Chemical fertilizers, herbicides and pesticides are used if not required. The chicks are purchased from an agribusiness. The piglets are sometimes bred by the feedlot operator. The calves are probably purchased from a dairy farmer. The feed is purchased from a farmer probably after processing by an agribusiness.
Water is pumped and waste products are sent elsewhere.
This Charlotte's Web is as dependent upon electrical power and the transportation net as other industries. A feedlot without deliveries of feed is a famine. A feedlot without power to pump water is a drought. A dairy farm without electricity requires many people. A grain elevator full of wheat does not feed the farmer who grew it.