L. G. Galarza-Heredia, F. A. Mendoza-Rivadeneira, and J. X. Barcia-Anchundia, “Effect of the fermentative product of Kefir Tibicos as natural acidifier supplied in the drinking water of broilers Cobb 500”, Rev. Cient. FCV-LUZ, vol. 33, no. 1, pp. 1-5, Mar. 2023.