Author Affiliations +
D. J. Jackwood,1 S. E. Sommer-Wagner,1 H. J. Pharo2
1Food Animal Health Research Program, The Ohio Agricultural Research and Development Center, The Ohio State University, 1680 Madison Ave., Wooster, Ohio, USA, 44691
2Risk Analysis Unit, Biosecurity New Zealand, Ministry of Agriculture and Forestry, 25 The Terrace, Wellington, New Zealand