AnAge entry for Microtus ochrogaster

Classification (HAGRID: 03336)
Taxonomy	Kingdom: Animalia Phylum: Chordata Class: Mammalia (Taxon entry) Order: Rodentia Family: Muridae Genus: Microtus
Species	Microtus ochrogaster
Common name	Prairie vole
Synonyms	Hypudaeus ochrogaster, Microtus ludovicianus, Arvicola austerus
Lifespan, ageing, and relevant traits
Maximum longevity	5.3 years (captivity)
Source	ref. 671
Sample size	small
Data quality	acceptable
Observations	In the wild, these animals probably live less than a year [0617]. One wild born specimen was about 5.3 years old when it died in captivity [0671].
Life history traits (averages)
Female sexual maturity	47 days
Male sexual maturity
Gestation	23 days
Weaning	20 days
Litter size	3.8 (viviparous)
Litters per year	4
Inter-litter interval	26 days
Weight at birth	3.02 g
Weight at weaning	16.7 g
Adult weight	40 g
Postnatal growth rate	0.0666 days^-1 (from Gompertz function)
Maximum longevity residual	61 %
Metabolism
Typical body temperature	311ºK or 37.9ºC or 100.2ºF
Basal metabolic rate	0.4100 W
Body mass	48.2 g
Metabolic rate per body mass	0.008506 W/g
References
[0817] Bielby et al. (2007), The fast-slow continuum in mammalian life history: an empirical reevaluation, PubMed [0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World [0036] Savage et al. (2004), The predominance of quarter-power scaling in biology [0420] White and Seymour (2003), Mammalian basal metabolic rate is proportional to body mass2/3, PubMed [0610] Ernest (2003), Life history characteristics of placental non-volant mammals [0434] Ronald Nowak (1999), Walker's Mammals of the World [0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data [0617] Stalling (1990), Microtus ochrogaster [0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction [0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves
External resources
Integrated Taxonomic Information System	ITIS 180312
Animal Diversity Web	ADW account
Encyclopedia of Life	Search EOL
Genome Project	Search NCBI
Entrez	Search all databases Entrez Taxonomy search
Ageing literature	Search Google Scholar Search PubMed Search Scirus
Images	Google Image search
Internet	Search Google

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