We aim to provide not only neonatal animal but also large and active livestock after weaning and large number of livestock with medium chain fatty acid triglyceride containing feed with little effort. (A) 70 to 98 parts by mass of a triester composed of a medium chain fatty acid and glycerin, (B) 1 to 29 parts by mass of an emulsifier having a total HLB value of 9.7 to 11.0, (C) water : 1 to 10 parts by mass of (D) a nutritional additive: 0 to 10 parts by mass, the total amount of each of the components (A) to (D) is 100 parts by mass and the drinking water of livestock or domestic animals A feed composition for dispersing in an ingestible liquid.