Large Animal Advanced Clinical Management WEEK 1
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Questions and Answers

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)?

  • No, at a BCS 5/9 she is not at risk for EMS.
  • No, her management would not change even if she has EMS
  • Yes, horses with EMS+PPID need to have a diet at <10% NSC regardless of BCS. (correct)
  • Yes, horses with EMS+PPID are less likely to respond to pergolide.

    • 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. (correct)
  • Prescribe Thyro-L
  • Prescribe metformin
  • All of the above

    • 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:

  • high NSC (>18%) and lower protein (low end of maintenance.)
  • moderate NSC (13-18%) and higher protein (one activity level higher than their current performance.) (correct)
  • very low NSC (<10%) and normal protein (recommendation for their current performance.)
  • n/a

    • What horse would benefit the most from an increase in the dose of pergolide? A horse with:

    <p>no clinical response + no decrease in ACTH.</p> Signup and view all the answers

    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.

    <p>Increase exercise.</p> Signup and view all the answers

    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?

    <p>Genetic testing for Malignant Hyperthermia</p> Signup and view all the answers

    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?

    <p>It moves potassium intracellularly.</p> Signup and view all the answers

    Horses with myofibrillar myopathy do best when managed on diets high in what macronutrient?

    <p>Protein</p> Signup and view all the answers

    Why do horses with PSSM Type 1 respond well to daily exercise?

    <p>Provides consistent breakdown of glycogen</p> Signup and view all the answers

    What management practice is a known risk factor for horses with recurrent exertional rhabdomyolysis (RER)?

    <p>Stall rest</p> Signup and view all the answers

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