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. 2025 Aug 13;103:skaf268. doi: 10.1093/jas/skaf268

Table 4.

Predictive ability and standard deviations of kernel-based models, including genetic effects (model G), microbiota effects (model M), and both genetics and microbiota (model GM), using microbiota at 140 d

Model G Model M Model GM
Trait Unit ρ(y,EBV) MSEP ρ(y,EMV) MSEP ρ(y,EBV+EMV) MSEP
ADG g 0.34±0.22 0.006 ± 0.002 0.25±0.25 0.006 ± 0.002 0.38±0.22 0.006 ± 0.002
ADFI kg 0.22±0.24 0.100 ± 0.032 0.22±0.24 0.100 ± 0.031 0.27±0.23 0.100 ± 0.031
FCR kg/kg 0.06±0.26 0.294 ± 0.185 0.17±0.22 0.288 ± 0.181 0.14±0.23 0.291 ± 0.182
BW180 kg 0.36±0.23 86.14 ± 29.93 0.43±0.23 86.04 ± 28.24 0.48±0.22 80.66 ± 27.52
RFI kg 0.07±0.26 0.067 ± 0.033 0.28±0.21 0.063 ± 0.030 0.25±0.22 0.061 ± 0.031
FPV g 0.47±0.22 1666 ± 657.7 0.33±0.24 1915 ± 853.0 0.51±0.20 1615 ± 650.8
FR g/min 0.20±0.25 42.32 ± 13.61 0.13±0.27 44.98 ± 16.18 0.23±0.21 43.17 ± 14.43
NVD visits/day 0.40±0.26 9.033 ± 5.298 0.32±0.25 9.605 ± 5.233 0.44±0.25 8.777 ± 5.048
TPV sec/visit 0.48±0.20 7374 ± 5457 0.20±0.24 9260 ± 7551 0.44±0.20 7687 ± 5804

ADG, average daily gain; ADFI, daily feed intake; FCR, feed conversion ratio; BW180, body weight at 180 d; RFI, residual feed intake; FPV, feed intake per visit; FR, feeding rate; NVD, number of visits per day; TPV, time spent in feeding per visit;

ρ(y,EBV) = correlation between adjusted phenotype and estimated breeding value; ρ(y,EMV) = correlation between adjusted phenotype and estimated microbiota value; MSEP, mean squared error of prediction.