Name two infectious diseases of fishes.

Define infectious diseases.

Write two infectious diseases of each of cows, poultry and fishes.

Name the infectious disease that leads to immunodeficiency and wasting of body parts. Give the scientific name of the pathogen causing the disease and mention the body organs it primarily affects.

Name an infectious disease which is fatal?

Name two viviparous fishes.

Name one infectious and non-infectious disease that is the major cause of mortality.

Diseases are broadly grouded into infectious and non- infectious diseases. In the list given below indentify the infectious diseases.