Stacey R. Byers

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Bovine viral diarrhea virus (BVDV) is an emerging infectious pathogen of concern to the alpaca industry. A 4-month-old, intact, male alpaca cria was diagnosed as persistently infected with BVDV on the basis of repeated positive antemortem polymerase chain reaction (PCR) and virus isolation (VI) assays and negative serologic titers to BVDV.(More)
OBJECTIVE To compare β-hydroxybutyrate (BHB) and glucose concentrations measured with a dual-purpose point-of-care (POC) meter designed for use in humans and a laboratory biochemical analyzer (LBA) to determine whether the POC meter would be reliable for on-farm measurement of blood glucose and BHB concentrations in sheep in various environmental conditions(More)
REASONS FOR PERFORMING STUDY Effective decontamination of animal holding environments is critical for providing high quality patient care and maintaining a safe working environment. Disinfection of animal holding environments is a significant challenge during times of epidemic disease. OBJECTIVES The purpose of this study was to evaluate the disinfectant(More)
Epizootic hemorrhagic disease virus (EHDV) infection was diagnosed in a 3-year-old yak. The yak had signs of intermittent tremors, dysphagia, oral ulcerative lesions, hemorrhagic enteritis, tachypnea, and thrombocytopenia. Postmortem diagnostics confirmed EHDV (serotype 2) using reverse-transcriptase polymerase chain reaction (RT-PCR). Gross and(More)
BACKGROUND Diaphragmatic paralysis is a relatively uncommon medical condition in animals not reported in alpacas. OBJECTIVES Describe the signalment, physical examination, diagnostic testing, clinical, and histopathologic findings related to diaphragmatic paralysis in alpacas. ANIMALS Eleven alpacas with spontaneous diaphragmatic paralysis. METHODS A(More)
The dysnatremias are defined as abnormalities in serum sodium concentration. Depending on the magnitude and duration of the sodium abnormality and the nature of any concurrent or primary disease, hypernatremia and hypernatremia may result in no consequences, subclinical impairment of health and productivity, or severe clinical disease. Dysnatremias can be(More)
This study evaluated a retrograde orotracheal intubation technique and compared it to the traditional normograde intubation technique used in llamas. Oral anatomical features, which can impair visualization of the epiglottis and laryngeal structures, and the production of excessive salivary secretions make it difficult to establish an airway under emergency(More)
An approximately 4-year-old castrated male, Saanen cross goat presented to the Colorado State University Veterinary Teaching Hospital for evaluation and removal of a 22 cm × 22 cm, dark red, thickened, and crusted cutaneous lesion along the left ventrolateral thorax. An initial incisional biopsy performed approximately 8 weeks earlier was suspicious for(More)
A 12-year-old, castrated male llama (Lama glama) presented with a 12-cm diameter cranial mass. Computed tomography and postmortem examination revealed that the mass invaded the calvarium and compressed the rostral part of the brain. Light microscopic examination confirmed a fungal granuloma.
Clinical cases of vitamin E deficiencies have been diagnosed in camelids and may indicate that these species are more sensitive to inadequate vitamin E in hay-based diets compared to other ruminant and equine species. In bovine, cholesterol has been reported to affect vitamin E concentrations. In order to evaluate vitamin E deficiencies in camelids, the(More)