| QTL Map Information |
|---|
| Chromosome: | 22 |
| QTL Peak Location: | 57.7 (cM) |
| QTL Span: | 61.52-61.72 (cM)
38.2-38.4 (Mbp) |
 |
Upper, "Suggestive": | n/a |
| Upper, "Significant": | n/a |
| Peak: | BM6041 |
| Lower, "Significant": | n/a |
| Lower, "Suggestive": | n/a |
| Marker type: | Microsatellites |
| Analysis type: | QTL |
| Model tested: | n/a |
| Test base: | n/a |
| Threshold significance level: | n/a |
 |
| Dominance effect: | n/a |
| Additive effect: | n/a |
| Associated Gene: | n/a |
| Cis/Trans acting type: |  |
| Links:
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| Extended information: |
|---|
| (none) |
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| QTL Experiment in Brief |
|---|
| Animals: | Merino - 2 related flocks - Golden Ram designed mapping flock comprising 571 animals in 4 back-cross half-sibling familes, and 1 F2 half-sibling family, 4 sires selected based on probability of segregating for putative Golden ram trait; Golden Ram hi |
| Breeds associated:
n/a
|
| Design: | mapping flock: 2 artificial challenges with Haemonchus contortus, 2 FECs per challenge. Genome screen based on selective genotyping - top and bottom 25% based on 1st challenge FECs. Correlation between challenges 0.21. Additional genotyping of all |
| Analysis: | Interval mapping via logistic regression (LR) for within-family analysis, and interval mapping via maximum likelihood (ML) for across family analysis |
| Software: | custom, SAS, STMAP and QTLExpress |
| Notes: | |
| Links: | Edit |
| Reference |
|---|
| Authors: | Marshall K, Maddox JF, Lee SH, Zhang Y, Kahn L, Graser HU, Gondro C, Walkden-Brown SW, van der Werf JH. |
| Affiliation: | School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia |
| Title: | Genetic mapping of quantitative trait loci for resistance to Haemonchus contortus in sheep. |
| Journal: | Animal Genetics, 2009, 40:262-272 |
| Links: |
PubMed | Abstract | List all data
| Edit |
| Additional Information |
|---|
| Comments: | single family - 996137; first challenge |
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