Copyright information:Taken from "Genetic transformation of novel isolates of chicken bearing probiotic features for expression of heterologous proteins: a tool to develop live oral vaccines"BMC Biotechnology 2006;6():2-2.Published online 5 Jan 2006PMCID:PMC1360068.Copyright © 2006 Mota et al; licensee BioMed Central Ltd.microtiter plate. Readings at ODwere taken at 15 min intervals during 12 h of incubation at 37°C in a Microplate Spectrophotometer System SpectraMax 340. Percentage of growth inhibition was calculated after 6 h as (1 – A/A) × 100.