The ISA Brown chicken breed is one of the most recent breeds of chicken to be introduced in the family of poultry. Within the relatively short duration that it’s been in existence, it’s become one of the most popular breeds among poultry farmers. The most outstanding traits of this bird are its ability to lay nice looking eggs in large numbers and the ability to fit in the family environment. They are medium in size, docile, affectionate, and generally, have a great personality. Let’s take a look at the historical background, temperament, ability to lay eggs as well as whether they are suited the backyard or not.