1. Department of Animal Science, Cornell University, Ithaca, New York;
2. Department of Animal and Veterinary Sciences, College of Agriculture and Marine Sciences, Sultan Qaboos University, Muscat, Oman;
3. Department of Animal Science, University of Florida, Gainesville, Florida;
4. Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York;
5. Baker Institute for Animal Health, Cornell University, Ithaca, New York;
6. Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas; and
7. Department of Biology, La Sierra University, Riverside, California