What is an example of using livestock byproducts other than meat?

The correct choice highlights the utilization of various livestock byproducts beyond meat, specifically focusing on milk and wool production. Livestock such as cows, goats, and sheep provide valuable byproducts that are essential in agriculture and daily human life.

Milk is a significant source of nutrients and can be processed into various dairy products like cheese, yogurt, and butter, which are staples in many diets worldwide. Wool, on the other hand, is harvested from sheep and is extensively used in the textile industry for clothing, blankets, and other fabric products. Both milk and wool demonstrate how livestock contribute to human needs in ways that do not involve meat, reflecting the versatility and economic importance of livestock farming.

The other options relate to agricultural practices but do not directly represent livestock byproducts. The production of chemical fertilizers generally involves synthetic or organic materials but isn’t derived from livestock directly. Utilizing animal gas emissions, while an interesting topic, focuses on emissions management rather than the indirect benefits of livestock. Increased reliance on pesticides deals with crop management and pest control rather than byproducts sourced from animals, making it unrelated to the context of livestock byproducts. Thus, milk and wool stand out as prime examples of alternative uses for livestock.