Newcastle disease is an infection of domestic poultry that primarily manifested as an acute respiratory disease. There are several pathotypes of Newcastle disease infection with virulent velogenic ND virus rendered the most catastrophic mortality rate. Predominant clinical signs include depression, nervous sign of torticollis and enteric sign of greenish to whitish diarrhea.
Fowl cholera disease is a contagious bacterial infection causing acute mortality. This disease manifested in a form of acute septicemia to chronic and localized infections. Domestic fowl, game birds and small feral birds are all susceptible to the disease.
Duck pasteurellosis is a disease that associates with high mortality, morbidity and egg production losses amongst duck. It usually occurs as septicemia of a sudden onset but chronic infection also occurs. Prevention with vaccination and good level of biosecurity is the key to control this contagious disease.