Initial and resultant population densities in chickens between brooding and sexual maturity.
Seven flocks of chickens were raised in groups from weeks 5 to 9 after hatching. Initially the groups had the same number of chickens but they di0ered in population density. The number of birds that survived to week 9 was strongly related to the initial population density.
D000818:Animals; D001522:Behavior, Animal; D011153:Population; D011200:Poultry