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Article

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

by
Roxana Lazăr
1,
Paul-Corneliu Boișteanu
1,
Ioana Bolohan (Acornicesei)
1,*,
Bianca Maria Mădescu
1,
Mihaela Ivancia
1 and
Mircea Lazăr
2
1
Department of Control, Expertise and Services, Faculty of Food and Animal Sciences, “Ion Ionescu de la Brad” University of Life Sciences, 700489 Iasi, Romania
2
Department of Preclinics, Faculty of Veterinary Medicine, Iasi University of Life Sciences Ion Ionescu de la Brad, 700489 Iasi, Romania
*
Author to whom correspondence should be addressed.
J. Zool. Bot. Gard. 2025, 6(1), 3; https://doi.org/10.3390/jzbg6010003
Submission received: 26 November 2024 / Revised: 31 December 2024 / Accepted: 9 January 2025 / Published: 13 January 2025
Versions Notes

Abstract

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 Myocastor coypus 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 (103/µL) in males, 10.51 (103/µL) in females, and 11.63 (103/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.
Keywords: hematology; Myocastor coypus; nutria; serum biochemistry hematology; Myocastor coypus; nutria; serum biochemistry

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MDPI and ACS Style

Lazăr, R.; Boișteanu, P.-C.; Bolohan, I.; Mădescu, B.M.; Ivancia, M.; Lazăr, M. Hematological and Biochemical Profiles of Nutria (Myocastor coypus): Implications for Biodiversity Management and Household Rearing Practices. J. Zool. Bot. Gard. 2025, 6, 3. https://doi.org/10.3390/jzbg6010003

AMA Style

Lazăr R, Boișteanu P-C, Bolohan I, Mădescu BM, Ivancia M, Lazăr M. Hematological and Biochemical Profiles of Nutria (Myocastor coypus): Implications for Biodiversity Management and Household Rearing Practices. Journal of Zoological and Botanical Gardens. 2025; 6(1):3. https://doi.org/10.3390/jzbg6010003

Chicago/Turabian Style

Lazăr, Roxana, Paul-Corneliu Boișteanu, Ioana Bolohan (Acornicesei), Bianca Maria Mădescu, Mihaela Ivancia, and Mircea Lazăr. 2025. "Hematological and Biochemical Profiles of Nutria (Myocastor coypus): Implications for Biodiversity Management and Household Rearing Practices" Journal of Zoological and Botanical Gardens 6, no. 1: 3. https://doi.org/10.3390/jzbg6010003

APA Style

Lazăr, R., Boișteanu, P.-C., Bolohan, I., Mădescu, B. M., Ivancia, M., & Lazăr, M. (2025). Hematological and Biochemical Profiles of Nutria (Myocastor coypus): Implications for Biodiversity Management and Household Rearing Practices. Journal of Zoological and Botanical Gardens, 6(1), 3. https://doi.org/10.3390/jzbg6010003

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