Hajar Hajar et al. 2026. Development of Precision Feed Technology Model for Ruminant Livestock Based on Nutritional Sensors. Journal of Agriculture, Agribusiness, Welfare, Technology, Humanity, Environment, Social, and Economy. 1, 4 (Jan. 2026), 223–231. DOI:https://doi.org/10.64690/agrones.v1i4.627.