ANSC Feeds Practice Exam 2026 - Free Practice Questions and Study Guide

The classification of feedstuffs into carbonaceous concentrates typically refers to high-energy feeds that are low in protein and high in carbohydrates, often sourced from non-grain materials. In this context, molasses and vegetable oils fit the criteria perfectly.

Molasses is a by-product of sugar production and is rich in sugar, providing a high-energy source for livestock. It primarily consists of simple carbohydrates that are easily digestible, making it an excellent carbonaceous concentrate. Vegetable oils, on the other hand, are high in fats, which are also a concentrated source of energy. They can provide essential fatty acids and additional calories, further contributing to the energy density of the feed ration.

Together, these two feedstuffs can be used to enhance the energy content of diets without relying on traditional grain sources. The other choices either include grains or by-products such as soybean hulls or hay, which are not classified as carbonaceous concentrates in this context.