ANSC Feeds Practice Exam 2025 - Free Practice Questions and Study Guide

Energy feeds are primarily characterized by their high content of carbohydrates and fats. This is because carbohydrates and fats are the primary sources of energy that livestock derive from their diet. Carbohydrates include simple sugars and starches, which are quickly digested and converted into energy. Fats provide a more concentrated source of energy, as they yield more energy per gram compared to carbohydrates.

The significance of energy feeds lies in their role in promoting growth, production, and overall health in animals. Livestock require adequate energy for various bodily functions, including maintenance, growth, lactation, and reproduction. Thus, energy feeds are formulated to provide these essential nutrient levels.

In contrast, other options, while essential for animal nutrition, do not uniquely identify energy feeds. For instance, feeds high in minerals and vitamins serve other crucial roles in supporting health and metabolic functions but are not primarily focused on energy provision. High fiber content is characteristic of roughages, which primarily aid in digestion rather than providing energy. High water content pertains to the moisture level of feeds but does not specifically relate to their energy contribution.