| QTL Map Information |
|---|
| Chromosome: | 20 |
| QTL Peak Location: | 28.2 (cM) |
| QTL Span: | 24.50-31.86 (cM)
21.3-27.6 (Mbp) |
 |
Upper, "Suggestive": | n/a |
| Upper, "Significant": | RM310 |
| Peak: | |
| Lower, "Significant": | TGLA126 |
| Lower, "Suggestive": | n/a |
| Marker type: | Microsatellites |
| Analysis type: | QTL |
| Model tested: | n/a |
| Test base: | n/a |
| Threshold significance level: | n/a |
 |
F_Stat | 11.8 | | Dominance effect: | n/a |
| Additive effect: | n/a |
| Associated Gene: | n/a |
| Cis/Trans acting type: |  |
| Links:
NCBI GeneDB | Edit |
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|
| Extended information: |
|---|
| (none) |
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| QTL Experiment in Brief |
|---|
| Animals: | Semen samples from 10 large Holstein families consisting of 1415 bulls, were selected from the Dairy Bull DNA Repository. |
| Breeds associated:
n/a
|
| Design: | Data for milk yield and composition, SCS, and productive life were analyzed. |
| Analysis: | Heyen et al.(1999) selected 174 markers and Ashwell et al.(2001) selected 232 markers , and these 2 data sets were merged. Data from a total of eight traits were analyzed using a regression approach. |
| Software: | QTL Express |
| Notes: | |
| Links: | Edit |
| Reference |
|---|
| Authors: | Ashwell MS, Heyen DW, Sonstegard TS, Van Tassell CP, Da Y, VanRaden PM, Ron M,Weller JI, Lewin HA. |
| Affiliation: | United States Department of Agriculture-Agricultural Research Service, BovineFunctional Genomics Laboratory, Beltsville, MD 20705, USA.mashwell@anri.barc.usda.gov |
| Title: | Detection of quantitative trait loci affecting milk production, health, andreproductive traits in Holstein cattle. |
| Journal: | J Dairy Sci, 2004, 87(2):468-75. |
| Links: |
PubMed | Abstract | List all data
| Edit |
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