*The time period during which the outbreak of diarrhea was noticed.
aSampling time during the diarrhea outbreak.
bSampling time after the diarrhea outbreak.
Table 2. Detection of common enteric pathogens in fecal specimens from 18 seriously ill calves during a diarrhea outbreak on a cattle farm in Hebei, China using an enzymatic immunoassay (EIA) test and PCR