Not all sources give four hours as the guideline for priapism occurring: The duration time of a normal erection before it is classifiable as priapism is still controversial. Ongoing penile erections for more than 6 hours can be classified as priapism..
Guinness World Records (London, England) Considering that the average lifespan of a chicken is generally no more than seven to eight years, Keith and Donna contacted Guinness World Records on July 30, 2001, to make them aware that Matilda was eleven years old and still in excellent health.
Commercial egg producers cull layers (called battery hens) when they're one to three years old. Meat birds are slaughtered at six to eight weeks. Backyard flocks see hens living more than five years, with a few living to eight or more years. The oldest recorded hen lived to a ripe old age of 16.y the time your hen reaches three years old, her egg output has dropped to 65 percent of her maximum laying ability. This declines rapidly to where if your hen lives to 10 years old, she will only lay 20 percent of the maximum egg output of her first year.