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Percentages of SD and CD rats developing antibodies to RTV1 after oral inoculation with RTV1 (experimental groups) or uninfected BHK21 cell lysates (control groups). Serologic responses were detected by multiplexed fluorescent immunoassays using TMEV strain GDVII virus as antigen. SD experimental rats, n = 10; CD experimental rats, n = 10; SD control rats, n = 6; and CD control rats, n = 6.
