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Baseline blood chemistry determinations in the squirrel monkey (SAimiri sciureus).
Laboratory Animal Science
|April 1, 1979
Summary
Squirrel monkey (Saimiri sciureus) blood chemistry varies significantly based on whether they are colony-bred or wild-caught. Factors like origin, sex, and iodine intake also impact these chemical profiles.
Area of Science:
- Primate hematology
- Comparative biochemistry
- Veterinary diagnostics
Background:
- Squirrel monkeys (Saimiri sciureus) are important models in biomedical research.
- Understanding their normal physiological parameters is crucial for accurate interpretation of experimental results.
- Variations in serum chemistry can be influenced by numerous factors, including environment and genetics.
Purpose of the Study:
- To analyze 15 serum chemical constituents in squirrel monkeys.
- To determine the statistical significance of variations based on colony-bred status, karyotype, vendor, sex, and iodine supplementation.
- To establish baseline biochemical profiles for different squirrel monkey populations.
Main Methods:
- Serum samples from 129 squirrel monkeys were analyzed for 15 chemical constituents.
- Statistical analysis was performed to compare values across different groups (colony-bred vs. noncolony-bred, karyotype, vendor, sex, iodine supplementation).
- Specific analytes investigated included calcium, phosphorous, albumin, uric acid, BUN, glucose, ALP, potassium, cholesterol, total protein, chloride, bilirubin, LDH, SGOT, and sodium.
Main Results:
- Colony-bred monkeys showed higher levels of calcium, inorganic phosphorus, albumin, uric acid, BUN, glucose, ALP, and potassium compared to noncolony-bred.
- Noncolony-bred monkeys exhibited higher cholesterol, total protein, and chloride levels.
- Karyotype influenced total protein and chloride in noncolony-bred monkeys (Peru vs. Guyana).
- Colombian monkeys had lower total protein and higher LDH than Peruvian.
- Noncolony-bred males had higher calcium and ALP than females.
- Iodine supplementation increased total bilirubin and calcium.
Conclusions:
- Squirrel monkey serum chemistry is significantly influenced by their origin (colony-bred vs. wild-caught) and geographic origin.
- Sex and dietary iodine supplementation also play a role in specific biochemical markers.
- These findings highlight the importance of considering these variables when interpreting serum chemistry data in Saimiri sciureus research.