How can I tell the age of A chicken ? Also What can I feed or not feed Chickens?
you can't really tell the age of a chicken, but like I wrote above, there are signs to determine how mature they are.
Their habits/attitude, size, facial redness (very pink or red if sexually mature) comb/wattle size and colouration (depending on what breed it is) quality and regularity of egg production.
You can feed chickens pretty much anything, in that, not much is POISONOUS to them. But things best to stay away from are:
High in fat, sugar or salt foods: chips, fries, processed meat, desserts/pudding leftovers, other sweets...HIGH SUGAR OR SALT IS LETHAL TO CHICKS
Raw meat or big quantities of cooked meat (as this can be high in bacteria and can get stuck or begin to rot in their crop or gut)
Meat/fish with broken or fine bones in (obvious choking hazard)
Chocolate is not good
ANYTHING REALLY THAT ISN'T PARTICULARLY HEALTHY TO A HUMAN IS NOT IDEAL FOR YOUR CHICKENS...
Awesome food for chickens:
Layer pellet designed for the chickens you have, which has all that they need to lay eggs and not put nutritional strain on their bodies, e.g calcium for making the shells.
Vegetable scraps such as carrots, peas/beans, cabbage, broccoli, tomatoes, GRASS CUTTINGS, my chickens love very mushy bruised bananas (THEY WON'T TOUCH CITRUS OR RAW POTATO) cooked veg scraps incl potato, cooked rice (as long as it's totally absorbed all the water) chopped up cooked egg (remove shell to discourage association with food and their own eggs).
Wholemeal or seeded bread they LOVE, avoid white bread in large amounts.
They love seeds, nuts, cereals, meal worms, woodlice, earth worms, slugs...(they don't eat the outside of slimy slugs but will pierce and eat insides
)
Tinned tuna, other fresh oily fish is brilliant for them, but make sure all bones have been removed.
A couple tsp of cider vinegar in their water bowl changes the acidity in their gut and keeps internal worms at bay.
A part from that, lots of kisses and cuddles, chatting and tasty rewards

All the best.x