It is hereby declared to be the public policy of the State of Mississippi, acting through its legislature, to control and regulate the transportation over the highways of this state and the disposal of poultry by-products, slaughter house offal and wastes, and meat processing plant bones, meat scraps, fats, and all otherwise inedible meats and meat products, and the carcasses of dead animals, not slaughtered and intended for human food, to the end that the spread of poultry and animal diseases in this state shall be controlled and also that the public health and welfare of the citizens of this state shall be conserved and protected against dangers, annoyances and nuisances that might arise from such poultry by-products and carcasses or from such transportation and disposal thereof, if the same be not regulated by law. This chapter is designed to effectuate such purposes and public policy, through the exercise of the police powers of the state. This chapter shall be liberally construed to effect such policy and to promote such objects.