Hematologic Adaptation To The Subterranean Environment By The Naked Mole-Rat, Heterocephalus Glaber (Ctenohystrica: Heterocephalidae)

JOURNAL OF MAMMALOGY(2020)

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Abstract
One method burrowing animals are hypothesized to use in adapting to the presumed hypoxic subterranean environment is increasing the oxygen-carrying capacity of blood. A number of recent studies have examined hematologic parameters in laboratory-reared naked mole-rats, but not in animals living under natural atmospheric conditions. To our knowledge, blood chemistry parameters have never been systematically assessed in a fossorial mammal. In this study we examined the blood of wild naked mole-rats in Kenya and Ethiopia to determine whether their blood chemistry differs significantly from naked mole-rats born and living in captivity. We also compared our results to published values for hystricomorphs, other subterranean rodents, and surface-dwelling rodents of similar size.
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Key words
Bathyergidae, blood chemistry, blood count, comparative, ecophysiology, fossorial, hematocrit, hematology, hypercapnia, underground
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