The Legislature may pass laws for the regulation of live stock and the protection of stock raisers in the stock raising portion of the State, and exempt from the operation of such laws other portions, sections, or counties; and shall have power to pass general and special laws for the inspection of cattle, stock and hides and for the regulation of brands; provided, that any local law thus passed shall be submitted to the qualified voters of the section to be affected thereby, and approved by them, before it shall go into effect.