What would be an input for feedlot production related to beef cattle weight gain?

In the context of feedlot production for beef cattle, inputs are defined as any resources or materials used to enhance the growth, health, and productivity of the cattle. In this case, vitamins and minerals are essential dietary supplements that provide critical nutrients. They play a significant role in promoting weight gain by supporting overall health, improving digestion, and increasing feed efficiency in cattle.

Properly balanced vitamins and minerals can lead to better body condition, enhanced immune response, and improved metabolic functions, all of which contribute to more effective weight gain during the feeding period in a feedlot system. This makes them a vital input directly related to beef cattle weight gain.

The other options listed—ground beef, pork loin, and ribeye—are all derived from meat production rather than inputs used in feeding systems. They do not provide nutritional benefits to the cattle and, therefore, are not classified as inputs in the context of feedlot production for beef cattle.