Oxford Grids currently available for pig: Pig vs Human Pig vs Mouse Pig vs Rat Pig vs Cattle Pig vs Sheep Data sources: Pig data from USDA Meat Animal Research Center (MARC) http://www.marc.usda.gov/genome/genome.html (downloaded 10 September 2003). Goat data and sheep data courtesy of Jill Maddox, Centre for Animal Biotechnology, School of Veterinary Science, University of Melbourne. Human, mouse and rat data comes from NCBI.