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KMID : 1025520010430050615
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Journal of Animal Science and Technology
2001 Volume.43 No. 5 p.615 ~ p.622
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Identification of DNA Markers Related to Marbling Score in Hanwoo
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Koo Dae-Hoi
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Abstract
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DNA markers related to marbling score were identified using DNA fingerprinting with M13 probe and restriction enzyme HaeⅢ from 336 heads(147 heads of bull and 189 heads of steer) of Hanwoo. It was found that distinct 2 kinds of specific markers at 9.4 and 3.6kb showing significant difference for marbling score. DNA Marker groups having either 9.4, 3.6 or 9.4/3.6kb showed higher frequency of meat quality grade 1 or 2 than the group having none-marker. Also, the group having 9.4kb showed 94.4% of grade 1, indicating that this marker is valuable for the improvement of meat quality and was able to separate completely the lowest beef grade no.3.
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