Perennial Ryegrass Staggers
Perennial Ryegrass Staggers Basic Information Definition Mycotoxicosis associated with the ingestion of endophyte (Neotyphodium lolii)-infected perennial ryegrass (Lolium perenne) Synonym(S) Stagger syndrome Epidemiology Geography and Seasonality Perennial ryegrass is a…
Ulcers, Buccal and Lingual
Ulcers, Buccal and Lingual Basic Information Definition Ulcers found on the buccal aspect of the cheeks and lateral aspect of the tongue, typically associated with sharp enamel points of the…
White Snakeroot and Rayless Goldenrod Toxicosis
White Snakeroot and Rayless Goldenrod Toxicosis Basic Information Definition White snakeroot (Ageratina altissima), and rayless goldenrod (Isocoma pluriflora), members of Asteraceae, contain similar toxins collectively referred to as tremetol. Synonym(s)…
Malocclusions, Dental
Malocclusions, Dental Basic Information Definition Abnormal occlusal wear patterns involving the premolar and molar arcades Synonym(s) Hooks, ramps, waves, steps Epidemiology Risk Factors Age, dental trauma, orthodontic abnormalities, dental dysplasia…
Pulmonary Fibrosis, Multinodular
Pulmonary Fibrosis, Multinodular Basic Information Definition Multinodular pulmonary fibrosis (MPF) is a respiratory disease of adult horses that is characterized by interstitial and nodular pulmonary infiltrates of collagen and inflammatory…
Urinary Bladder and Urethral Rupture
Urinary Bladder and Urethral Rupture Basic Information Definition Rupture of the urinary bladder or urethra caused by increased intraabdominal pressure, occlusion, or localized infection Synonym(s) • Uroabdomen • Uroperitoneum Epidemiology…
Portosystemic Shunt
Portosystemic Shunt Basic Information Definition Portosystemic shunts are vascular anomalies that cause blood from the portal circulation to bypass the liver and flow into the systemic circulation, allowing metabolic byproducts…
Aortic Aneurysm
Aortic Aneurysm Basic Information Definition Localized abnormal dilation of the aorta that can be congenital or acquired. May occur at the aortic sinus or in the thoracic or abdominal aorta….
Osteoarthritis, Proximal Interphalangeal Joint (Ringbone)
Osteoarthritis, Proximal Interphalangeal Joint (Ringbone) Basic Information Definition A progressive and permanent deterioration of the articular cartilage of the proximal interphalangeal (PIP) joint accompanied by changes in the bone and…