Department of Animal Science, Oklahoma State University, Stillwater, OK 74078, USA;
Department of Animal Science, Oklahoma State University, Stillwater, OK 74078, USA;
Department of Animal Science, Oklahoma State University, Stillwater, OK 74078, USA;
Current Address: Department of Microbiology, Xiangya School of Medicine, Central South University, Changsha, Hunan 410078, China;
Department of Animal Science, Oklahoma State University, Stillwater, OK 74078, USA;
Current Address: Virology and Serology Section, Veterinary Diagnostic Services, New Mexico State Department of Agriculture, Albuquerque, NM 87196, USA;
Department of Animal Science, Oklahoma State University, Stillwater, OK 74078, USA;
Department of Animal Science, Oklahoma State University, Stillwater, OK 74078, USA;
Department of Biochemistry and Molecular Biology, Oklahoma State University, Stillwater, OK 74078, USA;
Department of Physiological Sciences, Center for Veterinary Health Sciences, Oklahoma State University, Stiilwater, OK 74078, USA;