Lunsin, Ratchataporn, et al. “Metabolic Status, Reproductive, and Productive Performances of Transition Dairy Cows As Affected by Dietary Rumen-Protected Choline Supplementation”. Journal of Advanced Veterinary and Animal Research, vol. 11, no. 3, Sept. 2024, pp. 754-61, https://www.banglajol.info/index.php/JAVAR/article/view/81095.