Describe Newcastle disease in terms of: Etiology Species attacked Transmission and pathogenesis Clinical signs Diagnosis Treatment and control

      

Describe Newcastle disease in terms of:
Etiology
Species attacked
Transmission and pathogenesis
Clinical signs
Diagnosis
Treatment and control

  

Answers


Kavungya
etiology,
Newcastle disease virus

Species affected
Poultry

Transmission and pathogenesis
Aerosols and by ingesting contaminated water or food
Infected birds shed virus in exhaled air, respiratory discharges, and feces. Virus is shed during incubation, during the clinical stage, and for a varying but limited period during convalescence. Virus may also be present in eggs laid during clinical disease and in all parts of the carcass during acute virulent infections

Clinical signs
Characterized by high mortalities
Respiratory signs of gasping, coughing, sneezing, and rales predominate in low virulence infections. Nervous signs of tremors, paralyzed wings and legs, twisted necks, circling, clonic spasms, and complete paralysis may accompany, but usually follow, the respiratory signs in neurotropic velogenic disease

Diagnosis
Clinical signs, laboratory tests

Treatment and control
No treatment
Control by vaccination
Kavungya answered the question on May 6, 2019 at 12:59


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