Mongin, P Food intake and oviposition by domestic fowl under symmetric skeleton photoperiods. [electronic resource] - British poultry science Sep 1980 - 389-94 p. digital Publication Type: Journal Article ISSN: 0007-1668 Standard No.: 10.1080/00071668008416686 doi Subjects--Topical Terms: AnimalsChickens--physiologyEatingFemaleLightOvipositionPeriodicity