Final answer:
Urea is added to molasses feed products to provide a source of nitrogen for livestock. It is easily digestible and readily available for the animals. This supplementation helps meet the animals' protein requirements.
Step-by-step explanation:
Urea is added to molasses feed products as a source of nitrogen for livestock. Livestock, such as cattle, require nitrogen for the synthesis of proteins and other essential compounds in their bodies. By adding urea to molasses feed, farmers can provide a readily available and easily digestible source of nitrogen for the animals.
For example, in ruminant animals like cows, the bacteria in their rumen can convert urea into ammonia, which serves as a source of nitrogen for the synthesis of microbial protein. This microbial protein can then be digested by the animal to meet its protein requirements.
Additionally, urea is a cost-effective way to supplement the nitrogen content in animal feed, especially in regions where natural sources of nitrogen may be limited or unavailable.