agricultural economics department, swine production economics, livestock production efficiencies
Agricultural Extension Service, South Dakota State College of Agriculture and Mechanic Arts
Sales of livestock and of livestock products constitute an important part of the receipts on most South Dakota farms. Records on 126 farms in Brown and Jones Counties in 1921 show that in brown County 37 percent and in Jones County 80 percent of the cash receipts were from these sources. South Dakota is so far from the terminal markets that nearly all of the roughage and a large part of the coarse grain produced in the State is fed to livestock and marketed in the form of beef, pork, butterfat and eggs. It follows that, on any particular farm, the productiveness of the livestock, or the efficiency with which they convert feed-stuffs into marketable food is an important factor affecting profits.
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McCullough, H., "Efficient Livestock and Profits from Farming with a Special Reference to Economical Pork Production" (1922). SDSU Extension Circulars. 67.