Genetic variation of Heifer Mastitis in Canadian Dairy Herds Saranya G. Narayana*, Filippo Miglior, S. Ali Naqvi, Pauline Martin, Herman W. Barkema FOR MORE INFORMATION ON THIS PROJECT PLEASE CONTACT: Saranya Narayana Research assistant Tel.: 1-(226)-979-7120 Email: [email protected] Dr. Herman Barkema DVM, MSc, PhD, Professor University of Calgary Tel.: 1-(403) 220-2659 Email: [email protected] UCVM, Department of Production Animal Health 3330 Hospital Drive NW Calgary, AB, Canada T2N 4N1 Dr.Filippo Miglior PhD, Adjunct Professor Univeristy of Guelph Tel.: 1-(519) 767 9660 ext. 107 Email: [email protected] University of Guelph Centre for Genetic Improvement of Livestock 50 Stone Rd E Guelph, ON, Canada