Document Detail

Cholesterol values in free-ranging gorillas (Gorilla gorilla gorilla and Gorilla beringei) and Bornean orangutans (Pongo pygmaeus).
MedLine Citation:
PMID:  17319127     Owner:  NLM     Status:  MEDLINE    
Cholesterol concentrations in captive gorillas and orangutans vary widely within species and average approximately 244 mg/dl for gorillas and 169 mg/dl for orangutans as published previously. The International Species Inventory System reports higher concentrations of 275 and 199 mg/dl for gorillas and orangutans, respectively. It is unknown whether these values were typical, influenced by captive management, or both. To answer this question, banked serum samples from free-ranging mountain gorillas (Gorilla beringei), western lowland gorillas (Gorilla gorilla gorilla), and Bornean orangutans (Pongo pygmaeus) were analyzed for total cholesterol, triglyceride, high-density lipoprotein cholesterol, and low-density lipoprotein cholesterol concentrations. Mountain gorillas did not differ significantly from free-ranging western lowland gorillas in cholesterol, triglyceride, high-density lipoprotein cholesterol, or low-density lipoprotein cholesterol concentrations, indicating mountain gorilla values could be a model for western lowland gorillas. Captive gorilla total cholesterol and low-density lipoprotein cholesterol concentrations were significantly higher (P < 0.05) than in free-ranging groups. Triglyceride concentrations for captive gorillas were significantly higher (P < 0.05) than the male mountain and western lowland gorillas, but they were not significantly different from the female mountain gorillas. Captive orangutan total cholesterol concentrations were only higher (P < 0.05) than the free-ranging female orangutans, whereas captive orangutan low-density lipoprotein cholesterol concentrations were significantly higher (P < 0.05) than both free-ranging male and female orangutans. Calculated and measured low-density lipoprotein cholesterol concentrations were compared for all free-ranging animals and were significantly different (P < 0.05) for all groups, indicating Friedewald's equation for calculating low-density lipoprotein cholesterol is not appropriate for use with nonfasted apes. The higher total cholesterol and low-density lipoprotein cholesterol concentrations in captive apes may predispose them to cardiovascular disease and might be attributed to diets, limited energy expenditure, and genetics.
Debra A Schmidt; Mark R Ellersieck; Michael R Cranfield; William B Karesh
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians     Volume:  37     ISSN:  1042-7260     ISO Abbreviation:  J. Zoo Wildl. Med.     Publication Date:  2006 Sep 
Date Detail:
Created Date:  2007-02-26     Completed Date:  2007-03-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8915208     Medline TA:  J Zoo Wildl Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  292-300     Citation Subset:  IM    
Lincoln Park Zoo, Chicago, Illinois 60614, USA.
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MeSH Terms
Animal Feed
Animals, Wild / blood
Animals, Zoo / blood
Ape Diseases / blood*,  epidemiology
Cardiovascular Diseases / blood,  epidemiology,  veterinary*
Cholesterol / blood*
Cholesterol, HDL / blood
Cholesterol, LDL / blood
Gorilla gorilla / blood*
Pongo pygmaeus / blood*
Reference Values
Risk Factors
Sex Factors
Species Specificity
Triglycerides / blood
Reg. No./Substance:
0/Cholesterol, HDL; 0/Cholesterol, LDL; 0/Triglycerides; 57-88-5/Cholesterol

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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