... . service life of the cage is 15 years 2, chicken no mortality in ... can reach 12 years. Scientific design for the chicken cage can ease the fatigue degree of the chicken, increase ... space arrangement, Make accident mortality of chicken in the cage is zero, damage rate of eggs is zero.3. ... High compressive capacity: adults can walk random on the cage 4.3MM U type steel galvanized shelf, international 3MM ...