Rodríguez-Alfaro, Marisol, Catalina Salas-Durán, and Carlos Orozco-Vidaorreta. “Organic Selenium Supplementation in Layer Hens and Its Transfer to the Egg”. Agronomía Mesoamericana 30, no. 1 (January 1, 2019): 239–253. Accessed December 21, 2024. https://revistas.ucr.ac.cr/index.php/agromeso/article/view/32106.