Table 5.
Genetic associations with yearling survivorship
| Additive model
|
Symmetrical overdominance model
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Locus | Locus term
|
Locus × weight interaction
|
n | d.f. | Heterozygosity term
|
Heterozygosity × weight interaction
|
n | d.f. | ||||
| Δdeviance | P value | Δdeviance | P value | Δdeviance | P value | Δdeviance | P value | |||||
| BM1815 | 4.08 | 0.130 | 2.37 | 0.305 | 237 | 2 | 3.88 | 0.049 | 0.02 | 0.893 | 237 | 1 |
| OLADRB | 13.94 | 0.016 | 4.5 | 0.480 | 291 | 5 | 1.33 | 0.249 | 1.88 | 0.170 | 291 | 1 |
| OLADRBps | 13.04 | 0.023 | 0.7 | 0.983 | 210 | 5 | 2.86 | 0.091 | 2.30 | 0.129 | 210 | 1 |
| OMHC1 | 9.8 | 0.044 | 3.76 | 0.439 | 242 | 4 | 4.06 | 0.044 | 3.78 | 0.052 | 242 | 1 |
| BM1818 | 4.24 | 0.374 | 3.17 | 0.530 | 226 | 4 | 0.36 | 0.549 | 1.43 | 0.232 | 226 | 1 |
Genetic terms were fitted to a minimal model of yearling survivorship under an additive model and a symmetrical overdominance model (see text). Markers within the MHC are shown in italics. Significant values are shown in bold.