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SUMMARY

  • 1
    Life tables and survival curves have been constructed from kennel records of 189 Irish wolfhounds.
  • 2
    The maximum recorded ages in months were males 126, females 161, and the mean ages at death of animals surviving to one year were: males 495±0–94 years and females 6–59±0–95 years.
  • 3
    The viability of bitches was higher at all ages than that of dogs. There was a particularly heavy mortality of dogs in the third year of life.
  • 4
    The influence of large size and of inbreeding depression on the longevity of the breed is discussed.