H. L. Shivaprasad,¹ M. B. Cadenas,² S. S. Diab,³ R. Nordhausen,⁴ D. Bradway,⁵ R. Crespo,¹ E. B. Breitschwerdt<sup>2

1</sup>California Animal Health and Food Safety Laboratory System, Fresno Branch, School of Veterinary Medicine, University of California-Davis, Fresno, California 93725, U.S.A
²Intracellular Pathogens Research Laboratory, Center for Comparative Medicine and Translational Research, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina 27606, U.S.A
³California Animal Health and Food Safety Laboratory System, San Bernardino Branch, School of Veterinary Medicine, University of California-Davis, San Bernardino, California 92412, U.S.A
⁴California Animal Health and Food Safety Laboratory System, Davis Branch, School of Veterinary Medicine, University of California-Davis, Davis, California U.S.A
⁵Washington Animal Disease Diagnostic Laboratory, Washington State University, Pullman, Washington 99164, U.S.A