The ordinance has been amended to control the use of veterinary chemicals as a result of food poisoning cases associated with the intake of pork or offal contaminated by beta-agonists.

• 针对多宗市民因进食受乙种促效剂污染的猪肉及内脏而引发的食物中毒个案，政府修改了上述条例，以管制禽畜化学品的使用。