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Articles 541 - 570 of 1140
Full-Text Articles in Meat Science
Impact Of Winter Supplementation Of May Calving Cows And Heifer Development System In Two Different Breeding Seasons On Subsequent Growth And Reproduction, Shelby A. Springman, Alicia C. Lansford, Jacqueline A. Musgrave Musgrave, John Nollette, Andy Applegarth, Richard N. Funston
Impact Of Winter Supplementation Of May Calving Cows And Heifer Development System In Two Different Breeding Seasons On Subsequent Growth And Reproduction, Shelby A. Springman, Alicia C. Lansford, Jacqueline A. Musgrave Musgrave, John Nollette, Andy Applegarth, Richard N. Funston
Nebraska Beef Cattle Reports
In Exp. 1, May-calving cows were utilized to evaluate the effects of winter supplementation on heifer progeny. Cows grazed either dormant upland winter range with or without a protein supplement or grazed dormant meadow with or without a protein supplement. In Exp. 2, replacement heifers from March and May calving herds were offered ad libitum meadow hay and 4 lb/d supplement or grazed meadow and offered 1 lb/d supplement from mid-January to mid-April. Calf weaning BW and ADG from birth to weaning was less for calves from cows grazing winter range with no supplement compared with all other dam treatments. …
Effect Of Injectable Trace Mineral On Reproductive Performance In Beef Heifers, Shelby A. Springman, John Maddux, Mary E. Drewnoski Drewnoski, Richard N. Funston
Effect Of Injectable Trace Mineral On Reproductive Performance In Beef Heifers, Shelby A. Springman, John Maddux, Mary E. Drewnoski Drewnoski, Richard N. Funston
Nebraska Beef Cattle Reports
Trace minerals serve an essential role in regulating reproduction. Free-choice trace mineral supplementation is often provided to grazing beef cattle. An injectable trace-mineral solution used with free-choice trace minerals may be beneficial before breeding to improve mineral status. Therefore, Red Angus-based, May-born heifers were utilized to determine the effects of an injectable trace mineral on reproductive performance. Pregnancy rates did not differ between heifers injected with a trace mineral and heifers that received no injection. Injectable trace mineral at CIDR insertion 33 d before artificial insemination did not influence reproductive performance in heifers with adequate trace mineral status.
Evaluating Methods Of Estimating Forage Intake By Grazing Cattle, Aaron J. Shropshire, Walter H. Schacht, Jerry D. Volesky Volesky
Evaluating Methods Of Estimating Forage Intake By Grazing Cattle, Aaron J. Shropshire, Walter H. Schacht, Jerry D. Volesky Volesky
Nebraska Beef Cattle Reports
Two methods of estimating forage intake of grazing cattle were compared to clipped estimates in 4-pasture rotational grazing systems on Sandhills subirrigated meadow from mid-May through early August over a 4-year period. Clipping standing vegetation samples within a pasture before and after cattle grazing provides for an accurate estimate of forage removal during a grazing period. A less laborious method of intake estimation commonly used is based on a percentage of an animal’s liveweight. University Extension and some federal agencies use a 2.3% factor and others such as the Natural Resources Conservation Service use a 2.7% factor. In this study …
Letrozole: A Steroid-Free Estrous Synchronization Method, Sarah M. Romereim, Sarah C. Tenley, Mohamed A. Abedal-Majed Majed, Jeffrey W. Bergman, Scott G. Kurz, John S. Davis, Jennifer R. Wood, Andrea S. Cupp
Letrozole: A Steroid-Free Estrous Synchronization Method, Sarah M. Romereim, Sarah C. Tenley, Mohamed A. Abedal-Majed Majed, Jeffrey W. Bergman, Scott G. Kurz, John S. Davis, Jennifer R. Wood, Andrea S. Cupp
Nebraska Beef Cattle Reports
Most bovine estrous synchronization protocols utilize progesterone plus estrogen to control ovulation timing. A drug that inhibits estrogen production (Letrozole) may be an alternative, steroid-free synchronization method (not yet commercially available). However, low estrogen can negatively affect the health of follicles/oocytes and impact fertility. To determine its effects, Letrozole was administered intramuscularly while tracking follicle growth and circulating hormones. Letrozole response was variable. Two of three cows experienced delayed luteolysis/ovulation and extended progesterone production. This preliminary data indicates that Letrozole treatment allows normal follicle progression but drug response may vary and little is known about effects on oocyte quality.
Impact Of Dietary Fat Source On Beef Display Life, Felipe A. Ribeiro, Katherine I. Domenech-Perez, Emery K. Wilkerson Wilkerson, Hope Voegele, Nicolas J. Herrera, Kellen B. Hart, Chris R. Calkins
Impact Of Dietary Fat Source On Beef Display Life, Felipe A. Ribeiro, Katherine I. Domenech-Perez, Emery K. Wilkerson Wilkerson, Hope Voegele, Nicolas J. Herrera, Kellen B. Hart, Chris R. Calkins
Nebraska Beef Cattle Reports
This study was conducted to evaluate the effects of dietary fat source with modified distillers grains plus solubles (MDGS) on beef display life. Steers were fed either a corn control, full-fat MDGS, de-oiled MDGS, or de-oiled MDGS plus corn oil diet. Strip loins were aged for 2, 9, 16 and 23 days and placed under retail conditions for 7 days. Results suggest that feeding MDGS to cattle increases polyunsaturated fatty acid content of beef and has the potential to reduce beef color and lipid stability in comparison to corn diets. These data indicate that feeding MDGS to cattle may decrease …
Using A Cured Meat Model System To Investigate Factors That Influence Cured Color Development, Jennifer A. Posthuma, Faith D. Rasmussen, Gary A. Sullivan Sullivan
Using A Cured Meat Model System To Investigate Factors That Influence Cured Color Development, Jennifer A. Posthuma, Faith D. Rasmussen, Gary A. Sullivan Sullivan
Nebraska Beef Cattle Reports
Producing cured meats manufactured with natural ingredients could impact cured meat characteristics, including color. The objective of this study was to determine the effects of nitrite source (sodium nitrite or cultured celery juice powder), reducing agents (no reducing compound or sodium erythorbate/ ascorbic acid), and holding times prior to cooking on cured color development in a meat model system. The addition of reducing compounds had the largest impact on cured color development and reduced residual nitrite in a cured meat model system. Treatments cured with sodium nitrite had slightly greater cured color development than treatments cured with celery juice powder. …
Repeated Calm Handling Can Lead To More Docile Cattle, Jamie T. Parham, Amy E. Tanner, Mark L. Wahlberg Wahlberg, W. S. Swecker Jr., Ronald M. Lewis
Repeated Calm Handling Can Lead To More Docile Cattle, Jamie T. Parham, Amy E. Tanner, Mark L. Wahlberg Wahlberg, W. S. Swecker Jr., Ronald M. Lewis
Nebraska Beef Cattle Reports
Changes in temperament in heifers when handled either frequently or infrequently were evaluated subjectively based on their behavior when restrained in (chute score) and exiting from (exit score) a squeeze chute. Chute scores decreased over time–a favorable direction–with more dramatic declines in heifers handled more frequently. Heifers with higher chute scores on the first day of handling had the largest reduction in score. Exit scores changed less over time. Chute score therefore may be more indicative of acclimation to a novel environment than exit score. Both scores appear to offer a fast, easy and inexpensive way to quantify docility in …
Rumen Undegradable Protein Content And Digestibility Of Corn Silage And High-Moisture Corn, Colton R. Oney, Jana L. Gramkow, F. Henry Hilscher Hilscher, Elizabeth Schumacher, Andrea K. Watson, Galen E. Erickson, Jim C. Macdonald, Terry J. Klopfenstein
Rumen Undegradable Protein Content And Digestibility Of Corn Silage And High-Moisture Corn, Colton R. Oney, Jana L. Gramkow, F. Henry Hilscher Hilscher, Elizabeth Schumacher, Andrea K. Watson, Galen E. Erickson, Jim C. Macdonald, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
Two studies were conducted to determine rumen undegradable protein (RUP) content and digestibility in corn silage. In Exp. 1, 37 and 42% DM corn silage were incubated in situ with two ruminally and one duodenally cannulated steer to calculate RUP content and RUP digestibility. In Exp. 2, dry rolled corn was reconstituted to 75, 70, 65, and 50% DM and ensiled in mini silos for 30, 90, 180, or 270 days. After ensiling, samples were ruminally incubated to determine RUP content of the grain. The grain within corn silage is less than 50% DM, as moisture content increases and time …
The Effect Of Inoculants On Nutrient Losses Of Corn Silage And High-Moisture Corn Stored In Mini Silos, Colton R. Oney, Jana L. Gramkow, Andrea K. Watson Watson, Galen E. Erickson, Jim C. Macdonald, M. K. Biddlecome
The Effect Of Inoculants On Nutrient Losses Of Corn Silage And High-Moisture Corn Stored In Mini Silos, Colton R. Oney, Jana L. Gramkow, Andrea K. Watson Watson, Galen E. Erickson, Jim C. Macdonald, M. K. Biddlecome
Nebraska Beef Cattle Reports
Two experiments were conducted to determine the effects of inoculants (BONSILAGE CORN 200G and BONSILAGE HMC 200G) containing Lactobacillus buchneri, Lactobacillus plantarum and Pediococcus acidilactici on nutrient losses and aerobic stability of corn silage and high moisture corn. Corn silage and high moisture corn were inoculated and stored in mini silos with nutrient loss and spoilage characterizations at 30, 90, and 120 days with multiple inoculation levels. Longer ensiling times led to greater total acid production. The higher levels of inoculation led to lower total acid production and higher pH. Inoculating corn silage and high moisture corn also affected …
Effect Of Revalor-Xr And Revalor-Xh On Heifer Performance And Carcass Characteristics, Caitlin A. Ohnoutka, Bradley M. Boyd, F. Henry Hilscher Hilscher, Grant I. Crawford, Brandon L. Nuttleman, Galen E. Erickson
Effect Of Revalor-Xr And Revalor-Xh On Heifer Performance And Carcass Characteristics, Caitlin A. Ohnoutka, Bradley M. Boyd, F. Henry Hilscher Hilscher, Grant I. Crawford, Brandon L. Nuttleman, Galen E. Erickson
Nebraska Beef Cattle Reports
A feedlot study evaluated the effects of 4 implant strategies (Revalor-XR on day 1, Revalor-XH on day 1, Revalor-200 on day 1, and Revalor-200 on day 70) on growth performance and carcass characteristics of feedlot heifers compared to non-implanted heifers fed 198 days. Intake was not impacted by treatments. Implanted cattle had greater carcass-adjusted ADG and lower F:G compared to cattle that received no implant. Implanted treatments had significantly greater HCW, dressing percentages, and lower marbling scores compared to non-implanted cattle. Heifers implanted with Revalor-XR, Revalor-XH, and Revalor-200 on day 70 had larger LM area resulting in lower calculated yield …
Late Summer Planted Oat-Brassica Forage Quality Changes During Winter Grazing, Mary E. Lenz, Jordan L. Cox, Kristin E. Hales Hales, Hannah C. Wilson, Mary E. Drewnoski
Late Summer Planted Oat-Brassica Forage Quality Changes During Winter Grazing, Mary E. Lenz, Jordan L. Cox, Kristin E. Hales Hales, Hannah C. Wilson, Mary E. Drewnoski
Nebraska Beef Cattle Reports
Oat, radish, and turnip samples were taken on pivots being grazed from November through January in Clay Center, Nebraska. The objective was to determine how the quality changed throughout the winter. The forage was observed to be high-quality (highly digestibility with moderate CP content). Digestibility did decline over this period but minimal changes in CP content were observed. From early November to early January, the digestibility of oats appeared to decline more (10% unit decline) than turnip and radish leaves (5% unit decrease). However, digestibility (67% IVOMD) and CP content (15%) of oats in early January were still as high …
Comparison Of Two Alternate Prostaglandin Products In Yearling Beef Heifers, Alicia C. Lansford, Tonya L. Meyer, Richard N. Funston Funston
Comparison Of Two Alternate Prostaglandin Products In Yearling Beef Heifers, Alicia C. Lansford, Tonya L. Meyer, Richard N. Funston Funston
Nebraska Beef Cattle Reports
Yearling heifers were administered 1 of 2 alternate prostaglandin products (Lutalyse vs. Lutalyse HighCon), which differ in concentration of active ingredient and administration route. Timing of estrus, pregnancy rate to AI, and final pregnancy rate did not differ between treatments. Body weight and ADG were also not affected by prostaglandin treatment. These results indicate producers can utilize Lutalyse HighCon, administered subcutaneously (s.c.), to avoid injection site blemishes and reduce carcass discounts with no impact on estrus synchronization or pregnancy rates.
Impact Of Syngenta Enogen Feed Corn On Finishing Cattle Performance And Carcass Characteristics, Melissa L. Jolly-Breithaupt, Curtis J. Bittner, F. Henry Hilscher Hilscher, Galen E. Erickson, James C. Macdonald, Matt K. Luebbe
Impact Of Syngenta Enogen Feed Corn On Finishing Cattle Performance And Carcass Characteristics, Melissa L. Jolly-Breithaupt, Curtis J. Bittner, F. Henry Hilscher Hilscher, Galen E. Erickson, James C. Macdonald, Matt K. Luebbe
Nebraska Beef Cattle Reports
Two finishing experiments were conducted to evaluate Syngenta Enogen Feed Corn containing an alpha amylase enzyme trait compared to the near negative isoline control corn at two locations on cattle performance and carcass characteristics. No statistical differences were observed for final BW, DMI, ADG, or F:G for steers fed Syngenta Enogen Feed Corn versus the near negative isoline control corn. Fat depth and calculated yield grade were greater for steers fed Syngenta Enogen Feed Corn; however, HCW and marbling scores were not different. Previous research has observed a 2.6% to 16.4% decrease in F:G when Syngenta Enogen Feed Corn was …
Chopped Sugar Beets As A Component Of Beef Cow Diets, Karla H. Jenkins, Jacob A. Hansen
Chopped Sugar Beets As A Component Of Beef Cow Diets, Karla H. Jenkins, Jacob A. Hansen
Nebraska Beef Cattle Reports
Sugar beets not accepted for human consumption were evaluated as an energy source in a limit fed ration for confined beef cows. Initial and final body weight and body condition score were not different between wheat straw based diets containing wet distillers grains and either chopped sugar beets or corn. Body condition score change tended to be greater for the diet containing corn. However, cows on both treatments finished the study with a body condition score of 5.7. Chopped sugar beets mixed with wheat straw and stored in an agricultural bag underwent ensiling and did not result in choking issues. …
Evaluation Of Brown Midrib Corn Silage For Growing And Backgrounding Beef Steers, F. Henry Hilscher, Curtis J. Bittner, John N. Anderson Anderson, Galen E. Erickson
Evaluation Of Brown Midrib Corn Silage For Growing And Backgrounding Beef Steers, F. Henry Hilscher, Curtis J. Bittner, John N. Anderson Anderson, Galen E. Erickson
Nebraska Beef Cattle Reports
A growing study evaluated three corn silage hybrids for growing crossbred steers. The three hybrids were: a standard corn silage hybrid which served as the control, a brown midrib hybrid, and an experimental brown mid rib hybrid with a softer endosperm. Intake, ADG, and ending BW were greater for steers fed either brown mid rib silage compared to control, but not different between the brown mid rib or experimental brown mid rib silage. While brown mid rib hybrids had greater DMI and ADG, there was no difference in F:G between all three treatments. Feeding brown mid rib hybrids as corn …
Evaluation Of Corn Silage Hybrids With The Brown Midrib Trait And Silage Inclusion For Finishing Cattle, F. Henry Hilscher, Curtis J. Bittner, John N. Anderson Anderson, Galen E. Erickson
Evaluation Of Corn Silage Hybrids With The Brown Midrib Trait And Silage Inclusion For Finishing Cattle, F. Henry Hilscher, Curtis J. Bittner, John N. Anderson Anderson, Galen E. Erickson
Nebraska Beef Cattle Reports
A finishing study evaluated three corn silage hybrids fed at either 15 or 45% of diet DM for finishing steers. The three hybrids were a standard corn silage hybrid which served as the control, a brown midrib hybrid and an experimental brown midrib hybrid with a softer endosperm. An interaction was observed between hybrid and silage inclusion. Gain and HCW were greater for steers fed the experimental brown midrib compared to other two hybrids when fed at 15%. Feeding brown midrib hybrids at 45% of the diet DM resulted in greater ADG and HCW when compared to a control corn …
Nutrient Digestibility And Fermentation Of Brown Midrib Corn Fed To Growing Beef Steers, F. Henry Hilscher, Melissa L. Jolly-Breithaupt, Jana L. Gramkow Gramkow, Hannah C. Wilson, Mitch M. Norman, John N. Anderson, Galen E. Erickson
Nutrient Digestibility And Fermentation Of Brown Midrib Corn Fed To Growing Beef Steers, F. Henry Hilscher, Melissa L. Jolly-Breithaupt, Jana L. Gramkow Gramkow, Hannah C. Wilson, Mitch M. Norman, John N. Anderson, Galen E. Erickson
Nebraska Beef Cattle Reports
A digestion study evaluated three corn silage hybrids for growing crossbred steers. The three hybrids were: a standard corn silage hybrid which served as the control, a brown midrib hybrid (bm3), and an experimental bm3 hybrid with a softer endosperm. Both bm3 hybrids had greater organic matter and fiber digestibility compared to the control corn silage. However, no differences were observed between the two bm3 hybrids. Rumen pH was reduced for BM3 and BM3-EXP compared to the control suggesting greater rumen fermentation. In vitro gas production was increased for the bm3 hybrids compared to the control further supporting greater rumen …
The Relationship Between Marbling, Superoxide Dismutase, And Beef Tenderness, Nicolas J. Herrera, Emery K. Wilkerson, Katherine I. Domenech-Perez Perez, Felipe A. Ribeiro, Michael D. Chao, Chris Calkins
The Relationship Between Marbling, Superoxide Dismutase, And Beef Tenderness, Nicolas J. Herrera, Emery K. Wilkerson, Katherine I. Domenech-Perez Perez, Felipe A. Ribeiro, Michael D. Chao, Chris Calkins
Nebraska Beef Cattle Reports
This study was conducted to evaluate the relationships between animal oxidative status (as indicated by superoxide dismutase [SOD] activity) to marbling and beef tenderness. Prime and Select-grade strip loins were selected and aged for 2, 7, 14, 21, and 28 days for Warner Bratzler shear force, Troponin-T, and SOD activity. Results showed that meat exhibiting higher levels of marbling had lower shear force values and thus were more tender. Low-marbled samples tended to have a greater tenderness response to aging. The effect of oxidative stress, however, was not evident in this study as SOD values were similar. Although the effects …
Evaluation Of Corn Distillers Solubles On Finishing Steer Performance, Benjamin H. Hansen, Curtis J. Bittner, Bradley M. Boyd Boyd, F. Henry Hilscher, Jim C. Macdonald, Galen E. Erickson
Evaluation Of Corn Distillers Solubles On Finishing Steer Performance, Benjamin H. Hansen, Curtis J. Bittner, Bradley M. Boyd Boyd, F. Henry Hilscher, Jim C. Macdonald, Galen E. Erickson
Nebraska Beef Cattle Reports
A finishing study was conducted to evaluate the effects of feeding 0, 8, 16, or 20% corn distillers solubles (CDS), as well as the effects of feeding a combination of 16% CDS and 20% wet distillers grains plus solubles (WDGS) to replace a blend of dry-rolled and high-moisture corn on finishing steer performance. As inclusions of CDS increased, ADG linearly increased and F:G linearly decreased. Feeding value of CDS at 20% inclusion was determined to be 147% compared to the corn blend. The addition of WDGS resulted in a decrease in DMI with similar ADG, resulting in a decrease in …
Effect Of Myoglobin State On Color Stability Of High Pressure Processed Ground Beef, Jhinuk Gupta, Chad G. Bower, George A. Cavender Cavender, Gary A. Sullivan
Effect Of Myoglobin State On Color Stability Of High Pressure Processed Ground Beef, Jhinuk Gupta, Chad G. Bower, George A. Cavender Cavender, Gary A. Sullivan
Nebraska Beef Cattle Reports
High pressure processing, a non-thermal pasteurization technique, can reduce E. coli in beef but the use is limited due to discoloration of raw beef after high pressure processing. Different states of myoglobin have inherently different color stability. The objective of this study was to determine the impact of myoglobin state on color stability of raw beef patties treated with high pressure processing. Modified atmosphere packaging (high oxygen-oxymyoglobin, carbon monoxide-carboxymyoglobin), vacuum packaging (deoxymyoglobin) or added potassium ferricyanide (metmyoglobin) treatments were used to prepare patties with desired myoglobin states. Color was measured (CIE L*, a*, b*) before and after high pressure processing …
Effect Of Ingredients And Packaging On Color Of High Pressure Processed Ground Beef, Jhinuk Gupta, Chad G. Bower, George A. Cavender Cavender, Gary A. Sullivan
Effect Of Ingredients And Packaging On Color Of High Pressure Processed Ground Beef, Jhinuk Gupta, Chad G. Bower, George A. Cavender Cavender, Gary A. Sullivan
Nebraska Beef Cattle Reports
High pressure processing is a non-thermal pasteurization technique to control pathogens, like E. coli. However, color changes in raw beef induced by processing restrict high pressure processing’s use within the beef industry. The objectives of this study were to investigate the effects of adding curing agents (nitrite) and packaging with or without reducing compounds (ascorbic acid/erythorbate) on color retention in high pressure processed ground beef. High pressure processing resulted in a detrimental effect on the color of the beef patties for all treatments. Lightness and yellowness increased and redness decreased after high pressure processing. The effect remained the same throughout …
Effects Of Production System On Cow And Calf Performance, Shelby E. Gardine, Jason M. Warner, Robert G. Bondurant Bondurant, F. Henry Hilscher, Karla H. Jenkins, Galen E. Erickson, Terry J. Klopfenstein
Effects Of Production System On Cow And Calf Performance, Shelby E. Gardine, Jason M. Warner, Robert G. Bondurant Bondurant, F. Henry Hilscher, Karla H. Jenkins, Galen E. Erickson, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
Limited traditional forage resources have prompted interest for alternative cow-calf production systems. This study evaluated the effects of two winter cow-calf production systems (cornstalk grazing and dry-lot feeding) on cow-calf performance in a summer-calving, intensively managed cowherd at two locations. Grazing cow-calf pairs on cornstalks resulted in similar or lower ending BW of cows and lower ADG of calves when compared to cow-calf pairs wintered in the dry-lot. A partial budget of incorporating winter cornstalk grazing into an intensive production system suggests that cows wintered on cornstalks may be $137 more profitable compared to cows wintered in the dry-lot.
Effects Of Production System And Post-Weaning Management On Finishing Performance And Carcass Characteristics Of Steer And Heifer Calves, Shelby E. Gardine, Bradley M. Boyd, Curtis J. Bittner Bittner, F. Henry Hilscher, Karla H. Jenkins, Galen E. Erickson, Terry J. Klopfenstein
Effects Of Production System And Post-Weaning Management On Finishing Performance And Carcass Characteristics Of Steer And Heifer Calves, Shelby E. Gardine, Bradley M. Boyd, Curtis J. Bittner Bittner, F. Henry Hilscher, Karla H. Jenkins, Galen E. Erickson, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
This study evaluated the effects of cow-calf production system and post-weaning management on finishing performance and carcass characteristics of steer and heifer calves. Calves that were wintered on cornstalks prior to weaning had lighter initial BW compared to calves that were wintered in the dry-lot; however, final BW and carcass weight were similar between treatments. Post-weaning management was either adapting calves to a finishing diet following weaning or feeding a grower diet prior to the finishing phase. When harvested at similar back fat, calves that were fed a grower diet for 76 days prior to the finishing phase had 71 …
Evaluation Of Protein From Distillers Grains In Finishing Diets On Nutrient Digestibility, Zachary E. Carlson, Jana L. Gramkow, Hannah C. Wilson Wilson, Melissa L. Jolly-Breithaupt, Galen E. Erickson, Jim C. Macdonald, Matt K. Luebbe
Evaluation Of Protein From Distillers Grains In Finishing Diets On Nutrient Digestibility, Zachary E. Carlson, Jana L. Gramkow, Hannah C. Wilson Wilson, Melissa L. Jolly-Breithaupt, Galen E. Erickson, Jim C. Macdonald, Matt K. Luebbe
Nebraska Beef Cattle Reports
A metabolism trial was conducted to evaluate protein from modified distillers grains plus solubles (MDGS) in finishing diets on nutrient digestibility and ruminal fermentation characteristics. Isolated protein from corn was not different than MDGS for dry matter, organic matter, or neutral detergent fiber digestibility. However, steers fed MDGS tended to have lower total tract organic matter digestibility compared to corn and protein from corn. Protein had greater total tract organic matter and starch digestibility than MDGS. Protein from corn did not contribute towards the lower digestibility of MDGS. Protein is more easily digestible than the other components in distillers grains …
Production Of High-Quality Beef–The Nebraska Advantage, Chris R. Calkins
Production Of High-Quality Beef–The Nebraska Advantage, Chris R. Calkins
Nebraska Beef Cattle Reports
Here is a clear description of the Nebraska Advantage in producing high-quality beef: the right genetics, numerous pastures, a multitude of cattle, great water resources, locally-grown corn, the availability of ethanol byproducts for feed, and young cattle that grow fast, with sufficient marbling and subcutaneous fat to ensure tender, flavorful, beef. The science of beef quality supports this production system. The state supports its citizens and agriculture through the University of Nebraska and the Nebraska Department of Agriculture, augmenting the infrastructure. If one could invent an ideal place to produce high-quality beef, it would look much like Nebraska! The impact …
Potential Variation In Determination Of Longissimus Muscle Area In Carcasses From Heifers Fed With Or Without Zilpaterol Hydrochloride, Chris R. Calkins, Jenna J. O'Daniel, Govindarajan Konda Naganathan Naganathan, Kellen B. Hart, Katherine I. Domenech-Perez, T.B. Schmidt
Potential Variation In Determination Of Longissimus Muscle Area In Carcasses From Heifers Fed With Or Without Zilpaterol Hydrochloride, Chris R. Calkins, Jenna J. O'Daniel, Govindarajan Konda Naganathan Naganathan, Kellen B. Hart, Katherine I. Domenech-Perez, T.B. Schmidt
Nebraska Beef Cattle Reports
This study was conducted to evaluate some sources of potential variation in determination of longissimus muscle area between the 12th and 13th ribs of carcasses from heifers fed with or without zilpaterol hydochloride. Cross sections of the rib-loin were taken cranial to the 11th rib and caudal to the 13th rib, about 3–4 millimeters thick at 90 degrees perpendicular to the long axis of the longissimus muscle. Potential variation of longissimus muscle area can arise from the natural variation of muscle size when cutting between the 12th and 13th ribs (up to 9%). Deviation in cutting perpendicular to the long …
Impact Of Feeding Distillers Grains With Or Without Oil Removal As Well As Supplemental Corn Oil On Nutrient Digestibility By Finishing Cattle, Jordan E. Burhoop, Melissa L. Jolly-Breithaupt, Jana L. Gramkow Gramkow, Matthew K. Luebbe, Jim C. Macdonald, Galen E. Erickson
Impact Of Feeding Distillers Grains With Or Without Oil Removal As Well As Supplemental Corn Oil On Nutrient Digestibility By Finishing Cattle, Jordan E. Burhoop, Melissa L. Jolly-Breithaupt, Jana L. Gramkow Gramkow, Matthew K. Luebbe, Jim C. Macdonald, Galen E. Erickson
Nebraska Beef Cattle Reports
A digestion trial was conducted to determine the effects of the removal of corn oil from modified distillers grains plus solubles (MDGS) and the impact of supplemental corn oil on finishing cattle nutrient digestion. Four treatments were evaluated: a corn control diet (CON), 40% de-oiled MDGS (DO MDGS), or 38% de-oiled MDGS plus 2% corn oil (MDGS + Oil) formulated to equal the fat content of FF MDGS, or 40% full fat MDGS (FF MDGS). Treatment differences were observed for digestibility of dry matter, organic matter, and fiber, but not for fat. When oil was added to de-oiled MDGS, digestibility …
Effects Of Late Gestation Supplementation, Synchronization, And Creep Feeding In A Spring Calving Beef Herd In The Nebraska Sandhills, Devin Broadhead, L. A. Stalker, Jacki A. Musgrave Musgrave, Richard N. Funston
Effects Of Late Gestation Supplementation, Synchronization, And Creep Feeding In A Spring Calving Beef Herd In The Nebraska Sandhills, Devin Broadhead, L. A. Stalker, Jacki A. Musgrave Musgrave, Richard N. Funston
Nebraska Beef Cattle Reports
Supplementation during winter grazing increased cow BW and BCS but had no effect on reproduction or calf performance, thus increasing production costs without increasing returns. Using a CIDR for estrus synchronization in a herd with existing acceptable reproductive performance did not increase cow pregnancy rate or advance calving date. Feeding creep feed to calves is an effective means of increasing weaning BW which resulted in increased live and carcass weight. Under the conditions of this study, when additional feed and price slide for heavier calves was considered, feeding creep feed did not result in added profits.
Field Evaluations Of Insecticide Modes Of Action Classes For Control Of Horn Flies In Nebraska, David J. Boxler, Gary J. Brewer, Richard N. Funston Funston, Jacqueline A. Musgrave
Field Evaluations Of Insecticide Modes Of Action Classes For Control Of Horn Flies In Nebraska, David J. Boxler, Gary J. Brewer, Richard N. Funston Funston, Jacqueline A. Musgrave
Nebraska Beef Cattle Reports
Insecticides of different Mode of Action (MoA) classes were tested for their ability to reduce horn fly populations on cattle in Nebraska pastures between 2009 and 2016. Macrocyclic lactone products were the most efficacious, reducing horn fly numbers by an average of 93% over ten location years of testing. Organophosphate and pyrethroid MoA products, tested in 7 and 12 location years, reduced fly numbers by 75% and 73%. Classes tested only once were METI (88% reduction) and a combination of organophosphate + pyrethroid (64%).
Evaluation Of Revalor-Xh For Beef Heifers Fed Different Days On Feed, Robert G. Bondurant, Marshall N. Streeter, Galen E. Erickson Erickson, James C. Macdonald, Matt K. Luebbe
Evaluation Of Revalor-Xh For Beef Heifers Fed Different Days On Feed, Robert G. Bondurant, Marshall N. Streeter, Galen E. Erickson Erickson, James C. Macdonald, Matt K. Luebbe
Nebraska Beef Cattle Reports
Heifers were treated with either no implant, an initial implant of Revalor-200 and re-implanted with Revalor-200, or Revalor-XH and assigned to one of four serial slaughter harvests at 151, 165, 179, and 193 days on feed to determine the effects on feedlot performance and carcass characteristics. Implanting heifers increased final BW, ADG and HCW while decreasing marbling score and improving feed efficiency compared to non-implanted heifers. Increasing days on feed decreased ADG while increasing feed efficiency, HCW, fat thickness, marbling score, and calculated yield grade. By increasing HCW sold, implanting revenue can be maximized, assuming added risk for YG discounts.