In his book Diet for a New America, Robbins explains that mother hens don't lead broods of chicks around the barnyard looking for worms anymore. Today's chickens are all raised in narrow cages.
羅彬斯在《新世紀飲食》一書中描述：鄉間母雞帶小雞四處覓蟲吃的情景已不復見，現在的雞都畜養在狹小的籠子裡。