“Immunological Characterization of Colostrum in Dual Purpose System and Evaluation of Four Methods of Conservation”. Revista Sistemas de Producción Agroecológicos 5, no. 1 (June 30, 2014): 17–57. Accessed November 12, 2026. https://ojs-unillanos-prueba.metarevistas.org/index.php/sistemasagroecologicos/article/view/637.