Vergleichsuntersuchungen zur Verwendbarkeit des PIGLOG-Ultraschall- Gerätes für die Vorausbestimmung des Muskelfleisch-anteiles bei Sauen im Rahmen der Eigenleistungsprüfung

Abstract. Title of the paper: Comparative investigations about the application of ultrasound measurement (PIGLOG) for prediction ofthe lean meat content in gilts
Ultrasound based Systems for in vivo estimation of lean meat content were comparatively investigated in 100 gilts (German Landrace, German Large White, Leicoma and F₁). Rank correlations increased between ultrasound based estimations of lean meat and carcass Classification with growing age and live weight, respectively. Lean meat content was estimated with the PIGLOG System and the B-mode device with repeatabilites of R² = 0.40 and R² = 0.63, respectively. We can not recommend the use of PIGLOG derived estimates of lean meat content in selection of gilts without prior correction of the calculation algorithm in the investigated populations. Our investigations furthermore demonstrated the importance of sufficient training of the persona conducting the measurements.