Abstract
Abstract This study aimed to investigate the effects of large furnished cages (LFCs) or small furnished cages (SFCs) on behavior and tibia bone of laying hens. Three hundred and sixty Hyline brown hens at 16 weeks of age were allocated into 3 treatments with 6 replicates: LFCs, SFCs, and conventional cages (CCs). The experiment was started at 18 weeks of age and finished at 34 weeks of age. The behaviors of focal animals were observed during 3 periods of 08:00-10:00, 13:00-14:00, and 16:00-17:00 on Wednesday in 20th, 24th, 28th, and 32nd week of age. Tibia bones were sampled and measured for tibia weight, length, density, and strength were measured. The results showed that walking behavior of LFC hens was significantly higher ( P P P P P P = 0.20). Tibia strength of the hens in LFC and SFC was significantly greater than CC ( P P P = 0.53 and P = 0.33). The use of perches by the LFC hens was significantly higher than for the SFC hens ( P
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