life span


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life span

the length of life of an individual or the average length of life in a population or species.

life span

The maximum obtainable age of a member of a species.
See also: span

life span

average duration of life in animals of the species in average circumstances where special treatment to maintain life is not provided. Called also characteristic life span—commonest age of senile death.
Laboratory animals and small pets—gerbil 3-4 yrs; guinea pig 1-8 yrs; hamster 15 mths-2 yrs; mice 2-3 yrs; rabbit 5-6 yrs; rats 3-4 yrs.
Domestic pets—cat 18-20 yrs; dog small and medium size 15 yrs; large breeds 10 yrs.
Farm animals—cattle 9-11 yrs; sheep 5-6 yrs; goat 8-10 yrs; pig 8-10 yrs; domestic poultry 5-6 yrs; geese—no data but apparently much longer than other domestic birds; horse 25-30 yrs.
References in periodicals archive ?
Interaction of brand life span and the market life cycle: introduction; growth; maturity; decline; a series of tables provide clear guidance on strategies to adopt in each interactive stage.
Caption: In a new simulation, individuals with a finite life span (blue) win out over immortals (red) as they compete for resources (yellow).
In the yeast genetically modified by researchers to restore the chemical modification, life span extended to 38, an increase of about 50 percent.
Monkeys and humans live for such long periods of time that any attempt to determine whether a therapy can extend life span takes decades or more," said Dr.
ANIMAL AVERAGE LIFE SPAN IN YEARS Human 60-80 * Asian 70-75 Elephant Killer 50-70 Whale Hippopotamus 40-50 Rhinoceros 20-50 * Industrial and non-industrial nations combined SOURCE: THE USBORNE BOOK OF ANIMAL FACTS, SCHOLASTIC, INC.
Irish wolfhounds were found to have the shortest life span followed by Great Danes, then Dobermans.
LIFE SPAN labs customers are Web savvy and turn to the Internet for updates on the latest health information and products--and often have to find their way through a lot of clutter and inaccurate claims to find it," said Rod Tallman, CEO of LIFE SPAN labs.
Caloric restriction (CR) increases maximal life span in many species, in concert with improvements in mitochondrial function.
Tokyo, July 26 ( ANI ): Women in Japan have once again taken the top position in terms of women's average life span in 2012, a year after stepping down to the second spot behind Hong Kong, it was revealed on Thursday.
Specific topics include approaches to modeling intra-individual and inter-individual facets of change for developmental research, a developmental systems perspective on continuing and discontinuity in development, the sociocultural context of cognition, the impact of explanatory style and age stereotypes on health, close relationships, coping and self-regulation, life-span developmental behavior generics, and how neighborhoods matter across the life span.
The downside of the silk tree is its relatively short life span of 20 to 30 years.
This approach, which is designed to facilitate the career development of people across the life span, consists of administering at least five instruments that measure different dimensions of one's career development.