| QTL Map Information |
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| Chromosome: | 3 |
| QTL Peak Location: | n/a |
| QTL Span: | n/a
80.4-80.4 (Mbp) |
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Upper, "Suggestive": | n/a |
| Upper, "Significant": | n/a |
| Peak: | rs16308885 |
| Lower, "Significant": | n/a |
| Lower, "Suggestive": | n/a |
| Marker type: | SNP |
| Analysis type: | Association |
| Model tested: | Mendelian |
| Test base: | Comparison-wise |
| Threshold significance level: | Significant |
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VARIANCE | 2.04 | | P_values | <0.001 | | Dominance effect: | n/a |
| Additive effect: | n/a |
| Associated Gene: | n/a |
| Cis/Trans acting type: |  |
| Links:
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| Extended information: |
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| QTL Experiment in Brief |
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| Animals: | Chickens were Rhode Island Red (RIR), White Plymouth Rock (WPR), and F2 of RIR and White Rock. F2 population included 1599 F2 females with phenotypic data, Lohmann Tierzucht RIR line 692 females with phenotypic data, Hy-Line WPR line 290 progeny tested males with estimated breeding values. |
| Breeds associated:
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| Design: | We selected the most promising autosomal QTL regions affecting egg shell quality on chromosomes 2, 3, 6, 14 from our earlier experiment (Tuiskula-Haavisto et al. 2011). A set of 845 SNPs were selected from the associated regions on chromosomes 2, 3, 6 and 14 and genotyped by Illumina BeadXpress at Luke (Natural Resources Institute Finland) and Roslin. Genotyping of the RIR line was carried out by Kbiosciences (Hoddesdon, Herts, UK). The SNP positions are according to Galgal4 (http://jul2016.archive.ensembl.org/Gallus_gallus/Info/Index). |
| Analysis: | Linear models for association analysis were fitted by REML, followed by approximate Student t-tests to assess marker effects. Linkage disequilibrium and linkage analyses (LD/LA) were done using the GRIDQTL software available at: https://gridqtl1.cap.ed.ac.uk:8443/gridsphere/gridsphere. |
| Software: | Genstat v13, GRIDQTL |
| Notes: | We selected the most promising autosomal QTL regions affecting egg shell quality on chromosomes 2, 3, 6, 14 from our earlier experiment, see Tuiskula-Haavisto M., Honkatukia M., Preisinger R., Schmutz M., De Koning D.J., Wei W.H. & Vilkki J. (2011) Quantitative trait loci affecting eggshell traits in an F(2) population. Animal Genetics 42, 293-9. |
| Links: | Edit |
| Reference |
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| Authors: | Tuiskula-Haavisto M, Honkatukia M, Dunn IC, Bain MM, De Koning DJ, Preisinger R, Schmutz M, Arango J, Fischer D, Vilkki J |
| Affiliation: | Natural Resources Institute Finland (Luke) Green technology, FI-31600 Jokioinen, Finland |
| Title: | Validated quantitative trait loci for eggshell quality in experimental and commercial laying hens |
| Journal: | Animal Genetics, 2018, 49(4):329-333 |
| Links: |
PubMed | Abstract | List all data
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| Additional Information |
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| Comments: | Difference in reflectance at 650 nM after - before staining with MST cuticle blue |
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