Caribbean iguanas, including the Ricord's iguana (Cyclura ricordii) are ranked as critically endangered on the International Union of the Conservation of Nature (IUCN) Red List. The taxon is endemic to Hispaniola, where it inhabits xeric lowlands and is found in a very limited range in two subpopulations in the southwestern area of the island. The goals of this study were to obtain and analyze plasma biochemical and intestinal microbiological data from Ricord's iguanas in the subpopulation of the Neiba Valley, on Cabritos Island National Park, Dominican Republic, and to establish biochemical reference intervals. A total of 23 blood samples from clinically healthy iguanas (16 males, 7 females) and 14 fecal samples from clinically healthy iguanas were analyzed. Adult female iguanas had higher concentrations of cholesterol, phosphorus, triglycerides, urea, uric acid, and aspartate transaminase activity compared with male iguanas, although the difference was not statistically significant. Seventeen bacterial isolates were obtained, including: Salmonella sp. (serogroup B; serogroup D negative) Escherichia coli, Brevibacterium sp., Enterobacter cloacae, and Enterococcus durans. These data will help contribute to the management and recovery of Ricord's iguana populations.
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Vol. 38 • No. 3