urina? Layena?+ Omega-3 feed includes all 38 nutrients hens need with added omega-3. With Layena?+ Omega-3 feed, hens can produce eggs with more omega-3 fatty acids than store-bought eggs.2 Purina? Layena?+ Omega-3 pellets are a complete feed for laying hens 18 weeks and older to support optimal hen health and consistent egg production with added omega-3 fatty acids. Purina? Layena?+ Omega-3 includes the Oyster Strong? System for strong shells.