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Articles 1 - 30 of 57
Full-Text Articles in Veterinary Preventive Medicine, Epidemiology, and Public Health
Access To Veterinary Care: Barriers, Current Practices, And Public Policy, Access To Veterinary Care Coalition
Access To Veterinary Care: Barriers, Current Practices, And Public Policy, Access To Veterinary Care Coalition
Faculty Publications and Other Works -- Small Animal Clinical Sciences
Pets have become an integral part of our families with over 80% of pet owners reporting that they consider their pets to be a member of their family. An estimated 29 million dogs and cats live in families that participate in the Supplemental Nutrition Assistance Program. There are also middle-class families that live paycheck to paycheck, with limited funds for veterinary care. These families deserve the companionship of pets to enjoy the mental, physical, and emotional benefits that come from this human-animal bond.
Through a grant from Maddie’s Fund®, the Access to Veterinary Care Coalition (AVCC) commissioned a national …
Rapid Identification And Typing Of Mycobacterium Avium Complex Using Matrix Assisted Laser Desorption/Ionization Time-Of-Flight Mass Spectrometry (Maldi-Tof) Library And Biomarker Based Approaches., Claudia Antonika, John Dustin Loy, Raul Barletta, Michael Collins
Rapid Identification And Typing Of Mycobacterium Avium Complex Using Matrix Assisted Laser Desorption/Ionization Time-Of-Flight Mass Spectrometry (Maldi-Tof) Library And Biomarker Based Approaches., Claudia Antonika, John Dustin Loy, Raul Barletta, Michael Collins
UCARE Research Products
Bacteria associated with the Mycobacterium avium complex (MAC) cause significant problems in animal agriculture and cause large economic losses and morbidity of livestock. Two clinically important subspecies of M. avium are M.avium ssp paratuberculosis (MAP) and M. avium ssp hominissuis (MAH). MAP is the etiologic agent of Johne’s disease, a chronic and fatal enteritis in ruminants, that has been linked to Crohn’s disease in humans.1 MAH has zoonotic potential as it is one of the leading causes of secondary infections in AIDS patients. Identification of M. avium in clinical samples is challenging as they have overlapping host ranges and clinical …
Streptococcus Equi Infections In Horses: Guidelines For Treatment, Control, And Prevention Of Strangles—Revised Consensus Statement, A. G. Boyle, John F. Timoney, J. R. Newton, M. T. Hines, A. S. Waller, B. R. Buchanan
Streptococcus Equi Infections In Horses: Guidelines For Treatment, Control, And Prevention Of Strangles—Revised Consensus Statement, A. G. Boyle, John F. Timoney, J. R. Newton, M. T. Hines, A. S. Waller, B. R. Buchanan
Maxwell H. Gluck Equine Research Center Faculty Publications
This consensus statement update reflects our current published knowledge and opinion about clinical signs, pathogenesis, epidemiology, treatment, complications, and control of strangles. This updated statement emphasizes varying presentations in the context of existing underlying immunity and carrier states of strangles in the transmission of disease. The statement redefines the “gold standard” for detection of possible infection and reviews the new technologies available in polymerase chain reaction diagnosis and serology and their use in outbreak control and prevention. We reiterate the importance of judicious use of antibiotics in horses with strangles. This updated consensus statement reviews current vaccine technology and the …
Reducing The Risk Of Invasive Pathogens To Wildlife Health In The United States, Edward E. Clark Jr., Marshall Meyers, David Eldon Starling, Brent Stewart, Nathan Stone, Gary Tabor, Jeffrey S. White
Reducing The Risk Of Invasive Pathogens To Wildlife Health In The United States, Edward E. Clark Jr., Marshall Meyers, David Eldon Starling, Brent Stewart, Nathan Stone, Gary Tabor, Jeffrey S. White
National Invasive Species Council
Call to Action
In keeping with action items 4.3.1 and 4.3.2 of the 2016–2018 National Invasive Species Council (NISC) Management Plan, the Wildlife Health Task Team of the Invasive Species Advisory Committee (ISAC) was charged with: 1) identifying the major areas of vulnerability to native wildlife from the introduction and spread of invasive pathogens, and 2) making recommendations to address these vulnerabilities, including through potential changes in statute, regulation, policy, or practice of the relevant agencies.
An Epidemiologic Study Of Antimicrobial Resistance Of Staphylococcus Species Isolated From Equine Samples Submitted To A Diagnostic Laboratory, Ronita Adams, Jackie Smith, Stephan Locke, Erica Phillips, Erdal Erol, Craig N. Carter, Agricola Odoi
An Epidemiologic Study Of Antimicrobial Resistance Of Staphylococcus Species Isolated From Equine Samples Submitted To A Diagnostic Laboratory, Ronita Adams, Jackie Smith, Stephan Locke, Erica Phillips, Erdal Erol, Craig N. Carter, Agricola Odoi
Veterinary Science Faculty Publications
Background
Antimicrobial resistance limits traditional treatment options and increases costs. It is therefore important to estimate the magnitude of the problem so as to provide empirical data to guide control efforts. The aim of this study was to investigate the burden and patterns of antimicrobial resistance (AMR) among equine Staphylococcus samples submitted to the University of Kentucky Veterinary Diagnostic Laboratory (UKVDL) from 1993 to 2009. Retrospective data of 1711 equine Staphylococcus samples submitted to the UKVDL during the time period 1993 to 2009 were included in the study. Antimicrobial susceptibility testing, that included 16 drugs, were performed using cultures followed …
Supplementing Rumen Undegradable Protein To Grazing Cattle, Braden C. Troyer, Bradley M. Boyd, Andrea K. Watson Watson, Terry J. Klopfenstein
Supplementing Rumen Undegradable Protein To Grazing Cattle, Braden C. Troyer, Bradley M. Boyd, Andrea K. Watson Watson, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
A pooled-analysis of previous Nebraska Beef Report Articles examined the impact of rumen undegradable protein (RUP) supplementation for cattle grazing different types of forage. Each lb of RUP supplement increased ADG by 0.63 lb/d when cattle were grazing smooth brome and 0.43 lb/d when grazing warm season grasses. Cattle did not respond to RUP when grazing summer annuals which were high (18.2%) in CP.
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.
The Effect Of Harvest Method And Ammoniation Of Corn Residue On Growing Calf Performance, Ashley C. Conway, Robert G. Bondurant, F. Henry Hilscher Hilscher, James C. Macdonald, Terry J. Klopfenstein, Mary Drewnoski
The Effect Of Harvest Method And Ammoniation Of Corn Residue On Growing Calf Performance, Ashley C. Conway, Robert G. Bondurant, F. Henry Hilscher Hilscher, James C. Macdonald, Terry J. Klopfenstein, Mary Drewnoski
Nebraska Beef Cattle Reports
A growing trial was conducted to determine the effect of feeding baled corn residue harvested using three different methods, with and without ammoniation of the residue. Residue harvested with the New Holland Cornrower™ with two rows of chopped stem added to the windrow resulted in a 9% increase in ADG compared to conventional rake and bale harvest or turning off the combine spreader and baling tailing. Ammoniation of residue increased ADG 67% (increase of 1.1 lb/d) over non-ammoniated residue. Feed efficiency was not affected by harvest method, but ammoniation decreased F:G by 13% compared to cattle fed non-ammoniated residue. Although …
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 …
2018 Nebraska Beef Cattle Report (Complete)
2018 Nebraska Beef Cattle Report (Complete)
Nebraska Beef Cattle Reports
Contents
Cow/Calf: Analyses of Birthdate and Growth in Beef Heifers Categorized by Puberty and Pregnancy Status • Letrozole: A Steroid-Free Estrous Synchronization Method • Comparison of Two Alternate Prostaglandin Products in Yearling Beef Heifers • Impact of Pre-and Postpartum Nutrition on March-calving Cow and Progeny Productivity • Effects of Late Gestation Supplementation, Synchronization, and Creep Feeding in a Spring Calving Beef Herd in the Nebraska Sandhills • Effect of Supplementation during the Breeding Season on a May-calving Herd in the Nebraska Sandhills • Impact of Winter Supplementation of May Calving Cows and Heifer Development System in Two Different Breeding Seasons …
Effect Of Backgrounding System On Performance And Profitability Of Yearling Beef Steers, Cody A. Welchons, Robby G. Bondurant, F. Henry Hilscher Hilscher, Andrea K. Watson, Galen E. Erickson, Jim C. Macdonald
Effect Of Backgrounding System On Performance And Profitability Of Yearling Beef Steers, Cody A. Welchons, Robby G. Bondurant, F. Henry Hilscher Hilscher, Andrea K. Watson, Galen E. Erickson, Jim C. Macdonald
Nebraska Beef Cattle Reports
Five summer management strategies were compared following grazing corn residue through winter. Cattle were assigned to be 1) summer finished, 2) graze bromegrass, 3) graze bromegrass and fed distillers grains at 0.6% of BW, 4) backgrounded in a drylot pen to gain 1.70 lb/d, or 5) backgrounded in a drylot pen to gain 2.35 lb/d. Results differed by year, however, in general as backgrounding ADG increased, days required on feed to reach an equal fat endpoint decreased. In year 1, ADG of cattle grazing bromegrass was less than cattle backgrounded in pens. There was no difference in finishing ADG for …
Effect Of Continuous Or Rotational Grazing On Growing Steer Performance And Land Production, Cody A. Welchons, Robby G. Bondurant, F. Henry Hilscher Hilscher, Terry J. Klopfenstein, Andrea K. Watson, Jim C. Macdonald
Effect Of Continuous Or Rotational Grazing On Growing Steer Performance And Land Production, Cody A. Welchons, Robby G. Bondurant, F. Henry Hilscher Hilscher, Terry J. Klopfenstein, Andrea K. Watson, Jim C. Macdonald
Nebraska Beef Cattle Reports
Individual animal performance and animal production per acre were evaluated for steers grazing smooth bromegrass over 2 consecutive years. Treatments consisted of steers continuously grazing smooth bromegrass and initially stocked at either 4.0 animal unit months (AUM)/ac (HI) or 2.8 AUM/ac (LO) or steers rotationally grazing smooth bromegrass and initially stocked at 4.0 AUM/ac (ROT). Average calculated stocking rate for the LO, HI, and ROT treatments was greater than initial stocking rates due to the use of put and take animals. In vitro organic matter digestibility and crude protein of rotationally grazed pastures was relatively constant as the grazing season …
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 …
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 …
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 …
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 …
Impact Of Pre-And Postpartum Nutrition On March-Calving Cow And Progeny Productivity, Jacki A. Musgrave, Devin L. Broadhead, L. A. Stalker Stalker, Richard N. Funston
Impact Of Pre-And Postpartum Nutrition On March-Calving Cow And Progeny Productivity, Jacki A. Musgrave, Devin L. Broadhead, L. A. Stalker Stalker, Richard N. Funston
Nebraska Beef Cattle Reports
March-calving cows were fed hay or grazed corn residue prepartum, and then either fed hay or grazed subirrigated meadow postpartum. Combinations of these different feeding strategies impacted body weight (BW) and body condition score (BCS) during the pre-and postpartum period; however, resulted in similar pregnancy rates. Although differences were not observed in cow pregnancy rates, a benefit in pre-weaning growth was observed for calves from the dams in postpartum meadow treatment. A tendency for an improvement in marbling score was observed for steers born to cows fed hay prepartum, perhaps indicating a higher plane of nutrition prepartum may improve quality …
Steer Performance Grazing Corn Residue And Supplemented With Modified Distillers Grains Plus Solubles With Or Without Urea, Robert M. Jones, Robby G. Bondurant, F. Henry Hilscher Hilscher, Jim C. Macdonald
Steer Performance Grazing Corn Residue And Supplemented With Modified Distillers Grains Plus Solubles With Or Without Urea, Robert M. Jones, Robby G. Bondurant, F. Henry Hilscher Hilscher, Jim C. Macdonald
Nebraska Beef Cattle Reports
A growing study was conducted to evaluate the effects of supplementing growing calves grazing corn residue with modified distillers grains plus solubles (MDGS; 3 or 5 lb/d) and with or without urea on growth performance. There were no significant MDGS × urea inclusion interactions observed. Urea inclusion level (0 and 0.12 lb/d) did not affect supplemental intake, ADG, or ending BW. Steers fed 5 lb of MDGS had an increased ADG and a heavier ending BW compared to steers fed 3 lb MDGS daily. Supplemental urea is not necessary when supplementing at least 3 lb MDGS to steers grazing 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 …
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 Growing Steer Performance, Benjamin H. Hansen, Robert G. Bondurant, F. Henry Hilscher Hilscher, Galen E. Erickson, Jim C. Macdonald
Evaluation Of Corn Distillers Solubles On Growing Steer Performance, Benjamin H. Hansen, Robert G. Bondurant, F. Henry Hilscher Hilscher, Galen E. Erickson, Jim C. Macdonald
Nebraska Beef Cattle Reports
A growing study evaluated increasing inclusions of corn distillers solubles (CDS) at 10, 20, 30, and 40%, or increasing wet distillers grains plus solubles (WDGS) at 10, 20, 30, and 40% compared to a corn control. Corn was replaced by CDS or WDGS in each forage-based diet. Increasing CDS resulted in a quadratic increase for both DMI and F:G. Increasing WDGS linearly increased both DMI and ADG with no effect on F:G. The energy value of CDS is less than that of corn, whereas WDGS had an energy value similar to corn in growing diets with 50% brome hay. A …
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 …
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 …
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.