Díaz-Zarco S, Montes de Oca-Jiménez R, Rodríguez-Domínguez MC. Selenium levels in soil, grass and sheep: Inf luence of Se supplementation on the IgG concentration in pregnant ewes and lambs. terra [Internet]. 2022 Jul. 29 [cited 2024 Nov. 21];40. Available from: https://terralatinoamericana.org.mx/index.php/terra/article/view/950