Structure and Operations


This factsheet lists data sources and associated hyperlinks to the breeding herd structure in the U.S. The website contains data on changes in the composition of the breeding herd by size of operation and efficiency of the breeding herd. To go to the desired website click on the internet link provided in the third column of the references.






  • Locate yearly changes in litter size and size of breeding herd
  • Locate the number of livestock operations in each state
  • Locate the number of livestock operations by size within leading states
  • Locate changes in hog farms greater or smaller than 5,000 head






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