The provisions of this chapter shall not apply to (1) any person, association, copartnership or corporation which by dispersal sale is permanently discontinuing the activities or business of a livestock producer; (2) any person, association, copartnership or corporation which sells livestock that have been raised on the premises of such person, association, copartnership or corporation; (3) any livestock producer who purchases or receives livestock for the purpose of producing milk, meat or other animal products or improving such livestock producer’s own herd or flock; (4) any butcher, packer or processor to whom livestock are delivered which are used exclusively for immediate slaughter; (5) any farmer who buys or receives livestock for grazing and feeding and sells or disposes of such livestock after a feeding or grazing period of not less than sixty days; (6) any railroad; (7) any youth project or organization keeping, feeding, breeding, growing, showing or raising livestock; or (8) any person who does not buy, receive, sell, exchange, solicit or negotiate the sale, resale, exchange or shipment of livestock in the aggregate of more than ten head in any one license year.