Table 3: Ct values of ferret or monkey cDNAs prepared by five different methods and subjected to SYBR-Green qPCR.

RO AM BI QI TR Ferret lung 20.51 18.54 18.85 17.99 17.31 Ferret small intestine 18.29 18.36 18.31 18.29 18.25 Monkey lung 18.31 18.39 18.58 18.34 18.43 Monkey small intestine 20.11 20.26 19.32 17.05 20.18

Note: The Ct values shown are the average of at least 3 replicates with standard deviations of 6.0–10%. The P values from t-test calculations were >0.05 between the different methods.