Rath, Rajashree, et al. “Influence of Choline Supplementation on Yolk Trimethylamine Concentration, Egg Quality and Serum Biochemical Profile in Khaki Campbell Ducks”. Indian Journal of Animal Nutrition, vol. 34, no. 4, Dec. 2017, https://epubs.icar.org.in/index.php/IJAN/article/view/76464.