I think scratch n peck has fish meal. It's not available everywhere unless shipped though which can make it really expensive.
Pardon me, welcome to BYC! Adding location to your profile is useful over and over!
Why not feed the el cheapo layer feed and supplement it with either pig chow
(check the ingredient list for meat, milk, raw tankage, fish meal, or blood and bone meal)
A good dry kibble dog food will work, check the list of ingredients? Calf Manna is also a very-very good source of protein. When feeding Calf Manna a little dab'll do you. Say between a teaspoon and a tablespoon full per bird per day. When the proverbial farm-wife first got into egg farming in a big way starting about 1900 dehydrated buttermilk was the baby chicken feed of choice. I think that there are some magazines from that era in digital format at the University of Minnesota school of agriculture. I have read them but I foolishly expected them to stay available instead of downloading them to disc on my PC. Technology is not our friend.