Management and prevention of vitamin D deficiency rickets in captive-born juvenile chimpanzees (Pan troglodytes)

Randall E. Junge, Francis H. Gannon, Ingrid Porton, William H. McAlister, Michael P. Whyte

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Vitamin D deficiency rickets was diagnosed in three juvenile chimpanzees (Pan troglodytes) raised indoors under skylights and consuming only breast milk. Two cases detected early had mild but characteristic radiographic changes. More advanced disease presented with florid x-ray features of rickets and pathologic fractures, as well as hypocalcemia, hypophosphatemia, and low serum 25-hydroxyvitamin D levels. Treatment by a single injection of vitamin D2 in sesame oil (slow release) followed by daily oral supplementation with vitamin D2 corrected the condition. On the basis of experience with these cases and comparison with rickets in humans, a prevention protocol for mother-reared, inside-housed, chimpanzee juveniles was developed. Injection with slow release vitamin D2 (5,000 IU i.m. once) at 4 mo of age, followed by oral supplementation of 400 IU vitamin D2 daily until weaning, prevents rickets in juvenile chimpanzees raised indoors.

Original languageEnglish
Pages (from-to)361-369
Number of pages9
JournalJournal of Zoo and Wildlife Medicine
Volume31
Issue number3
DOIs
StatePublished - 2000

Keywords

  • Calcification
  • Chimpanzee
  • Hypocalcemia
  • Metabolic bone disease
  • Vitamin D

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