calf hutch: 1.material:hot dip galvanzing pipe 2.calf hutch is easy to install ,light weight 3.15 years usage cow farming equipment :1.easy to install. light weight.2. Calf resistance is weak,breast-feeding until weaning calf feeding a single column, avoid calf disease transmit each other , reduce morbidity and improve survival, to ensure that calves will be anti-growth calf hutch