Sanchez-Duarte, J.I., Garcia, A., Rodríguez-Hernández, K., Reta-Sánchez, D.G., Salinas-Gonzalez, H., Ochoa-Martínez, E. and Reyes-González, A. 2020. Production response in dairy cows milked two or three times a day: A meta-analysis. Veterinaria México OA. 7, 2 (Jun. 2020). DOI:https://doi.org/10.22201/fmvz.24486760e.2020.2.562.