Alfredo Gutiérrez, Alfredo Gutiérrez R., Carlos Sánchez, and Germán D. Mendoza. 2019. “Effect of Including Herbal Choline in the Diet of a Dairy Herd; A Multiyear Evaluation”. Emirates Journal of Food and Agriculture 31 (6):477-81. https://doi.org/10.9755/ejfa.2019.v31.i6.1971.