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Veterinary Medicine

Nebraska Beef Cattle Reports

2014

Articles 31 - 48 of 48

Full-Text Articles in Medicine and Health Sciences

The Effects Of Diet And Cooler Aging On Consumer Panel Scores For Beef, Kimberly A. Varnold, Chris R. Calkins, Rhonda K. Miller Miller, Galen E. Erickson Jan 2014

The Effects Of Diet And Cooler Aging On Consumer Panel Scores For Beef, Kimberly A. Varnold, Chris R. Calkins, Rhonda K. Miller Miller, Galen E. Erickson

Nebraska Beef Cattle Reports

Crossbred steers (n = 64) grazed warm- or cool-season grasses, without or with energy supplementation of wet distillers grains with solubles (WDGS), and were finished on a corn-based diet with or without 35% WDGS. Finishing cattle on WDGS, especially after beingsupplemented with WDGS, caused declinesin flavor desirability scores of L. dorsi steaks. Conversely, grass type was more influential in B. femoris steaks with warm-season grasses generating lower consumer panel scores. Scores were not different from each other when supplementation was provided. It is recommended that producers provide WDGS supplementation and finish on an all-corn diet in order to create the …


Effect Of Feeding Distillers Grains And Supplementing With Dietary Antioxidants On Ground Beef Color During Retail Display, Brandy D. Cleveland, Chad G. Bower, Amy L. Redfield Redfield, Gary A. Sullivan Jan 2014

Effect Of Feeding Distillers Grains And Supplementing With Dietary Antioxidants On Ground Beef Color During Retail Display, Brandy D. Cleveland, Chad G. Bower, Amy L. Redfield Redfield, Gary A. Sullivan

Nebraska Beef Cattle Reports

Ground beef patties from cattle fed corn-based diets with no wet distillers grains (control), wet distillers grains (WDGS), WDGS + 1000 IU/head/day vitamin E, WDGS + 150 ppm/head/day, Ethoxyquin/TBHQ (Agrado Plus, Novus International, St. Louis, Mo.), or WDGS + 500 IU/head/day vitamin E + 150 ppm/head/day Ethoxyquin/TBHQ during the finishing phase were compared to analyze color stability during retail display. As display time increased, patties from all dietary treatments had greater discoloration and became darker, less red, and more yellow. Therefore, beef patties discolored during retail display, but the rate and degree of discoloration were unaffected by diet or antioxidant …


Evaluation Of Genomic Predictors For Red Angus Cattle, Stephen D. Kachman, Matthew L. Spangler Jan 2014

Evaluation Of Genomic Predictors For Red Angus Cattle, Stephen D. Kachman, Matthew L. Spangler

Nebraska Beef Cattle Reports

Purebred Red Angus genotypes, via the Ilumina BovineSNP50 assay, and expected progeny differences (EPD) were used to evaluate the accuracy of genomic predictors for traits that are currently reportedthrough the American Red AngusAssociations’ National Cattle Evaluation. Two genomic predictors were evaluated, one derived using prediction equations from the National Beef Cattle Evaluation Consortium and the other from Zoetis.


Comparison Of Long-Term Progestin-Based Synchronization Protocols On Fixed-Time Ai Pregnancy Rate In Beef Heifers, Rebecca A. Vraspir, Adam F. Summers, Doug O'Hare Hare, Larry D. Rowden, Rick N. Funston Jan 2014

Comparison Of Long-Term Progestin-Based Synchronization Protocols On Fixed-Time Ai Pregnancy Rate In Beef Heifers, Rebecca A. Vraspir, Adam F. Summers, Doug O'Hare Hare, Larry D. Rowden, Rick N. Funston

Nebraska Beef Cattle Reports

Yearling Angus heifers at a commercial ranch in the Nebraska Sandhills were randomly assigned to one of two progestin-based fixed-time AI protocols (MGA or 14-day CIDR) to compare pregnancy rates. Heifers had similar fixed-time AI pregnancy rates between MGA and 14-day CIDR. A similar proportion of MGA and 14-day CIDR heifers displayed a second estrus; however, heifers previously synchronized with MGA tended to have a greater second AI pregnancy rate. Overall pregnancy rate was similar between MGA and 14-day CIDR treatments. The MGA system was the more cost effective synchronization protocol in this study.


Effect Of Distillers Grains Plus Solubles Supplementation On Grazing Cattle Performance, Tyler L. Hasenauer, Terry J. Klopfenstein, James C. Macdonald Donald, Cody J. Schneider, Dirk B. Burken Jan 2014

Effect Of Distillers Grains Plus Solubles Supplementation On Grazing Cattle Performance, Tyler L. Hasenauer, Terry J. Klopfenstein, James C. Macdonald Donald, Cody J. Schneider, Dirk B. Burken

Nebraska Beef Cattle Reports

Yearlings rotationally grazing smooth bromegrass were individually supplemented modified distillers grains plus solubles (MDGS) at .05, 0.4, 0.6, and 0.8% BW. Gain increased quadratically as MDGS level increased. Maximal ADG (2.95 lb/d) was predicted when supplementing level of 0.48% of BW. Economic analysis compared 0, 2, and 5 lb (DM) MDGS supplementation. When cattle ownership was retained through the feeding period, MDGS supplementation was profitable. Supplementation at 2 lb (DM) was more profitable than 5 lb (DM) when MDGS is above $265.63/ton (DM) or 85% the price of $7.50 /bu corn.


Effect Of Winter Supplementation Level On Yearling System Profit Across Economic Scenarios, Kari L. Gillespie, Terry J. Klopfenstein, James C. Macdonald Donald, Brandon L. Nuttelman, Cody J. Schneider Jan 2014

Effect Of Winter Supplementation Level On Yearling System Profit Across Economic Scenarios, Kari L. Gillespie, Terry J. Klopfenstein, James C. Macdonald Donald, Brandon L. Nuttelman, Cody J. Schneider

Nebraska Beef Cattle Reports

Calves backgrounded in a forage–based, yearling system at a greater ADG maintained a performance advantage through finishing. High-level supplemented cattle gained an additional 0.18 lb daily during finishing and produced an additional 81 lb of saleable live weight compared to cattle backgrounded at a low-supplementation level. Across four economic scenarios with varying corn and distillers prices, high-level supplemented cattle returned $55.54 more than cattle fed a low level of supplementation during the winter backgrounding phase. Corn price would have to exceed $11.70/bu for high supplementation level to no longer be profitable.


Replacement Of Grazed Forage And Animal Performance When Distillers Grains Are Fed In A Bunk Or On The Ground On Summer Range, Kari L. Gillespie, L. Aaron Stalker, Terry J. Klopfenstein Klopfenstein, Jerry D. Volesky, Jacki A. Musgrave Jan 2014

Replacement Of Grazed Forage And Animal Performance When Distillers Grains Are Fed In A Bunk Or On The Ground On Summer Range, Kari L. Gillespie, L. Aaron Stalker, Terry J. Klopfenstein Klopfenstein, Jerry D. Volesky, Jacki A. Musgrave

Nebraska Beef Cattle Reports

Forage savings and supplement loss caused by feeding on the ground were estimated when spayed yearling heiferswere fed modified distillers grains with solubles (MDGS) while grazing Sandhills summer range. Across two years, heifers fed 0.6% BW MDGS had 1.39 lb greater ADG and consumed approximately 17% less forage than non-supplemented heifers. Calculated loss of MDGS when fed on the ground was 5.6%. Supplementing MDGS decreased forage consumption approximately 17% and increased summer gains.


Effects Of Forage Quality, Mdgs, And Monensin On Performance, Methane Concentration, And Ruminal Fermentation Of Growing Cattle, Anna C. Pesta, Andrea K. Watson, Samodha Fernando Fernando, Galen E. Erickson Jan 2014

Effects Of Forage Quality, Mdgs, And Monensin On Performance, Methane Concentration, And Ruminal Fermentation Of Growing Cattle, Anna C. Pesta, Andrea K. Watson, Samodha Fernando Fernando, Galen E. Erickson

Nebraska Beef Cattle Reports

A growing study was conducted to evaluate a novel method for measuring methane concentration by feedlot cattle, and to determine the effects of forage quality, inclusion of modified distillers grains plus solubles (MDGS), and presence or absence of monensin on performance, methane concentration, and rumen fermentation characteristics. Performance was improved by use of high-quality forage and MDGS, while response to monensin was variable across basal diet type. Response of methane concentration and volatile fatty acid (VFA) profile due to diet was variable and subject to multiple interactions, reflecting the complexity of the microbial processes involved within the rumen.


Effects Of Winter Supplementation On Cow Performance And Post-Weaning Management On Steer And Heifer Progeny In A Late Spring Calving System, John D. Harms, Rick N. Funston, L. Aaron Stalker Stalker, Jacqueline A. Musgrave, Andrew F. Applegarth, Adam F. Summers Jan 2014

Effects Of Winter Supplementation On Cow Performance And Post-Weaning Management On Steer And Heifer Progeny In A Late Spring Calving System, John D. Harms, Rick N. Funston, L. Aaron Stalker Stalker, Jacqueline A. Musgrave, Andrew F. Applegarth, Adam F. Summers

Nebraska Beef Cattle Reports

The objective of this experiment was to evaluate the effects of winter supplementation while grazing dormant Sandhills winter range or meadow on cow performance and the effects of post-weaning management on steer and heifer progeny. Winter treatment had no effect on cow BCS or BW at precalving, prebreeding, and weaning. Steers and heifers fed hay gained more BW during winter treatment compared to those grazing meadow, but post-weaning management had no subsequent effects on steer or heifer progeny.


Effects Of Increasing Inclusion Of Wet Distillers Grains Plus Solubles With And Without Oil Extraction On Finishing Performance, Melissa L. Jolly, Brandon L. Nuttelman, Dirk Burken Burken, Cody J. Schneider, Terry J. Klopfenstein, Galen E. Erickson Jan 2014

Effects Of Increasing Inclusion Of Wet Distillers Grains Plus Solubles With And Without Oil Extraction On Finishing Performance, Melissa L. Jolly, Brandon L. Nuttelman, Dirk Burken Burken, Cody J. Schneider, Terry J. Klopfenstein, Galen E. Erickson

Nebraska Beef Cattle Reports

A finishing study was conducted to assess the effects of feeding increasing amounts of wet distillers grains plus solubles (WDGS) with and without corn oil removal. Oil removal and WDGS inclusion did not interact. Compared to normal oil, de-oiled WDGS did not impact ADG, F:G, or carcass characteristics. Increasing inclusion of WDGS decreasedDMI and F:G linearly, with no change in ADG. Regardless of inclusion, oil removal via centrifugation had little impact on finishing cattle performance.


Optimum Inclusion Of Alkaline-Treated Cornstalks And Distillers Grains Fed To Calf-Fed Steers, Sarah J. Peterson, Brandon L. Nuttelman, Cody J. Schneider Schneider, Dirk B. Burken, James C. Macdonald, Galen E. Erickson Jan 2014

Optimum Inclusion Of Alkaline-Treated Cornstalks And Distillers Grains Fed To Calf-Fed Steers, Sarah J. Peterson, Brandon L. Nuttelman, Cody J. Schneider Schneider, Dirk B. Burken, James C. Macdonald, Galen E. Erickson

Nebraska Beef Cattle Reports

A finishing study evaluated the effects of adding 10, 20 or 30% CaO treated cornstalks to diets containing either 20 or 40% (DM basis) modified distillersgrains (MDGS). Steers fed a diet containing 40% MDGS responded quadratically with 10 and 20% (DM basis) treated residue having equal and better F:G than feeding 30% treated stalks. However, cattle fed 20% MDGS did not respond as well to treated cornstalks with 10% treated stalks having the lowest F:G, but poorer than the control diet with 5% stalks and 20% MDGS.


Use Of Treated Corn Residues In Growing Diets, Sarah J. Peterson, Dirk B. Burken, James C. Macdonald Donald, Galen E. Erickson Jan 2014

Use Of Treated Corn Residues In Growing Diets, Sarah J. Peterson, Dirk B. Burken, James C. Macdonald Donald, Galen E. Erickson

Nebraska Beef Cattle Reports

A growing study compared the effectsof pelleting corn residue and treating with calcium oxide or calcium hydroxide. All diets contained 60% corn residue, 36% distillers products, and 4% supplement (DM basis). Steers consuming pelleted diets had increased DMI, greater ending BW, but poorer F:G compared to non-pelleted treatments. Diets containing the chemically treated corn stover had increased ADG and lower F:G compared to the non-treated diets. While both pelleting and chemical treatment with CaO increased DMI, and ADG, only the use of CaO improved feed efficiency.


Effect Of Feeding De-Oiled Wet Distillers Grains Plus Solubles On Beef Fatty Acid Profiles, Katherine I. Domenech, Kim A. Varnold, Michelle E. Semler Semler, Michael D. Chao, Tommi F. Jones, Galen E. Erickson, Chris R. Calkins Jan 2014

Effect Of Feeding De-Oiled Wet Distillers Grains Plus Solubles On Beef Fatty Acid Profiles, Katherine I. Domenech, Kim A. Varnold, Michelle E. Semler Semler, Michael D. Chao, Tommi F. Jones, Galen E. Erickson, Chris R. Calkins

Nebraska Beef Cattle Reports

A total of 336 steers were fed one of seven finishing diets: a corn-based control, 35%, 50%, or 65% inclusion of wet distillers grains plus solubles (WDGS), either traditional (full-fat) or de-oiled. At harvest, 15 low USDA Choice carcasses within each dietary treatment (n = 105) were selected to evaluate the effect of diet on the fatty acid profile of strip loin steaks aged seven days. Feeding WDGS increased the amount of polyunsaturated fatty acids (PUFA) in comparison to a corn based diet. Feeding de-oiled WDGS resulted in less PUFA’s than the full-fat WDGS diets. It seems that the removal …


Effect Of Feeding Different Types Of Byproducts And Concentrations Throughout A Beef Growing System On Ground Beef Color And Lipid Oxidation, Joe O. Buntyn, Brandy D. Cleveland, Amy L. Redfield Redfield, James C. Macdonald, Galen E. Erickson, Tommi F. Jones, Ty B. Schmidt, Gary A. Sullivan Jan 2014

Effect Of Feeding Different Types Of Byproducts And Concentrations Throughout A Beef Growing System On Ground Beef Color And Lipid Oxidation, Joe O. Buntyn, Brandy D. Cleveland, Amy L. Redfield Redfield, James C. Macdonald, Galen E. Erickson, Tommi F. Jones, Ty B. Schmidt, Gary A. Sullivan

Nebraska Beef Cattle Reports

The objective of this trial was to evaluate the effect of feeding different concentrations of wet distillers grains during winter backgrounding and either modified wet distillers grains or Sweet Bran® during the finishing phase on ground beef color and lipid oxidation. After a 14 day aging period, ground beef patties were made and placed in a simulated retail display for seven days. There were no overall differences in lipid oxidation between treatments but was a treatment by day interaction for discoloration. Ground beef from heifers finished with modified wet distillers grains discolored at a greater extent when compared to …


Effect Of Micro-Aid® Supplementation On Nitrogen Losses From Manure, Andrea K. Watson, Galen E. Erickson, Terry J. Klopfenstein Klopfenstein, Mike J. Rincker Jan 2014

Effect Of Micro-Aid® Supplementation On Nitrogen Losses From Manure, Andrea K. Watson, Galen E. Erickson, Terry J. Klopfenstein Klopfenstein, Mike J. Rincker

Nebraska Beef Cattle Reports

A 2x2 factorial designed experiment was used to study the effects of Micro-Aid and time on OM and N losses from manure, in a simulated feedlot pen setting. Manure was collected from cattle on a common diet, except for the addition of 1 g Micro-Aid /steer daily. Losses of OM were greater at 60 d than 30 d, and greater for control than Micro-Aid. Nitrogen losses at d 30 were similar between treatments but control pans had greater N losses at d 60. Feeding Micro-Aid to cattle may inhibit N volatilization from manure, enhancing the fertilizer value of manure.


The Effects Of Diet On The Biochemical Constituents Of Beef, Kimberly A. Varnold, Chris R. Calkins, Brandon L. Nuttelman Nuttelman, Lasika S. Senaratne-Lenagala, Justine J. Stevenson, Michelle E. Semler, Michael D. Chao, Tommi F. Jones, Galen E. Erickson Jan 2014

The Effects Of Diet On The Biochemical Constituents Of Beef, Kimberly A. Varnold, Chris R. Calkins, Brandon L. Nuttelman Nuttelman, Lasika S. Senaratne-Lenagala, Justine J. Stevenson, Michelle E. Semler, Michael D. Chao, Tommi F. Jones, Galen E. Erickson

Nebraska Beef Cattle Reports

Crossbred steers (n = 64) were grazed on warm- or cool-season grasses, without or with energy supplementation of wet distillers grains with solubles (WDGS), and were finished on a corn-based diet with or without 35% WDGS. Grass-type was the major contributor in determining the biochemical composition of L. dorsi steaks, with warm-season grasses causing increased concentrations of moisture and zinc and decreased concentrations of magnesium. Aging 28 days instead of 7 days increased pH and caused an increased concentration of carbohydrates, and non-heme and heme iron in B. femoris steaks. Diet, especially grass type, during grazing, can alter the end …


Grass Type, Grazing Supplementation, And Finishing Diets Affect Beef Fatty Acids, Kimberly A. Varnold, Chris R. Calkins, Brandon L. Nuttelman Nuttelman, Lasika S. Senaratne-Lenagala, Tommi F. Jones, Timothy P. Carr, Galen E. Erickson Jan 2014

Grass Type, Grazing Supplementation, And Finishing Diets Affect Beef Fatty Acids, Kimberly A. Varnold, Chris R. Calkins, Brandon L. Nuttelman Nuttelman, Lasika S. Senaratne-Lenagala, Tommi F. Jones, Timothy P. Carr, Galen E. Erickson

Nebraska Beef Cattle Reports

Crossbred steers (n = 64) were grazed on warm- or cool-season grasses, without or with energy supplementation of wet distillers grains with solubles (WDGS), and were finished on a corn-based diet with or without 35% WDGS. Grass type was the major contributor in determining the fatty acid profile, especially in the neutral lipid layer. Warm-season grasses decreased concentrations of most fatty acids compared to cool-season grasses. The provision of WDGS as an energy supplement while grazing dissipated any differences caused by grass type.


The Effects Of Diet And Cooler Aging On Specific Flavor Notes In Beef, Kimberly A. Varnold, Chris R. Calkins, Rhonda K. Miller Miller, Galen E. Erickson Jan 2014

The Effects Of Diet And Cooler Aging On Specific Flavor Notes In Beef, Kimberly A. Varnold, Chris R. Calkins, Rhonda K. Miller Miller, Galen E. Erickson

Nebraska Beef Cattle Reports

Crossbred steers (n = 64) were grazed on warm- or cool-season grass-dominated pastures, without or with energy supplementation of wet distillers grains with solubles (WDGS), and were finished on a corn-based diet with or without 35% WDGS. Finishing on corn increased desirable flavor notes and decreasedundesirable flavor notes in both L. dorsi and B. femoris steaks. In addition, grazing on warm-season grasses increased the prevalence of undesirable flavors but was often dissipated by the addition WDGS supplementation. Longer aging periods tended to increase the prevalence of undesirable flavors, especially in B. femoris steaks. It is recommended producers provide WDGS supplementation, …