... ,and gestation stall for pig farming. The service life is 30 years.the comparison of BMC, cast iron, plastic, and floor slab ... injury to sow teat and pig skinBMC platehighgoodgoodgoodconvenienceno20-30 yearsgoodNot easy to damageIron platehighgoodgoodbadgeneralno20-30 yearsgoodeasy to damagePlastic platelowbadBad goodnono3-5 yearsgoodNot ...