The document discusses different housing and equipment systems for rearing chickens, including extensive free range, organic certified semi-intensive, intensive cage systems using individual, group or colony cages, and deep litter and slat flooring systems. It also describes controlled environment houses and their advantages like improved feed conversion, better quality meat, increased productivity and health of chickens with reduced mortality. Various equipment for brooding, feeding, watering, vaccination, counting eggs and chicks, transportation and processing are also listed.