- Sheep economics: web-based version of a program originally developed by Dr. K. Knipe and Dr. Gary E. Ricketts at University of Illinois and modifed by Dr. D. Thomas and Dr. B. Southey
- Goat economics: based on the sheep economics program by Dr. Southey, Dr. Knipe and Richard Cobb.
- Net Present Value for sow longevity for a single interest rate
- Net Present Value for sow longevity for a range of interest rates