Suárez Quintero, Y.I., Jiménez Martínez, L.D., López Flores, J.O. and Sánchez Gómez, I.E. 2020. Genotypical and allelic frequencies of the κappa caseína gene in cattle of Reyna breed, Managua, Nicaragua. La Calera. 20, 35 (Sep. 2020), 127–131. DOI:https://doi.org/10.5377/calera.v20i35.10245.