1. Percentage of Fat: This is the most common way to express fat content. It is simply the percentage of fat in the feed, typically written as "Fat (min) %". For example, "Fat (min) 4%" means that the feed contains at least 4% fat.
2. Crude Fat (CF): This is a more specific term that refers to the total amount of fat extracted from the feed using a specific chemical process. It is often written as "Crude Fat %".
Here's an example:
A feed bag might have the following information on the tag:
* Crude Fat: 5%
* Fat (min): 3%
This means that the feed contains at least 3% fat, and the total amount of fat extracted through chemical analysis is 5%.
Note: Different feed types may have different fat content ranges. The ideal fat content for a particular animal depends on its age, breed, activity level, and other factors.