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Correlation Analysis between the Breeding Value of Carcass Traits in Hanwoo (Korean Brown Cattle), Bos Taurus, L. and Spot Intensity on Two-dimensional Gel Electrophoresis |
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K. S. Seo*, Y. N. Shen |
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Correspondence:
K. S. Seo,
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| Abstract |
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In order to investigate the genetic marker associated with economic performance in Hanwoo (Korean Brown Cattle), proteomic approach was used. Breeding values were estimated from performance tested steers. The top 20 and bottom 19 steers based on carcass weight (CW), eye muscle area (EMA), backfat thickness (BF) and marbling score (MS) evaluation for one progeny testing period was used. Meat samples dissected from longissimus dorsi muscles were taken from the slaughter house and analyzed for two-dimensional gel electrophoresis. A total of 102 significant spots out of total 146 on each gel were detected and compared with the reference gel (synthetic gel) to be evaluated. Four candidate spots for marbling score were identified: 205, 84, 204 and 198. The study confirmed the relationship between breeding values of economic traits of Hanwoo cattle and spot intensity. |
| Keywords:
Hanwoo; Proteomics; Spot Intensity; Two-Dimensional Gel Electrophoresis; Breeding Value |
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