Energy deficiency

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Sections available in full article Introduction, Presenting signs, Age predisposition, Cost considerations, Special risks (e.g. anesthetic), Pathogenesis, Etiology, Pathophysiology, Timecourse (incubation, duration), Diagnosis, Presenting problems, Client history, Diagnostic investigation, Gross autopsy findings, Differential diagnosis, Treatment, Initial symptomatic treatment, Monitoring, Subsequent management, Prevention, Prophylaxis, Sequelae, Prognosis, Expected response to treatment, Reasons for treatment failure, Sources, Publications, Vetstream contributor(s),
Contributors Jones A BVetMed
Synonyms Starvation, undernutrition, diet

Introduction

  • Each individual animal has unique energy requirement.
  • Energy is derived from dietary fat, carbohydrate and protein.
  • Cause : (often) young animal fed homemade diet.
  • Signs : weight loss +/- failure to grow.
  • Diagnosis : must rule out weight loss due to concurrent disease (because of legal welfare considerations).

Diagnosis

Differential diagnosis

  • Maldigestion  Maldigestion  .
  • Malabsorption  Malabsorption  .
  • Renal insufficiency  Kidney: chronic kidney disease  .
  • Hepatic disease  Chronic diarrhea: hepatic failure  .
  • Cardiac insufficiency  Congestive heart failure  .
  • Periodontal disease  Periodontal disease  .
  • Parasitic disease .
  • Neoplasia .
  • Pain-induced anorexia .
  • Drug toxicity .
  • Adverse environmental conditions: eg adverse housing, hospitalization.

Sequelae

Prognosis

  • Good: if uncomplicated starvation and detected early.
  • Guarded: if concurrent disease - depends on primary cause.

Expected response to treatment

  • Gradual return to optimum body weight: time taken depends on animal's initial weight.
  • Improving activity level and general demeanor.

Reasons for treatment failure

  • Concurrent systemic disease.
  • Standard reasons  Standard reasons for failure in a treatment  .

Sources

Publications

Refereed papers

  • Burger I H (1994).Energy needs of companion animals: matching food intakes to requirements throughout the life cycle.Journal of Nutrition124, 2584S-2593S

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