Hematological and Biochemical Profiles of Nutria (<i>Myocastor coypus</i>): Implications for Biodiversity Management and Household Rearing Practices

The absence of standardized reference values for wild rodent species underscores the need for comprehensive hematological and biochemical profiles. This study established robust reference intervals (RIs) for <i>Myocastor coypus</i> raised in captivity, analyzing 30 nutrias (10 males, 10...

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Main Authors: Roxana Lazăr, Paul-Corneliu Boișteanu, Ioana Bolohan (Acornicesei), Bianca Maria Mădescu, Mihaela Ivancia, Mircea Lazăr
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Journal of Zoological and Botanical Gardens
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Online Access:https://www.mdpi.com/2673-5636/6/1/3
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Summary:The absence of standardized reference values for wild rodent species underscores the need for comprehensive hematological and biochemical profiles. This study established robust reference intervals (RIs) for <i>Myocastor coypus</i> raised in captivity, analyzing 30 nutrias (10 males, 10 females, and 10 juveniles) at a private farm in northeastern Romania. Leukocyte (WBC) counts averaged 11.85 (10<sup>3</sup>/µL) in males, 10.51 (10<sup>3</sup>/µL) in females, and 11.63 (10<sup>3</sup>/µL) in juveniles, indicating a consistent immune response. Hemoglobin was 11.81 g/dL in males, 11.97 g/dL in females, and 15.42 g/dL in juveniles, with hematocrit levels around 45%. Juveniles displayed higher MCH (38.59 pg) and MCHC (38.58 g/dL), reflecting growth-related adaptations. Platelet counts were lower in adults. Biochemical findings showed lower cholesterol (14.89 mg/dL) and higher glucose (236.26 mg/dL) in juveniles, indicating intense energy metabolism. Total proteins were significantly elevated in juveniles (33.17 g/dL). Creatinine and uric acid levels were higher in adults, although calcium exceeded reference ranges in males (12.04 mg/dL). Hepatic enzyme ALT was higher in males. These findings establish baseline health parameters for captive nutrias, aiding in monitoring and improving rearing practices.
ISSN:2673-5636