Environmental, Age, and Sex Effects on Cotton Rat (Sigmodon Hispidus) Hematology

We determined the effects of sex, age, and environment (inbred, captive-wild, and wild animals) on selected blood parameters of the cotton rat (Sigmodon hispidus) in central Oklahoma (USA) from 1990 to 1994. Male and female cotton rats had similar blood profiles. Age-related differences were confine...

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Bibliographic Details
Published inJournal of wildlife diseases Vol. 32; no. 2; pp. 390 - 394
Main Authors Robel, G. L., Lochmiller, R. L., McMurry, S. T., Qualls, C. W.
Format Journal Article
LanguageEnglish
Published United States Wildlife Disease Association 01.04.1996
Wildlife Dis Assoc
Subjects
Aging - blood
Animals
Animals, Inbred Strains - blood
Animals, Laboratory - blood
Animals, Wild - blood
Blood Cell Count - veterinary
Cotton rat
environmental effects
Erythrocyte Indices - veterinary
Female
Hematocrit - veterinary
hematology
Hemoglobins - analysis
Male
Oklahoma
Reference Values
Sex Characteristics
SHORT COMMUNICATIONS
Sigmodon hispidus
Sigmodontinae - blood
Oklahoma
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Summary:We determined the effects of sex, age, and environment (inbred, captive-wild, and wild animals) on selected blood parameters of the cotton rat (Sigmodon hispidus) in central Oklahoma (USA) from 1990 to 1994. Male and female cotton rats had similar blood profiles. Age-related differences were confined to differential white blood cell counts where adults possessed greater numbers of neutrophils and lower numbers of lymphocytes compared to juveniles. Environment had a strong influence on many hematological parameters. Hematocrit, hemoglobin concentration, RBC count, and eosinophil number were generally greater for wild stocks compared to inbred animals, and differences were more pronounced for adults than juveniles.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0090-3558
1943-3700
DOI:10.7589/0090-3558-32.2.390