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. 2022 Jan 14;14(1):148. doi: 10.3390/v14010148

Table 2.

Results of real-time PCR for IAV and PRRSV detection in PRV1-positive nasal swab pools expressed as Ct values. Ct ≤ 37 was considered positive. Health status was reported by veterinary practitioners based on subjective assessments.

Farm ID Age [Weeks] Ct Value Respiratory Signs
PRV1 IAV PRRSV
B2 5 27.8 24.4 - Coughing, nasal discharge
B2 9 32.5 22.6 - Coughing, nasal discharge
B5 5 30.6 20.8 - Coughing
B6 5 27.1 16.6 - Coughing, sneezing
B6 7 29.1 17.1 - Coughing, sneezing
B16 5 32.7 20.0 - Coughing
E10 5 29.7 20.6 - Coughing, nasal discharge
D9 7 29.6 30.6 31.4 Coughing
D9 5 23.9 - 26.6 Coughing
C8 5 29.1 - 29.9 Coughing
C8 7 35.5 - 32.5 Coughing
A1 7 33.9 - - Coughing, nasal discharge
A1 15 29.8 - - Coughing, nasal discharge
B4 5 33.1 - - Coughing
B5 7 35.3 - - Coughing
B5 11 36.0 - - Coughing
B12 5 26.3 - - Coughing
B12 7 33.5 - - Coughing
B14 7 35.6 - - Coughing
B15 5 28.0 - - Coughing
B15 7 34.3 - - Coughing
C8 15 24.7 - - Coughing
D9 11 30.9 - - Coughing
D9 15 31.0 - - Coughing
F11 13 36.6 - - Coughing, nasal discharge
F11 15 24.4 - - Coughing, nasal discharge
F11 17 36.9 - - Coughing, nasal discharge
G21 7 31.4 - - Coughing
G21 9 35.7 - - Coughing
G21 17 31.5 - - Coughing
I23 5 30.9 - - Coughing
I23 7 37.0 - - Coughing
I23 11 33.9 - - Coughing
I23 13 34.3 - - Coughing
B3 13 26.6 - - None
B7 17 24.5 - - None
B12 9 36.0 - - None
B15 9 35.1 - - None
B17 5 33.6 - - None
H22 5 33.3 - - Not available

PRV1—porcine respirovirus 1; IAV—influenza A virus; PRRSV—porcine reproductive and respiratory syndrome virus. -—negative samples.