10 Questions
Should you recommend testing a 16-year-old Arabian with pituitary pars intermedia dysfunction (PPID), a body condition score of 5/9, and no history of laminitis for insulin dysregulation (i.e. EMS)?
Yes, horses with EMS+PPID need to have a diet at <10% NSC regardless of BCS.
What management changes should be initiated in a 9-year-old Morgan who you just diagnosed with EMS, is a BCS 7/9, and has no clinical signs of laminitis?
Eliminate pasture access.
What dietary modification should you recommend in a performance horse with PPID that has moderate muscle atrophy, a BCS 5/9, and normal insulin levels? This horse should be fed a diet that is:
moderate NSC (13-18%) and higher protein (one activity level higher than their current performance.)
What horse would benefit the most from an increase in the dose of pergolide? A horse with:
no clinical response + no decrease in ACTH.
What should you recommend in a horse with EMS whose insulin levels have improved but are still above reference range after being fed a hay <10% NSC and being ridden for 15 minutes (walk/trot) twice weekly for the past 6 months? The horse is not laminitic and a BCS 5/9.
Increase exercise.
What should you recommend in a 5yo Quarter horse with the GYS1 mutation for PSSM1 who has been diligently managed for 6 months but is not responding to environmental modifications?
Genetic testing for Malignant Hyperthermia
Why are horses in an acute episode of hyperkalemic periodic paralysis treated orally with a form of sugar (karosyrup or dextrose) to stimulate insulin secretion?
It moves potassium intracellularly.
Horses with myofibrillar myopathy do best when managed on diets high in what macronutrient?
Protein
Why do horses with PSSM Type 1 respond well to daily exercise?
Provides consistent breakdown of glycogen
What management practice is a known risk factor for horses with recurrent exertional rhabdomyolysis (RER)?
Stall rest
Week 1 iRATs
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