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.
Classen
H L
HL
University of Saskatchewan, Saskatoon, SK, S7N 5A8, Canada.
Annett
C B
CB
Schwean-Lardner
K V
KV
Gonda
R
R
Derow
D
D
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