Methodologies for ribeye area determination in goats
2006
Yanez, E.A. | Ferreira, A.C.D. | Medeiros, A.N. | Filho, J.M.P. | Teixeira, I.A.M.A. | Resende, K.T.
The aim of this study was to evaluate the accuracy of a number of methodologies, i.e. PLANIMETER, GEOMETRIC, GRID, UNESP-GRID, UFSM, ZEISS and DELTA-T, in determining ribeye area (REA) of 65 Saanen goats of varying body condition. Goats were grouped according to body weight at slaughter (5.3, 11.2, 12.9, 16.4, 21.0, 22.1, 27.7, 28.6 and 35.2 kg). Tracing based on transverse section between the 13th thoracic and 1st lumbar vertebrae was used to determinate REA. There was no significant interaction between methodologies and body weight at slaughter. PLANIMETER, UNESP-GRID, GEOMETRIC and UFSM methods were similar in average values to the standard DELTA-T method. The REA was overestimated by the GRID and underestimated by the ZEISS method. The UNESP-GRID, GEOMETRIC and UFSM methods have coincident curves comparable to DELTA-T, when used to estimate goat REA. The UNESP-GRID and GEOMETRIC were the methods of choice based on accuracy, practicality and feasibility.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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