1997
DOI: 10.2527/1997.75123169x
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Influence of sample orientation on prediction of fresh ham lean content by electromagnetic scanning.

Abstract: ABSTRACT:To evaluate the effect of orientation of hams during electromagnetic scanning on the estimation of dissected lean content, hams were scanned horizontally, posterior first (POS) or dorsal first (DOR), and vertically, medial side (aitchbone) first (MED; standing on the butt face). Weight and percentage of dissected lean were estimated using scan peak for each orientation, ham weight, and fat thickness. The mean scan peak for the MED orientation was approximately twice as great as peaks for the POS and D… Show more

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Cited by 4 publications
(3 citation statements)
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“…A single-variable equation that used ham PMA had an R 2 of 0.91 and RMSE of 0.80 (Equation 11). This result was not surprising because Meseck et al (1997) reported an R 2 of 0.95 and RMSE of 0.21 for estimation of dissected ham lean using a peak ham TOBEC value, ham weight, and ham butt fat thickness. A four-variable equation that included ham PMA, chilled left CW, ham temperature, and BUTTFT in the model had an R 2 of 0.95 and RMSE of 0.65 (Equation 12).…”
Section: Prediction Equations For Carcass Fat-free Leanmentioning
confidence: 78%
See 1 more Smart Citation
“…A single-variable equation that used ham PMA had an R 2 of 0.91 and RMSE of 0.80 (Equation 11). This result was not surprising because Meseck et al (1997) reported an R 2 of 0.95 and RMSE of 0.21 for estimation of dissected ham lean using a peak ham TOBEC value, ham weight, and ham butt fat thickness. A four-variable equation that included ham PMA, chilled left CW, ham temperature, and BUTTFT in the model had an R 2 of 0.95 and RMSE of 0.65 (Equation 12).…”
Section: Prediction Equations For Carcass Fat-free Leanmentioning
confidence: 78%
“…Immediately before dissection, the ham (tail off and back feet removed 2.54 cm above the hock) was electronically scanned in triplicate (ham PMA) using the same MQ-27 scanner with a conveyor speed of 0.85 m/s. The untrimmed ham was placed on the conveyor in a posterior fashion with the skin side down and the shank side entering the scanner first, as outlined by Meseck et al (1997).…”
Section: Chilled Untrimmed Ham Tobecmentioning
confidence: 99%
“…This electromagnetic scanner then reports a measure of electrical absorbance or peak mean average. The peak mean average is highly correlated to the lean content of the ham (Meseck et al, 1997). Ham weight and peak mean average were used to calculate total ham lean and the percentage of ham lean.…”
Section: Carcassesmentioning
confidence: 99%