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Articles 1 - 6 of 6
Full-Text Articles in Meat Science
Evaluating The Impact Of Two Contrasting Tillage Practices On Soil Properties In Central Kentucky, Emily Cook
Evaluating The Impact Of Two Contrasting Tillage Practices On Soil Properties In Central Kentucky, Emily Cook
Posters-at-the-Capitol
Farming practices such as no tillage and plowing can institute change on soil physical and chemical characteristics. In this research, the effects of long-term conventional and no-tillage systems on the selected soil properties were determined in a continuous corn system on a farm with Maury silt loam soil. These samples were taken from University of Kentucky's Research Farm (Spindletop Farm). The field used was tilled in 1969 from bluegrass sod and the first time research was conduced was in 1970. Each plot is 20 ft. by 40 ft. and for many years each plot was split with winter cover crop …
Supplemental Effects Of Ruminal Bypass Arginine And Lysine For Improving Meat Quality And Oxidative Stability Of Aged Beef Loins, Jacob Tuell, Hyun-Wook Kim, Juliana Guedes, Derico Setyabrata, Jin-Kyu Seo, Jon Schoonmaker, Yuan H. Brad Kim
Supplemental Effects Of Ruminal Bypass Arginine And Lysine For Improving Meat Quality And Oxidative Stability Of Aged Beef Loins, Jacob Tuell, Hyun-Wook Kim, Juliana Guedes, Derico Setyabrata, Jin-Kyu Seo, Jon Schoonmaker, Yuan H. Brad Kim
The Summer Undergraduate Research Fellowship (SURF) Symposium
Postmortem aging is widely practiced in the beef industry to improve eating quality characteristics. However, the oxidative stability of aged beef muscle could be negatively affected by extending aging period. The use of ruminal bypass amino acids allows levels of crude protein in the diet to be lowered and may also positively impact oxidative stability of aged beef muscle. This study was conducted to evaluate the effects of ruminal bypass arginine (Arg) and lysine (Lys) supplementation on meat quality and oxidative stability of beef loins (M. longissimus lumborum, LL) under two durations of postmortem aging (14 and 28 days). …
Developing Prediction Equations For Fat Free Lean In The Presence Of An Unknown Amount Of Proportional Measurement Error, Zachary J. Hass, Bruce A. Craig, Allan Schinckel
Developing Prediction Equations For Fat Free Lean In The Presence Of An Unknown Amount Of Proportional Measurement Error, Zachary J. Hass, Bruce A. Craig, Allan Schinckel
Conference on Applied Statistics in Agriculture
Published prediction equations for fat-free lean mass are widely used by producers for carcass evaluation. These regression equations are commonly derived under the assumption that the predictors are measured without error. In practice, however, it is known that some predictors, such as backfat and loin muscle depth, are measured imperfectly with variance that is proportional to the mean. Failure to account for these measurement errors will cause bias in the estimated equation. In this paper, we describe an empirical Bayes approach, using technical replicates, to accurately estimate the regression relationship in the presence of proportional measurement error. We demonstrate, via …
Effect Of Aging Time And Retail Displaying Period With A Short-Term Temperature Abuse On Color Stability Of Two Beef Muscles, Derico Setyabrata, Hyun-Wook Kim, Yuan H. Brad Kim
Effect Of Aging Time And Retail Displaying Period With A Short-Term Temperature Abuse On Color Stability Of Two Beef Muscles, Derico Setyabrata, Hyun-Wook Kim, Yuan H. Brad Kim
The Summer Undergraduate Research Fellowship (SURF) Symposium
Meat color and tenderness are two most important quality factors affecting consumers’ decision on meat purchasing. Post-mortem meat aging has been widely practiced to improve palatability attributes, but could be adversely related to meat color. In particular, temperature abuse during aging or retail display can negatively affect the color stability of aged meat. The objective of this study was to determine the effect of aging time and short-term temperature abuse during display on color stability of two beef muscles (M. longissimus dorsi, LD and semitendinosus, ST). LD and ST muscles were separated from three beef carcasses, vacuum-packaged …
Relationship Between Temperament And Performance Traits In Yearling Cattle, Courtney R. Branton, C. J. Koffskey, E. O. Warden, E. G. Brown
Relationship Between Temperament And Performance Traits In Yearling Cattle, Courtney R. Branton, C. J. Koffskey, E. O. Warden, E. G. Brown
Bright Ideas Conference
To examine relationships between exit velocity (EV, objective measure of temperament) and performance traits, calves were weighed 14 days prior to weaning, at weaning, 128 days post weaning, and at time of carcass measurements. Exit velocity obtained on day -14 and carcass ultrasound measurements (n = 6) obtained on day 208 and carcass harvest measurements (n = 12) obtained on day 349 were used to determine correlations between EV, performance and carcass measurements. Exit velocity showed a tendency to be negatively correlated (P < 0.15) with weaning weight (r = -0.40), but not correlated (P > 0.05) with average daily gain post 128 days. Exit velocity was not correlated (P > 0.05) with carcass …
Developing Prediction Equations For Carcass Lean Mass In The Prescence Of Proportional Measurement Error, Zachary J. Hass, Ziqi Zhou, Bruce A. Craig
Developing Prediction Equations For Carcass Lean Mass In The Prescence Of Proportional Measurement Error, Zachary J. Hass, Ziqi Zhou, Bruce A. Craig
Conference on Applied Statistics in Agriculture
Published prediction equations for carcass lean mass are widely used by commercial pork producers for carcass valuation. These regression equations have been derived under the assumption that the predictors, such as back fat depth, are measured without error. In practice, however, it is known that these measurements are imperfect, with a variance that is proportional to the mean. In this paper, we consider both a linear and quadratic true relationship and compare regression fits among two methods that account for this error versus simply ignoring the additional error. We show that biased estimates of the relationship result if measurement error …