Environmental effects on a parthenogenetic line of chickens.
D000818:Animals; D002645:Chickens / Q000502:physiology*; D004777:Environment; D004781:Environmental Exposure; D005260:Female; D007185:Incubators; D008029:Lighting; D010312:Parthenogenesis; D012621:Seasons; D012641:Selection, Genetic; D013696:Temperature; D013997:Time Factors