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. 2020 Jan 13;34(2):185–191. doi: 10.5713/ajas.19.0634

Table 3.

Estimates of variance components and genetic parameters of traits linked to resistance to worms in uni- and multiple-trait analyses

Traits σa2 σpe2 σe2 σp2 r h2(SD) Geweke MCE
Uni-trait
 WR 0.37 - 0.47 0.83 - 0.44 (0.23) 0.00 0.0043
 FEC 0.18 0.15 3.44 3.76 0.09 0.05 (0.03) −0.01 0.0171
 HCT 1.49 1.87 15.74 19.10 0.18 0.08 (0.05) −0.01 0.0003
 BCS 0.06 0.02 0.41 0.50 0.17 0.12 (0.05) 0.00 0.0003
 FS 0.05 0.04 0.26 0.36 0.27 0.15 (0.07) −0.05 0.0004
 BW 8.72 31.02 33.11 72.85 0.55 0.12 (0.09) 0.04 0.1100
Multiple-trait
 WR 0.76 - 0.38 1.14 - 0.88 (0.03) 0.00 0.0043
 FEC 0.07 0.02 0.67 0.75 0.12 0.10 (0.01) −0.01 0.0171
 HCT 2.56 0.96 15.85 19.37 0.18 0.13 (0.03) −0.01 0.0003
 BCS 0.09 0.03 0.42 0.34 0.23 0.17 (0.03) 0.00 0.0003
 FS 0.08 0.05 0.23 0.34 0.33 0.23 (0.04) −0.05 0.0004
 BW 19.03 28.00 32.62 79.65 0.59 0.22 (0.06) 0.04 0.1100

σa2, additive genetics; σpe2 permanent environment; σe2, residual variances; σp2, phenotypic variances; r, repeatability; h2, heritability, SD, standard deviation; MCE, Monte Carlo error; WR, worm resistance; FEC, number of eggs per gram of feces; HCT, hematocrit; BCS, body condition score; FS, Famacha score; BW, body weight.