By Broilers, the meat industry refers to varieties of chickens developed especially for meat production. That is, they are highly efficient animals in transforming feed into body weight, developing much faster than other poultry varieties traditionally selected for «dual purpose» (meat + eggs).
Today, chicken is one of the most widely enjoyed animals around the globe. The average consumption of chicken in Spanish households was, in 2018, 6.34 million tons, of which we were producers of 1.41 million tons. The following video (unfortunately without Spanish translation) is a fascinating short documentary film from 1948 about the advances of the time in chicken farming.