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  • 1 1Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523.
  • | 2 2Department of Environmental Health and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523.
History

A 9-day-old approximately 25-kg (55-lb) Jersey bull calf that had been transported from Texas to Colorado on the day of birth was evaluated because of a 3-day history of coughing and diarrhea, with lethargy that progressed to lateral recumbency 12 hours before examination. The calf was obtunded, laterally recumbent, and dehydrated (approx 8% to 10%). The calf's rectal temperature and heart rhythm and rate were within reference limits; however, the calf was tachypneic (50 breaths/min; reference range, 15 to 40 breaths/min). The calf's ears as well as the distal aspect of all 4 limbs were cold to the touch,

Contributor Notes

Address correspondence to Dr. Stuart (amy.kunkel@colostate.edu).