There was a linear effect on yolk weight when anatto extract was added to rations with 100% of sorghum.
Fernando Guilherme Perazzo Costa, Carlos Alan Vieira Gomes, José Humberto Vilar daSilva, Maria Vitória Dias Carneiro, Cláudia de Castro Goulart, Leilane Rocha BarrosDourado 2006, 'Efeitos da inclusão do extrato oleoso de urucum em rações de poedeiras com substituiçãototal ou parcial do milho pelo sorgo de baixo tanino = Effects of oily anatto extractinclusion in laying hens rations with total or partial replacement of maize by lowtannin sorghum', Acta Scientiarum: Animal Scienceshttp://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/603/379. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)