Individual and Combined Effects of Black Cumin Seeds and Turmeric Powder on Performance and Egg Quality Traits in Laying Hens

Black cumin seed supplementation (1%) is effective for improving overall egg production and quality, while turmeric powder (1%) is particularly beneficial for yolk pigmentation. Combined supplementation may not be advantageous. These findings highlight the potential of black cumin seed and turmeric powder as natural feed additives to enhance laying performance and egg quality in layer diets.