Sections 10–601 through 10–608 and 10–626 of this subtitle do not apply to: customary and normal veterinary and agricultural husbandry practices including dehorning, castration, tail docking, and limit feeding; research conducted in accordance with protocols approved by an animal care and use committee, as required under the federal Animal Welfare Act or the federal Health Research Extension Act; an activity that may cause unavoidable physical pain to an animal if the person performing the activity uses the most humane method reasonably available, including: food processing; pest elimination; animal training; and any hunting or fishing activity completed in accordance with Title 4 or Title 10 of the Natural Resources Article or any regulations adopted under those titles; or normal human activities in which the infliction of pain to an animal is purely incidental and unavoidable.