Hematologic and Biochemical Values of the Juvenile Eastern Gray Squirrel (Sciurus Carolinensis)

Ratliff, Cameron; Kingsley, Lyndsey; Kusmierczyk, James; Gentry, Jordan; Russell, Karen E.; Heatley, J. Jill

doi:10.1638/2018-0106

Cited by 3 publications

(1 citation statement)

References 33 publications

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“…They have been established for most species and in some cases even breeds [7][8][9][10]. Recently, reference values are being established for more and more wildlife species [11][12][13][14]. Blood tests can provide crucial information on the health status of endangered wildlife species and therefore can support conservation measures [15].…”

Section: Introductionmentioning

confidence: 99%

Determination of hematological and biochemical values blood parameters for European bison (Bison bonasus)

Didkowska,

Klich,

Anusz

et al. 2024

PLoS ONE

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Hematological and biochemical blood parameters are important tools for evaluating animals’ health. They might be crucial in assessing the health of entire populations of wild animals, such as European bison (Bison bonasus). The aim of this study was to establish hematological and biochemical values for healthy European bison and to determine whether there were significant relations with age and sex. Blood samples were collected from 79 animals and tested according to generally accepted standards and the results were subjected to statistical analysis. Most of the age and gender-related correlations found in our study were predictable based on previous reports. Due to bone growth, juvenile animals have typically higher ALP and P concentrations relative to adults. Several age-related dependencies were surprising, like higher Na concentration in younger European bison. Determination of hematological and biochemical blood parameters of healthy European bison may significantly contribute to the further restitution of this endangered species.

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Section: Introductionmentioning

confidence: 99%

Determination of hematological and biochemical values blood parameters for European bison (Bison bonasus)

Didkowska,

Klich,

Anusz

et al. 2024

PLoS ONE

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Reference intervals for hematological variables in wild Eastern grey squirrels (Sciurus carolinensis)

Romeo

D’Alessandro

Bielli³

et al. 2021

Eur J Wildl Res

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The eastern gray squirrel (Sciurus carolinensis) is a North American tree squirrel species which has been introduced to several countries outside its native range. We made use of squirrels culled in Italy within control activities to establish hematological reference intervals for this invasive species, with the aim to broaden the current knowledge about its physiology. Blood from 104 individuals was analysed through a laser analyzer. Manual leukocyte differential counts on blood films were performed on a subset of 52 animals for validation of the automated counts, resulting in a good agreement between the two methods. Reference intervals and the 90% confidence interval of their limits were estimated for 19 hematological parameters, partitioning by sex when statistically significant differences were detected. For most variables, our results were comparable with the few data available on the grey squirrel and on related species. This study gathered valuable reference information for studies aimed at disclosing the mechanisms underlying grey squirrels' invasiveness and for future research on tree squirrels physiology.

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Urban eastern gray squirrels (sciurus carolinensis) show little seasonal variation in biochemical and hematological parameters

Rimbach,

Petritz,

Balko

et al. 2024

Urban Ecosyst

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Urban wildlife faces unique physiological and behavioral challenges compared to conspecifics which live in less altered natural habitats. Animals in urban habitats are also exposed to urban stressors and commonly make use of inappropriate food sources from trash bins and dumpsters, which may affect their heath status. The goals of this study were to evaluate overall health of an urban population of eastern gray squirrels (Sciurus carolinensis) and to assess seasonal changes in several health parameters. Squirrels (N = 45) were trapped in Durham, North Carolina, USA and briefly anesthetized with inhalant anesthetic for physical examination, body mass collection, and venipuncture via the femoral vein. Collected blood was analyzed for several health parameters via hematology and biochemistry analyses including assessment of lipids and kidney and liver values. Physical examinations were clinically unremarkable and similar across seasons. Females had higher cholesterol values and lower creatinine values compared to males. Seasonal differences occurred in few parameters and were detected only between summer and either fall or spring. Potassium and monocytes were higher in summer compared to spring, and creatinine, BUN and monocytes were higher in summer compared to fall. Overall, health parameters of urban eastern gray squirrels fell within published reference ranges for the species. Together, these results suggest that urban squirrels in this study population can maintain good health in an anthropogenic habitat.

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Hematologic and Biochemical Values of the Juvenile Eastern Gray Squirrel (Sciurus Carolinensis)

Cited by 3 publications

References 33 publications

Determination of hematological and biochemical values blood parameters for European bison (Bison bonasus)

Determination of hematological and biochemical values blood parameters for European bison (Bison bonasus)

Reference intervals for hematological variables in wild Eastern grey squirrels (Sciurus carolinensis)

Urban eastern gray squirrels (sciurus carolinensis) show little seasonal variation in biochemical and hematological parameters

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