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Swine Science by Palmer J. Holden and M.E. Ensminger, 2006, Seventh Edition, Pearson Prentice Hall, New Jersey.
The Growing and Finishing Pig: Improving Efficiency by Peter English, Vernon Fowler, Seaton Baxter, and Bill Smith, 1988, Farming Press, Ipswich, UK
Nontraditional Feed Sources for Use in Swine Production by P.A. Thacker and R.N. Kirkwood, 1990, Butterworths, Massachusetts.
Swine Nutrition by Austin J. Lewis and L. Lee Southern, 2001, Second Edition, CRC Press, Florida.
The Sow-Improving Her Efficiency by Peter English, William Smith, and Alastair Maclean, 1979, Farming Press, Ipswich, UK
The US Pork Sector: Changing Structure and Organization by Marvin Hayenga, V. James Rhodes, Jon A. Brandt, and Ronald E. Deiter, 1985, ISU Press, Iowa.
Reproduction in the Pig by Paul Hughes and Mike Varley,1980, Butterworths, Massachusetts.
The Hog Disease Book by M.S. Cover, 1972, Ralston Purina Company.
Control of Pig Reproduction by D.J.A. Cole and G.R. Foxcroft, 1982, Butterworths, Massachusetts.
Pathology of the Pig: A Diagnostic Guide by L.D. Sims and J.R.W. Glastonbury, 1996, The Pig Research and Development Corporation, Australia.
NRC. 1998. Nutrient Requirements for Swine, Tenth Edition, National Academy Press, Washington, DC.