Changes

====Factors Involved in the Development of Disease====

====Factors Involved in the Development of Disease====

There are three factors which conspire with each other to produce disease

* There are three factors which conspire with each other to produce disease.

1. Animal - its nutritional and immune status, modified by

*# The individual animal.

a. recent or concurrent disease

*#* In particular, the animals nutritional and immune status

b. previous exposure to the agent(s) responsible

*#** This is modified by:

*#*** Recent or concurrent disease

*#*** Previous exposure to the agent(s) responsible

 

2. Agent(s) - a. most do not cause a uniform pattern of disease: host defences are important

2. Agent(s) - a. most do not cause a uniform pattern of disease: host defences are important

b. its capacity to produce disease depends upon

b. its capacity to produce disease depends upon