Hirwani, R. et al. 2026. Effect of Dietary Supplementation of Marigold (Tagetes erecta) Petal Powder on Yolk Pigmentation, Feed Efficiency and Cost Economics in Desi Layers. International Journal of Bio-resource and Stress Management. 17, May, 5 (May 2026), 01–06. DOI:https://doi.org/10.23910/1.2026.6880.