... , span:2m,height:1.6m 12 cages on each tier ,4chickens per nestchicken cage (chicken equipment)1.wire dia:2.5-3mm ... . modle: 1.88m,1.95m,2m,2.15m,2.44m5. chicken cages load chickens No: 90-216chickens6. one sets include cage, legs ... 6 years 6 Science cage design 7 Effective to reduce the fatigue of chicken in the cage 8 reasonable space layout chicken cages size