Citation | Rusli RK, Triani HD, Kurniawan O, Yuniza A, Husmaini, Astuti WD, Marlida Y (2026). Evaluation of the impact of variations in protein levels in rations on the performance of Kamang ducks. J. Anim. Health Prod. 14(4): 1271-1274. DOI | https://dx.doi.org/10.17582/journal.jahp/2026/14.4.1271.1274