At the end of this lesson you will be able to

- Explain what biosecurity means.

- Describe why biosecurity is important.

- Identify what kinds of disease agents we try to prevent or control with biosecurity.

- Demonstrate disease agent-host-environmental interactions that result in disease.

In this interactive object, learners study animal estrous cycle lengths. They then test their knowledge in three exercises.

By the end of this module, you’ll be able to:

- List four categories of disease agent sources

- Discover conditions when disease transmission is likely to occur

- Describe the means of disease transmission in a given situation

Learners listen to an explanation of how to perform an inventory of a farm business. They then list their hard assets and human resources by completing worksheets that they save to their personal computers.