All hay, straw, fodder, and other material for animal or poultry feed shall be subject to fumigation or other approved treatment at the expense of the consignee at the port of entry when, in the opinion of the director of agriculture, it is necessary to prevent entry of injurious or undesirable insect pests.History: Ex. Ord. 1, eff Jan 55, Plants and Animal Quar. Regs. Part 4 § 6.