life expectancy of chimpanzee in captivity

based on incremental lines in teeth, tooth condition 9, pulp/tooth area ratios 10, and skeleton ossification 11, 12), many species have no external features that allow age to be estimated reliably in a noninvasive manner. Although many methods have been reported for age estimation of animals (e.g. Therefore, being able to estimate individual age is essential to understanding the life history of animals. Animal age is a significant factor in the animal population as age distribution within a population can significantly influence maintenance of the population. reproductive traits 1, 2, 3, 4, 5 and mortality 6, 7, 8). Although larger MADs were observed in chimpanzees than in humans based on these genes, the results indicate the feasibility of estimating chimpanzee age using DNA methylation, and can have implications in understanding the ecology of chimpanzees and chimpanzee conservation.Īge is critical information to know about an animal because various biological characteristics change with aging, including those affecting biological status of animals (e.g. In the regression equation using only ELOVL2, the highest correlation coefficient was 0.741, with a mean absolute deviation (MAD) of 5.41, compared with the combination of ELOVL2 and CCDC102B, where the highest correlation coefficient was 0.742 and the MAD was 5.41.

Age and methylation of sites in ELOVL2 and CCDC102B were significantly correlated and an age prediction model was created using these genes. Pyrosequencing was used to measure methylation in 20 chimpanzee blood samples and correlation between age and methylation status was calculated. In the present study, a chimpanzee ( Pan troglodytes) age prediction model was developed based on the ELOVL2, CCDC102B, and ZNF423 genes that may also have application in human age prediction. These studies were predominantly on humans with few reports on other animals, especially wild animals. Recently, epigenetics-based methods of estimating age have been reported. However, estimating the age is difficult for many species.

In wild animal conservation, knowing the age of an individual animal is extremely beneficial.

Life expectancy of chimpanzee in captivity