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Objective grading of eye muscle area, intramuscular fat and marbling in Australian beef and lamb.
Stewart, S M; Lauridsen, T; Toft, H; Pethick, D W; Gardner, G E; McGilchrist, P; Christensen, M.
Afiliación
  • Stewart SM; Advanced Livestock Measurement Technologies (ALMTech), Murdoch University, School of Science, Health and Engineering, Western Australia 6150, Australia. Electronic address: S.Stewart@murdoch.edu.au.
  • Lauridsen T; Frontmatec A/S, Smørum 2765, Denmark.
  • Toft H; Frontmatec A/S, Smørum 2765, Denmark.
  • Pethick DW; Advanced Livestock Measurement Technologies (ALMTech), Murdoch University, School of Science, Health and Engineering, Western Australia 6150, Australia.
  • Gardner GE; Advanced Livestock Measurement Technologies (ALMTech), Murdoch University, School of Science, Health and Engineering, Western Australia 6150, Australia.
  • McGilchrist P; Advanced Livestock Measurement Technologies (ALMTech), Murdoch University, School of Science, Health and Engineering, Western Australia 6150, Australia; University of New England, School of Environmental & Rural Science, New South Wales 2351, Australia.
  • Christensen M; Frontmatec A/S, Smørum 2765, Denmark.
Meat Sci ; 181: 108358, 2021 Nov.
Article en En | MEDLINE | ID: mdl-33160745
The objective of this study was to test the performance of a prototype vision system in phenotypically diverse beef and lamb carcasses against visual grading of eye muscle area (EMA), marbling and chemical intramuscular fat (IMF%). Validation in beef demonstrated that the camera prototype in combination with analytical techniques enabled prediction of EMA (r2 = 0.83, RMSEP = 6.4 cm2), MSA marbling (r2 = 0.76, RMSEP = 66.1), AUS-MEAT marbling (r2 = 0.70, RMSEP = 0.74) and chemical IMF% (r2 = 0.78, RMSEP = 1.85%). Accuracy was also maintained on validation with all four traits displaying minimal bias of -3.6, 6.3, 0.07 and - 0.01, for EMA, MSA marbling, AUS-MEAT marbling and IMF% respectively. Preliminary analysis in lamb indicates potential of the system for the prediction of EMA (r2 = 0.41, RMSEP = 1.87) and IMF% (r2 = 0.28, RMSEP = 1.10), however further work to standardise image acquisition and environmental conditions is required.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fotograbar / Tejido Adiposo / Carne Roja Tipo de estudio: Prognostic_studies Límite: Animals País/Región como asunto: Oceania Idioma: En Revista: Meat Sci Asunto de la revista: CIENCIAS DA NUTRICAO Año: 2021 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fotograbar / Tejido Adiposo / Carne Roja Tipo de estudio: Prognostic_studies Límite: Animals País/Región como asunto: Oceania Idioma: En Revista: Meat Sci Asunto de la revista: CIENCIAS DA NUTRICAO Año: 2021 Tipo del documento: Article Pais de publicación: Reino Unido