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Author: search.filters.author.Tuntivisoottikul, K.Subject: search.filters.subject.Dairy beef

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    Item type:Publication,
    Association between dairy meat quality with gender, slaughter age, and marbling score, and relationships among the meat quality traits
    (2023-05-01)
    Sinthusamran, S.
    ;
    Sivapirunthep, P.
    ;
    Kaesang, T.
    ;
    Supphakitchanon, T.
    ;
    Tuntivisoottikul, K.
    Gender of dairy cattle did not influence all studied traits (P>0.05). Age at slaughter did not influence the most meat traits, except L* value (P<0.05). Meat from the oldest animals, 5 yr old, exhibited significantly lower L* value than the younger animals, 2, and 3 yr old (P<0.05). Marbling score significantly affected traits (P<0.05), except pH, a* and b* color values (P>0.05). The muscle obtained higher marbling scores had more dry matter and ether extracted (intramuscular fat content). Increased marbling score was related to decrease shear force. The lightness of muscle with the highest marbling score had the highest mean L* =52.8. There was strongly positive correlated between %DM and %EE (r= 0.91, P<0.01). The positive relationships between %EE, and L* and b* were found. Shear force was positively correlated with cooking loss (P<0.01), but it was negatively related to L* (P<0.01).
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    Ribeye areas and sizes of fattening culled dairy carcasses determination using plastic grid and geometric methods
    (2022-03-01)
    Tuntivisoottikul, K.
    ;
    Pomasa, P.
    ;
    Sivapirunthep, P.
    The ribeye areas (REA) of fattening culled dairy carcasses which measured using geometric method (GM) were significantly higher than those using plastic grid (PG) method with the averages of 84.12 and 81.42 sq.cm., respectively (p<0.01). The factor of ribeye sizes had highly significantly influenced on REA. The averages of REA for small, medium, and large sizes were 61.94, 80.85, and 105.51 sq.cm., respectively (p<0.01). In addition, the interaction between the fators of method and size affected on the REA. The averages REA of large size measured by GM method was 108.77 sq.cm higher than that measured by PG method 102.26 sq.cm. (p<0.05), whereas there was not significant difference for the small and medium sizes measured by both methods.