macth columm A to columm B.write the letter of your answer on the space provided before each number. A.columm 1.an animal selected for the purpose of propagate on. 2.a resistance to decay. 3.a materials used to cover floor space. 4.a place where birds are confined mortality rate - death rate in birds. 5. one of the factors in constructing poultry house. B.columm A.cage B.litter C.durability D.breeder E.size of operation F.shed