear-shaped. The shape was multi-shaped and the diameter was 80-160 μm. virus. The disease has many similarities with the clinical symptoms and pathological necropsy changes of Newcastle disease, Marek's disease, and renal type transmission. It should be noted that the disease should be identified.
prevention
1, usually to strengthen feeding and management, do a good job of environmental health, breeding density should be appropriate, pay attention to ventilation. 2, the disease is a new coronavirus disease, single antibiotic treatment is invalid, to take vaccine injection, antibiotics with antiviral drugs, Chinese herbal medicine, electrolysis multidimensional symptomatic treatment of comprehensive prevention and treatment measures. The earlier the discovery, the sooner the treatment, the higher the cure rate. 3, 10-20 days old, injecting inactivated oil emulsion or tissue inactivated vaccine of chicken glandular gastroenteric infectious bronchitis, 0.3-0.5 ml / only; 1 injection 15-20 days before laying eggs, each 0.5 Ml can prevent this disease very well.
Treatment: 1, emergency inoculation: the entire group of chicken emergency injection of chicken gland gastroenteric infectious bronchitis oil emulsion inactivated vaccine, 0.5 ml / only, 10-15 chickens for a needle, the first injection of healthy chicken, after the injection of sick Chicken to prevent spread by needle infection.
2, drug treatment: (1) the whole group of chicken drinking morning doxycycline pure powder (5 grams of water plus 50 kilograms of medicine) in the afternoon to drink ribavirin pure powder (5 grams of water 75 kg), while drinking electrolytic multidimensional. (2) 45 grams of Andrographis paniculata, 30 grams of Huanglian, 30 grams of agarwood, 45 grams of astragalus, 40 grams of Phellodendron, 30 grams of ephedra, 50 grams of Bupleurum, 40 grams of licorice, 45 grams of Daqingye, 45 grams of Radix, 30 grams of forsythia Scrophulariaceae 30 grams, add appropriate amount of water to open cold, 1% spices feed service, use 5d. Three days after the above method was adopted, the condition of the chickens was obviously improved, the epidemic situation was controlled, and a small number of seriously ill chickens died.
Comprehensive prevention of chicken stomach gastro-infection in farms
The chicken gastroduodenal branch is the chicken glandular gastroenteric infectious bronchitis, a new infectious disease caused by the new coronavirus infectious bronchitis.