Identification and Prevention of Newcastle Disease in Pigeon

[etiology] also known as pigeon type I paramyxovirus disease, is a viral infectious disease (paramyxovirus type I virus), transmitted through contaminated feed, drinking water, pigeon utensils, and the clothes, shoes and hats of people who come into contact with diseased pigeons.

[symptoms] the initial symptoms are fluffy feathers, lethargy and loss of appetite. Paroxysmal spasm, one or both wings drooping, paws paralysis, head and neck twisted, head back, yellow-green watery feces, feces around the anus. Dyspnea, conjunctivitis or ophthalmitis, and nasal secretions can also be seen.

Anatomical lesions will find cerebral congestion, a small number of bleeding spots, and parenchymal edema. There is striped bleeding at the intersection of the esophagus and glandular stomach. Small intestinal mucosal congestion, bleeding, ulcer foci, cloacal congestion. Hepatosplenomegaly, bleeding spots in the liver, pale and enlarged kidneys. Pay attention to the difference between the diagnosis of this disease and pigeon paratyphoid and pigeon cholera, and whether there are complications.

[prevention and treatment] at present, there is no special treatment, only intramuscular injection or subcutaneous injection of type I paramyxovirus inactivated vaccine subcutaneous injection for prevention, the dose of 0.5 ml each, the second enhanced immunity. Therefore, to prevent the disease, we should pay attention to the invasion of foreign pathogens and introduce pigeon species from non-epidemic areas.