The definition and abbreviation for Potentially Hazardous Food (Time/Temperature Control for Safety Food) or PHF/TCS should be modified to drop the reference to potentially hazardous food and PHF.
Yes, as a treat apples are fine for chickens. Some will say it is best not to feed them too many apples as the seed of an apple has a small amount of arsenic in it.
MYTH: Chickens should not eat avocados. FACT: Chickens can eat the flesh of avocado in moderation. However, avocado pits and skin contain persin, which can be toxic in significant quantities. Don't worry about sharing your turkey and avocado paninni or guac dip with your feathered friends.