Table 1 Spearman’s rho correlation coefficient (rs) and Lin’s concordance correlation coefficients (CCC) between FEC from individual and pooled samples according the pool size and the FEC values (whole, D0 or D14) and between FECR(%) from individual samples and FECR(%) from individual samples at D14 and pooled samples at D0 according the pool size
Pool size | No. of pools | r s | 95% CI | CCC | 95% CI |
|---|---|---|---|---|---|
Faecal egg count | |||||
Pool of 5 samples | 58 | 0.98 | 0.95–0.99 | 0.99 | 0.98–0.99 |
Pool of 10 samples | 42 | 0.97 | 0.92–0.99 | 0.97 | 0.94–0.98 |
Global pool | 58 | 0.95 | 0.91–0.97 | 0.97 | 0.95–0.98 |
Global pool on-farm | 26 | 0.94 | 0.82–0.98 | 0.93 | 0.88–0.96 |
Pool of 5 samples (D0) | 29 | 0.98 | 0.93–0.99 | 0.98 | 0.96–0.99 |
Pool of 10 samples (D0) | 21 | 0.98 | 0.90–1.00 | 0.94 | 0.86–0.98 |
Global pool (D0) | 29 | 0.91 | 0.75–0.97 | 0.95 | 0.90–0.98 |
Pool of 5 samples (D14) | 29 | 0.84 | 0.64–0.94 | 0.96 | 0.93–0.97 |
Pool of 10 samples (D14) | 21 | 0.79 | 0.51–0.92 | 0.95 | 0.90–0.98 |
Global pool (D14) | 29 | 0.69 | 0.39–0.86 | 0.94 | 0.89–0.97 |
Faecal egg count reduction | |||||
Pool of 5 samples | 29 | 1.00 | 0.99–1.00 | 0.97 | 0.95–0.98 |
Pool of 10 samples | 21 | 0.88 | 0.72–0.95 | 0.82 | 0.65–0.91 |
Global pool | 29 | 0.80 | 0.62–0.91 | 0.82 | 0.70–0.90 |
Global pool on-farm | 13 | 0.68 | 0.20–0.90 | 0.89 | 0.85–0.91 |