Differentiation may include

identifying signs of healthy animals
describing animal diseases, the symptoms of each disease, how they are contracted and/or transmitted, and how to prevent and/or treat them
identifying common parasites and related prevention and treatment methods
explaining basic vaccination concepts, techniques, and the factors involved in vaccination schedules.

Process/Skill Questions:

What animal behaviors indicate stress or poor health? Why is it important to understand animal behavior?
What facility maintenance procedures can be put in place to keep animals healthy?
Why is it important to understand how diseases can be transmitted from animal to animal?
What are the most common diseases and parasites among domestic animals in the local area?
How effective are common preventive measures against diseases?
How effective are parasite control products? What strategies improve the efficacy of these products?
How has the development of vaccine protocols affected overall animal health?
Why is a vaccination schedule important to an animal's health? What factors should be considered in establishing a vaccination schedule for an animal?
What is the purpose of the withdrawal period?