(3) By-products of the food processing industry and plant or animal products, when sold in bulk quantities of at least 20 kg (44 lbs) or in bags that contain at least 20 kg (44 lbs), that are ordinarily used as feed, or as ingredients in feed, for farm livestock, fish or poultry described in subparagraph (2)(c)(i) or for rabbits, ostriches, rheas, emus or bees.