1. Some diurnal rhythms in the activity of the fowl;Abdou;Arch. Geflügelkd.,1973
2. Feeding patterns and food selection of caged birds;Allen;Br. Vet. J.,1977
3. Eating behaviour of chicks to 4 weeks of age;Asahida;J. Fac. Fish. Anim. Husb., Hiroshima Univ.,1972
4. Effect of photoperiods on feed intake rhythms of domestic fowl;Ballard;Int. J. Biometeorol.,1975