Girls having so many cocks

Columella [87] advises farmers to slaughter hens that are older than three years, those that aren't productive or are poor care-takers of their eggs, and particularly those that eat their own and other hens' eggs. According to the Worldwatch Institute74 percent of the world's poultry meat and 68 percent of eggs are produced this way. Mushy chick disease [60]. Araucanas, some of which are tailless and some of which have tufts of feathers around their ears, lay blue-green eggs. Breeding increased under the Roman Empireand was reduced in the Middle Ages. Older eggs require increased ventilation. Hens are then said to "go broody ". The Journal of Egyptian Archaeology.