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Effects of zilpaterol hydrochloride feeding duration and postmortem aging on Warner-Bratzler shear force of three muscles from beef steers and heifers

Brooks, J.C.; Claus, H.C.; Dikeman, M.E.; Shook, J.; Hilton, G.G.; Lawrence, T.E.; Mehaffey, J.M.; Johnson, Bradley J.; Allen, D.M.; Streeter, M.N.; Nichols, W.T.; Hutcheson, J.P.; Yates, D.A.; Miller, M.F. (2009)

To determine the effects of zilpaterol hydrochloride (ZH; 6.8 g/t on 90% DM basis) feeding duration (0, 20, 30, and 40 d) on Warner-Bratzler shear force (WBSF) of longissimus lumborum (LL), triceps brachii (TB), and gluteus ...

Effects of zilpaterol hydrochloride with or without an estrogen-trenbolone acetate terminal implant on carcass traits, retail cutout, tenderness, and muscle fiber diameter in finishing steers

Kellermeier, J.D.; TIttor, A.W.; Brooks, J.C.; Galyean, M.L.; Yates, D.A.; Hutcheson, J.P.; Nichols, W.T.; Streeter, M.N.; Johnson, Bradley J.; Miller, M.F. (2009)

Our objective was to determine the effects of feeding zilpaterol hydrochloride (ZH), a β-agonist, for the final 30 d of the feeding period, with or without a terminal estrogen + trenbolone acetate (TBA) implant (Revalor-S; ...

Effects of zilpaterol hydrochloride and days on the finishing diet on feedlot performance, carcass characteristics, and tenderness in beef heifers

Rathmann, R.J.; Bernhard, B.C.; Swingle, R.S.; Lawrence, T.E.; Nichols, W.T.; Yates, D.A.; Hutcheson, J.P.; Streeter, M.N.; Brooks, J.C.; Miller, M.F.; Johnson, Bradley J. (2012)

British × Continental heifers (n = 3,382; initial BW = 307 kg) were serially slaughtered to determine if increasing days on the finishing diet (DOF) mitigates negative consequences of zilpaterol HCl (ZH) on quality grade ...

Moisture enhancement and blade tenderization effects on the shear force and palatability of strip loin steaks from beef cattle fed zilpaterol hydrochloride

Brooks, J.C.; Mehaffey, J.M.; Collins, J.A.; Rogers, H.R.; Legako, J.; Johnson, Bradley J.; Lawrence, T.; Allen, D.M.; Streeter, M.N.; Nichols, W.T.; Hutcheson, J.P.; Yates, D.A.; Miller, M.F. (2010)

Two trials investigated zilpaterol hydrochloride (ZH) feeding duration, enhancement, blade tenderization, and postmortem aging effect on Warner-Bratzler shear force (WBSF; trial 1) and consumer sensory ratings (trial 2). ...

Dose and release pattern of anabolic implants affects growth of finishing beef steers across days on feed

Parr, S.L.; Chung, K.Y.; Hutcheson, J.P.; Nichols, W.T.; Yates, D.A.; Streeter, M.N.; Swingle, R.S.; Galyean, M.L.; Johnson, Bradley J. (2011)

Four experiments evaluated the effect of implant dose and release pattern on performance and carcass traits of crossbred beef steers. In Exp. 1, steers (4 to 7 pens/treatment; initial BW = 315 kg) were fed an average of ...

Zilpaterol hydrochloride supplementation has no effect on the shelf life of ground beef

Luqué, L.D.; Johnson, Bradley J.; Martin, J.N.; Miller, M.F.; Hodgen, J.M.; Hutcheson, J.P.; Nichols, W.T.; Streeter, M.N.; Yates, D.A.; Brooks, J.C. (2011)

The objective of this study was to determine the effect of feeding zilpaterol hydrochloride (ZH) on the shelf life and stability of ground beef. Beef knuckles and plates were obtained from USDA Select beef heifer carcasses ...

Effects of zilpaterol hydrochloride feeding duration on beef and calf-fed Holstein strip loin steak color

Rogers, H.R.; Brooks, J.C.; Hunt, M.C.; Hilton, G.G.; VanOverbeke, D.L.; Killefer, J.; Lawrence, T.E.; Delmore, R.J.; Johnson, Bradley J.; Allen, D.M.; Streeter, M.N.; Nichols, W.T.; Hutcheson, J.P.; Yates, D.A.; Martin, J.N.; Miller, M.F. (2010)

Two studies using beef and calf-fed Holstein cattle were conducted to determine the effect of zilpaterol hydrochloride (ZH) supplementation on the color of strip loin steaks packaged in traditional and modified-atmosphere ...

Effect of feeding zilpaterol hydrochloride to beef and calf-fed Holstein cattle on consumer palatability ratings

Mehaffey, J.M.; Brooks, J.C.; Rathmann, R.J.; Alsup, E.M.; Hutcheson, J.P.; Nichols, W.T.; Streeter, M.N.; Yates, D.A.; Johnson, Bradley J.; Miller, M.F. (2009)

The need to provide consumer data for beef steak tenderness, juiciness, flavor, and overall palatability ratings from zilpaterol hydrochloride (ZH) beef to the processor, retailers, restaurants, and consumers is paramount. ...

Additive effects of a steroidal implant and zilpaterol hydrochloride on feedlot performance, carcass characteristics, and skeletal muscle messenger ribonucleic acid abundance in finishing steers

Baxa, T.J.; Hutcheson, J.P.; Miller, M.F.; Brooks, J.C.; Nichols, W.T.; Streeter, M.N.; Yates, D.A.; Johnson, Bradley J. (2010)

This experiment investigated the effects of zilpaterol hydrochloride (ZH) and the steroidal implant Revalor-S (RS; 120 mg of trenbolone acetate and 24 mg of estradiol-17β) on finishing steer performance and the mRNA ...

Evaluation of coated steroidal combination implants on feedlot performance and carcass characteristics of beef heifers fed for constant or varying days on feed

Ohnoutka, C.A.; Bondurant, R.G.; Boyd, B.M.; Hilscher, F.H.; Nuttelman, B.L.; Crawford, G.I.; Streeter, M.N.; Luebbe, M.K.; MacDonald, J.C.; Smith, Z.K.; Johnson, Bradley J.; Erickson, G.E. (2021)

Objective Two experiments evaluated the effects of delayed, long-lasting implant strategies for finishing heifers fed for constant or varying days on feed. Materials and Methods In Exp. 1, heifers (n = 500; initial ...