Secondly, hormones should not be equated with toxins, right, organisms will also generate their own, so the hormone content in the liver should not be very high, but other toxins may be higher, so it is still recommended to eat less chicken liver.
Thirdly, normal growing broiler chickens are vaccinated, but with both eye drops and injections, and even if they are injected in the wing, they will quickly spread throughout the body and not remain in the wing; just like a person with a high fever who gets an IV or intramuscular injection in the arm or... It's just an entrance, and after a few days it won't make any difference.
... It still feels like chicken wings are the best...