Leza-Leza, M.T. , Víquez-Ruiz, E. , Barquero-Calvo, E. , Sancho-Blanco, C. and Umaña-Castro, R. 2022. Optimization of PCR techniques optimization for detection of Salmonella enterica (serotype: Gallinarum) in Costa Rican poultry. UNED Research Journal. 14, 1 (May 2022), e3831. DOI:https://doi.org/10.22458/urj.v14i1.3831.