What are poultry diseases and how can they be prevented?

What are poultry diseases and how can they be prevented?
Answer:
Poultry fowl suffer from a variety of diseases caused by virus (Dermitis), bacteria (Tuberculosis), fungi (Aspergillosis), parasites like worms, mites as well as from nutritional deficiencies. These necessitate proper cleaning, sanitation and spraying of disinfectants at regular intervals. Appropriate vaccination can also prevent the occurrence of infectious diseases and reduce the loss of poultry during an outbreak of a disease.’