1. Breeds of Livestock Animals

2. How are they categorized?
Breeds are categorized by their phenotypic traits:
Color and/or color patterns.
Frame and size
Degree of muscling
Environmental adaptations

3. Color and/or Color Patterns

4. Frame & Size
Heavy versus light boned, tall versus short, long body versus short body, etc.

5. Degree of Muscling
Amount of muscle overall as well as more muscle in a particular section of the animal such as the hindquarter.

6. Environmental Adaptations
Extra skin to improve heat
tolerance and insect resistance
Brahman, Zebu & Sanga