HI THERE A GOOD TIP ON 8 TO 9 WEEK OLD CHICKS AND CHICKENS EVERY 2 TO 4 WEEKS DEPENDING ON SIZE GO TO YOUR LOCAL FISHING SHOP AND BUY MAGGOTTS HALF A PINT TO EVERY 5 CHICKENS YOU WILL SEE THE DIFFERENT IN EGG LAYING HEATHLEY BIRDS IVE BEEN DOING IT FOR 5 YEARS NOW