The increasing size and specialization of hog operations reflect structural change in U.S. swine production during the past 15 years. The number of farms with hogs has declined by over 70 percent, as hog enterprises have grown larger. Large operations that specialize in a single phase of...

U.S. hog farms declined in number by more than 70 percent over the past two decades while hog inventories remained stable. The result has been an industry with larger hog enterprises, increased specialization in a single phase of production, greater reliance on purchased feed rather than feed...