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Full-Text Articles in Life Sciences

Effect Of Lighter (273 Kg) And Heavier (356 Kg) Initial Weight On Growth Performance Of Single-Source, Pre-Conditioned Beef Steers Fed A Single Growing-Finishing Diet, Thomas C. Norman Jan 2023

Effect Of Lighter (273 Kg) And Heavier (356 Kg) Initial Weight On Growth Performance Of Single-Source, Pre-Conditioned Beef Steers Fed A Single Growing-Finishing Diet, Thomas C. Norman

Electronic Theses and Dissertations

The objective of the study was to determine the influence that initial BW has on growth performance responses, efficiency of dietary net energy (NE) utilization, and carcass traits in feedlot steers. Light- and heavy-weight Charolais×Red Angus steers (n = 70) selected from a larger single-source group were used in a 209-d growing-finishing feedlot experiment at the Ruminant Nutrition Center, in Brookings, SD. On d-0 and d-1 weight and hip height (HH) measurements were collected for allotment purposes; the initial experimental weight was the average between d 0 and d 1 BW. Steers were assigned to two groups based on initial …


Influence Of Maternal Protein Restriction In Primiparous Heifers During Mid- And/Or Late-Gestation On Meat Quality And Fatty Acid Profile Of Progeny, M. J. Webb, J. J. Block, R. N. Funston, K. R. Underwood, J. F. Legako, A. A. Harty, R. R. Salverson, K. C. Olson, A. D. Blair Jun 2020

Influence Of Maternal Protein Restriction In Primiparous Heifers During Mid- And/Or Late-Gestation On Meat Quality And Fatty Acid Profile Of Progeny, M. J. Webb, J. J. Block, R. N. Funston, K. R. Underwood, J. F. Legako, A. A. Harty, R. R. Salverson, K. C. Olson, A. D. Blair

SDSU Beef Day 2020 Summary Publication

The objective of this study was to evaluate the influence of metabolizable protein (MP) restriction in mid- and/or late-gestation on meat quality, fatty acid profile, and carcass composition of progeny.


Evaluating The Point Of Separation, During Carcass Fabrication, Between The Beef Wholesale Rib And The Beef Wholesale Chuck, B.J. Reuter, D.M. Wulf, B.C. Shanks, R.J. Maddock Jan 2002

Evaluating The Point Of Separation, During Carcass Fabrication, Between The Beef Wholesale Rib And The Beef Wholesale Chuck, B.J. Reuter, D.M. Wulf, B.C. Shanks, R.J. Maddock

Animal Science Faculty Publications

This study determined whether there is a logical point of value change, related to either tenderness or consumer acceptance, at which to separate the beef carcass within the rib/chuck region. Rib/chuck rolls (RCR); (n = 30) consisting of the ribeye roll and chuck eye roll subprimals (2nd through 12th rib locations) were cut into 22 steaks each (two steaks per rib location), and Warner-Bratzler shear force and consumer purchase preference were evaluated for steaks at each rib location. Steaks from different locations of the RCR were composed of differing proportions of several muscles: longissimus muscle (LM), spinalis dorsi and multifidus …


Effect Of Different Growth Patterns On Feedlot Performance And Carcass Traits Of Moderately Large Framed Feeder Calves, R.H. Pritchard, D.H. Gee, M.A. Robbins Jan 1988

Effect Of Different Growth Patterns On Feedlot Performance And Carcass Traits Of Moderately Large Framed Feeder Calves, R.H. Pritchard, D.H. Gee, M.A. Robbins

South Dakota Beef Report, 1988

Dry matter intake of Charolais and Limousin sired crossbred steers was restricted to allow three distinctly different postweaning growth patterns. Growth patterns represented were LL--allow 2.8 lb ADG throughout the feeding period; LH -- same as LL until 80% of slaughter weight, then allow ad Libitum DMI; or HH--ad Libitum feed intake throughout. Ad Libitum fed steers consumed 23% more dry matter (P<.001) had higher ADG (3.81 vs 3.09 Lb/head/day; P<.01) than steers on restricted feed intake up t o 80% of slaughter weight. Feed efficiency was similar regardless of feeding rate in the early growth curve. Steers switched from restricted to ad Libitum feed intake exhibited compensatory gains (P<.01), while DM1 did not differ from steers previously fed ad Libitum. While feeding program affected cumulative feedlot ADG and DMI (P<.05) and days on feed, feed efficiency and total dry matter consumed were not affected. LL feeding resulted in lower marbling scores and a lower percentage choice grade in carcasses of similar weights. Growth pattern had no effect on carcass composition estimated from 9-10-11 rib section when adjusted to a common carcass weight.