Nov 20, 2012

Management strategies of iron accumulation in a captive population of black rhinoceroses (Diceros bicornis minor)

Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians
Natalie D MylniczenkoEduardo V Valdes

Abstract

During routine health screens for black rhinoceroses (Diceros bicornis minor) in a captive setting, serum iron and ferritin were analyzed as well as total iron binding capacity and total iron saturation. Trends for ferritin and percent iron saturation showed steady increases since 2003 in four of four animals (three males; one female) with two animals (one male; one female) consistently showing higher elevations over conspecifics. The historical diet had been comprised of a commercial or in-house complete pelleted feed; several species of fresh browse, Bermuda grass, alfalfa and timothy hays, as well as enrichment and training items (apples, carrots, sweet potatoes, and a small amount of leafy greens and vegetables). In 2009, one of the three male rhinoceroses showed a threefold increase in ferritin and concurrently exhibited clinical signs of lethargy, decreased appetite, and disinterest in training. The lone female showed a twofold increase; she also became reproductively acyclic in the prior year. The male was immobilized for examination and phlebotomy. During the same time period, a new version of the complete pelleted feed, with a reduced amount of iron, was introduced. Subsequent to the diet change, the male's ferritin le...Continue Reading

  • References16
  • Citations6

References

  • References16
  • Citations6

Citations

Mentioned in this Paper

Cynodon
Allergy Testing Bermuda Grass
Rhinoceros unicornis
Diet
Hemochromatosis
HP gene
Pellet Formation
Iron Metabolism Disorders
Malus domestica
Lethargy

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