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. 2017 Jun 27;31(1):26–31. doi: 10.5713/ajas.17.0179

Table 5.

Genetic (above the diagonal), phenotypic (below the diagonal) correlation between weight gain traits and parameters of the growth curve (GR0–2 to GR18–20, α, β, γ)1)

Trait2) GR0–2 GR2–4 GR4–6 GR6–8 GR8–10 GR10–12 GR12–14 GR14–16 GR16–18 GR18–20 α β γ
GR0–2 - 0.434 0.723 0.545 0.615 0.717 −0.258 −0.140 0.050 0.130 0.063 −0.667 0.198
GR2–4 0.808 - 0.742 0.550 0.502 0.706 0.295 −0.300 −0.527 −0.241 −0.298 −0.657 0.654
GR4–6 0.754 0.812 - 0.920 0.652 0.939 0.993 0.270 0.611 −0.517 0.177 −0.393 0.540
GR6–8 0.743 0.777 0.799 - 0.417 0.971 0.083 0.208 0.198 −0.228 0.288 −0.264 0.987
GR8–10 0.213 0.224 0.216 0.208 - 0.981 0.507 0.143 0.329 −0.235 −0.277 −0.485 0.671
GR10–12 0.401 0.456 0.498 0.504 −0.011 - 0.730 0.605 0.416 −0.385 0.687 0.214 0.542
GR12–14 −0.05 −0.03 −0.024 0.002 0.190 0.079 - 0.780 0.850 −0.277 0.936 - 0.183
GR14–16 0.188 0.192 0.244 0.220 0.280 0.224 0.228 - 0.888 −0.271 0.772 0.369 −0.210
GR16–18 −0.298 −0.314 −0.365 −0.371 0.223 −0.060 0.367 0.194 - 0.021 0.930 0.723 −0.543
GR18–20 0.115 0.021 0.099 0.099 0.091 0.140 0.150 0.193 0.190 - 0.584 0.311 −0.968
α 0.399 0.463 0.576 0.581 0.251 0.483 0.031 0.014 0.550 −0.335 - 0.528 −0.388
β −0.590 −0.665 −0.624 −0.569 0.096 −0.071 0.475 0.231 0.649 0.190 0.696 - −0.370
γ 0.073 0.021 0.006 0.005 0.297 0.219 0.544 0.542 0.711 0.514 −0.560 −0.264 -
1)

Genetic correlations are above the diagonal and phenotypic correlations are below the diagonal, Traits: weight gain traits and growth curve parameter traits.

2)

GR0–2, weight gain from hatch to 2 weeks of age; GR2–4, weight gain from 2 to 4 weeks of age; GR4–6, weight gain from 4 to 6 weeks of age; GR6–8, weight gain from 6 to 8 weeks of age; GR8–10, weight gain from 8 to 10 weeks of age; GR10–12, weight gain from 10 to 12 weeks of age; GR12–14, weight gain from 12 to 14 weeks of age; GR14–16, weight gain from 14 to 16 weeks of age; GR16–18, weight gain from 16 to 18 weeks of age; GR18–20, weight gain from 18 to 20 weeks of age; α, asymptotic live body weight (g); β, inflection point at which 50% of the asymptotic weight is realized (wk); γ, constant scale that is proportional to the overall growth rate (wk).