Production hybrids are bred to spit eggs out the chute for one to two laying cycles. Your birds are reaching the end of the second cycle. So, you are getting exactly what the breed is noted for. They are generally replaced before egg quality becomes an issue. I suggest that when you replace them, you get some heritage breeds.
But, in the mean time, you might try giving them extra calcium, boosting protein to 18%, and putting them on multi vitamins. If you are giving them scratch, stop! Also, fermenting their feed will make a huge difference.
But, in the mean time, you might try giving them extra calcium, boosting protein to 18%, and putting them on multi vitamins. If you are giving them scratch, stop! Also, fermenting their feed will make a huge difference.