title: The effects of lighting programmes with twelve hours of darkness per day provided in one, six or twelve hour intervals on the productivity and health of broiler chickens.
authors.affiliation: University of Saskatchewan, Saskatoon, SK, S7N 5A8, Canada.
authors.forename: H L
authors.initials: HL
authors.lastname: Classen
authors.forename: C B
authors.initials: CB
authors.lastname: Annett
authors.forename: K V
authors.initials: KV
authors.lastname: Schwean-Lardner
authors.forename: R
authors.initials: R
authors.lastname: Gonda
authors.forename: D
authors.initials: D
authors.lastname: Derow
mesh_terms: D000822:Animal Husbandry / Q000379:methods*; D000818:Animals; D001835:Body Weight / Q000502:physiology*; D002645:Chickens / Q000254:growth & development / Q000502:physiology*; D004435:Eating / Q000502:physiology; D005260:Female; D005684:Gait / Q000502:physiology; D008297:Male; D017440:Photoperiod