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Articles 31 - 49 of 49
Full-Text Articles in Beef Science
Be Aware Of Basis Volatility When Using Price Risk Management For Calves And Feeder Cattle, Jay Parsons, Aaron Berger
Be Aware Of Basis Volatility When Using Price Risk Management For Calves And Feeder Cattle, Jay Parsons, Aaron Berger
Cornhusker Economics
Understanding basis volatility and the impact it has on the actual price received for calves or feeder cattle in relation to the CME Feeder Cattle Futures is important when considering price risk management opportunities. Currently, cattle markets are in a time frame where volatility appears to be like market conditions experienced in 2014 and 2015. These conditions should prompt producers to think through how basis volatility could impact the expected price they will receive for their calves or feeder cattle.
The Economics And Productivity Of Us Cow-Calf Production, Richard Nehring, Hannah Shear, Kelvin L. Leibold, Andrew Swanson
The Economics And Productivity Of Us Cow-Calf Production, Richard Nehring, Hannah Shear, Kelvin L. Leibold, Andrew Swanson
Journal of Applied Farm Economics
We explore US beef cow-calf production in 2018 and estimate net returns, returns to scale, and technical efficiency associated with backgrounding versus nonbackgrounding by size and production system. We determine the relative profitability of cow-calf operations by type, region, and size. Results, using both stochastic production frontier analysis and data envelopment analysis, indicate that larger operations tend to be more scale and technically efficient than smaller operations. While larger operations may be more scale and technically efficient and have lower variable costs per cow, off-farm income helps smaller operations become competitive. The availability of detailed cost of production information in …
Behavioral And Physiological Responses Of Heifers With No Prior Exposure And Those Adapted To Grazing Endophyte-Infected Tall Fescue, Tyler A. Purvis
Behavioral And Physiological Responses Of Heifers With No Prior Exposure And Those Adapted To Grazing Endophyte-Infected Tall Fescue, Tyler A. Purvis
Theses and Dissertations--Animal and Food Sciences
Data from year one of a three-year experiment was used to determine behavioral and physiological responses of heifers adapted to grazing endophyte-infected fescue (E+TF) compared to heifers naïve to grazing E+TF. In May, yearling beef heifers from KY (n=15) and MT (n=30) were stratified by body weight, hair coat score, and disposition into nine pastures and assigned to one of three treatments: KY grazing E+ (KY-E+), MT grazing E+ (MT-E+), or MT grazing endophyte-free tall fescue (E-TF) (MT-E-). Prior to grazing, two heifers per pasture were selected to be outfitted with a RumiWatch® halter (Itin+Hoch GmbH, Liestal, Switzerland) for monitoring …
Artificial Insemination Of Beef Heifers With Multi-Sire Semen, Dempster Christenson, Jordan M. Thomas, Daniel J. Kelly, Richard N. Funston
Artificial Insemination Of Beef Heifers With Multi-Sire Semen, Dempster Christenson, Jordan M. Thomas, Daniel J. Kelly, Richard N. Funston
Nebraska Beef Cattle Reports
This study compared pregnancy rates of beef heifers artificially inseminated with multi-sire semen to single-sire semen. It was hypothesized pregnancy rates resulting from multi-sire semen would be increased compared to single-sire semen. Heifers were artificially inseminated with semen from one of three single-sires or semen from a combination of the same three sires. Pregnancy rates did not significantly differ. Paternity testing suggests sire parentage can be unequal when semen is mixed from multiple sires. In summary, producers can expect similar pregnancy rates using single-sire and multi-sire semen, but progeny may have unequal sire representation.
Effectiveness Of Maternal Bovine Appeasing Substance Administered To Newly Received, High-Risk Stocker Calves, Elle Johnston, Rosie Whittle, Robin Cheek, Beth Kegley, Jeremy Powell, Shawna Weimer
Effectiveness Of Maternal Bovine Appeasing Substance Administered To Newly Received, High-Risk Stocker Calves, Elle Johnston, Rosie Whittle, Robin Cheek, Beth Kegley, Jeremy Powell, Shawna Weimer
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Stocker cattle purchased at auction can be susceptible to disease due to the stressors associated with the auction process and are referred to as “high-risk.” The objective of this study was to determine the efficacy of a maternal bovine appeasing substance, FerAppease®, on the growth performance, health, and behavior of stocker cattle. Male beef calves (n = 80) were purchased at auction and transported to the University of Arkansas System Division of Agriculture Savoy Research Complex Beef Stocker Unit. On day 0, bulls were castrated, and steers and bulls were assigned to 8 pens (n = 10 calves/pen; …
Evaluation Of High-Moisture Ear Corn As A Roughage Source In Finishing Diets Fed To Beef Steers, Riley J. Leeson
Evaluation Of High-Moisture Ear Corn As A Roughage Source In Finishing Diets Fed To Beef Steers, Riley J. Leeson
Electronic Theses and Dissertations
The objective of this study was to evaluate the feedlot performance, rumination activity, and carcass characteristics of high moisture ear corn (HMEC) as a roughage source in finishing diets fed to beef steers. Backgrounded steers (n = 191; initial shrunk weight [4% BW] = 449 kg 23.9 kg) were assigned randomly to 1 of 24 pens (8 steers/pen) with pens randomly assigned to one of four dietary treatments (6 pens/treatment): control diet with hay fed at 10% roughage equivalency (RE; HAY10), or HMEC at either 14% (EAR14), 10% (EAR10), or 6% (EAR6) RE. High-moisture ear corn was assumed to …
Impact Of Natural Feed Additives And Monensin Sodium On Growth Performance In Feedlot Cattle, Thiago Lauro Maia Ribeiro
Impact Of Natural Feed Additives And Monensin Sodium On Growth Performance In Feedlot Cattle, Thiago Lauro Maia Ribeiro
Electronic Theses and Dissertations
The objective of this dissertation was to investigate how phytogenic feed additives and a pulse feeding monensin sodium strategy would affect growth performance in the receiving and finishing feedlot phases. Three randomized complete block design feedlot experiments and one pooled analysis were conducted to determine the effects of the feed additives and management strategies used in newly weaned and finishing beef cattle. The objective of these experiments were 1) determine if a blend of capsicum oleoresin, clove essential oil, and garlic essential oil (CCG) influences cattle performance, sera metabolites or health outcomes during the feedlot receiving phase; 2) determine if …
Finishing Location And Forage Diversity Influences Carcass Characteristics, Meat Quality Attributes, Terroir, And Color Stability Of Grass-Finished Bison Bulls, Garrett Tyler Weldy
Finishing Location And Forage Diversity Influences Carcass Characteristics, Meat Quality Attributes, Terroir, And Color Stability Of Grass-Finished Bison Bulls, Garrett Tyler Weldy
Electronic Theses and Dissertations
The overall objective of this thesis is to determine the influence of finishing location and forage diversity on carcass characteristics, meat quality, terroir, and color stability of grass-finished bison bulls. The specific objectives were 1) Determine the effect of finishing location on carcass characteristics, meat quality attributes, and terroir of grass-finished bison bulls, 2) Investigate the effect of forage diversity on the carcass characteristics, meat quality attributes, and terroir of grass-finished bison bulls, and 3) Determine the effect of finishing location on the meat color stability of grass-finished bison bulls. Overall, results indicate that finishing location influenced carcass characteristics, objective …
Microbial And Plant Biodiversity In Appalachian Agroecosystems And Their Implications For Soil Health, Kinsey Reed Close
Microbial And Plant Biodiversity In Appalachian Agroecosystems And Their Implications For Soil Health, Kinsey Reed Close
Graduate Theses, Dissertations, and Problem Reports (ETD)
The sustainability of agricultural landscapes depends on understanding the complex interactions between plants, soil, and microbes. In Appalachia, a region shaped by complex terrain and long histories of human and ecological interaction, small family farms produce hay, livestock, and row crops. These agroecosystems, though often treated as “artificial” by many ecologists, have the potential to support both food production and biodiversity conservation if managed with an understanding of ecological complexity. This dissertation examines how plant and microbial diversity interact with soil and management to influence nutrient cycling, soil health, and long-term resilience in Appalachian agricultural systems. A literature review revealed …
Management Strategies To Improve Gastrointestinal Health And Productivity Of Native And Dairy-Derived Steers Fed In Confinement, Becca B. Grimes Francis
Management Strategies To Improve Gastrointestinal Health And Productivity Of Native And Dairy-Derived Steers Fed In Confinement, Becca B. Grimes Francis
Electronic Theses and Dissertations
The objective of this dissertation was to evaluate strategies to mitigate metabolic disorders in confinement fed steers. The first study was conducted on yearling beef steers to investigate the effect of a rumen buffer, calcium magnesium carbonate (CMC), when fed with or without tylosin phosphate (TYL), on growth performance, rumination activity and liver abscess prevalence. Supplementation of a rumen buffer was not an effective alternative to a feed-grade antimicrobial for the control of liver abscesses in beef steers. Supplementation of CMC reduced DMI, thus negatively influencing BW and ADG. No associative effects of CMC and TYL were observed for any …
Comparison Of Sheep And Cattle Rumen Microbiological And Physiological Responses To An Abrupt Transition From A High-Forage To A High-Concentrate Diet, Katherine Purvis
Comparison Of Sheep And Cattle Rumen Microbiological And Physiological Responses To An Abrupt Transition From A High-Forage To A High-Concentrate Diet, Katherine Purvis
Theses and Dissertations--Animal and Food Sciences
Sheep and cattle are often used interchangeably due to having the same gastrointestinal anatomy; however literature directly comparing the two species is minimal. Previous in vitro studies have pointed towards potential species differences in rumen carbohydrate utilization and acidosis susceptibility. The objective of this study was to evaluate in vivo microbiological and physiological responses of wethers and steers when abruptly transitioned from a high-forage to a high-concentrate diet. We hypothesized there are differences between species in response to abrupt dietary transition with respect to intake, rumen microbiology, and the rumen environment. Individually housed, rumen cannulated purebred Polypay wethers (n = …
Location Intelligence Unveils Seasonal Spatiotemporal Pattern Shifts Of Habitat Use And Selection By Cattle Across A South Texas Coastal Landscape Infested With Rhipicephalus Microplus, Taylor G. Donaldson, Brian T. Rich, Miranda R. Peterson, Hsiao-Hsuan Wang, William E. Grant, Donald B. Thomas, Kimberly H. Lohmeyer, Adalberto Á. Pérez De León, Pete D. Teel
Location Intelligence Unveils Seasonal Spatiotemporal Pattern Shifts Of Habitat Use And Selection By Cattle Across A South Texas Coastal Landscape Infested With Rhipicephalus Microplus, Taylor G. Donaldson, Brian T. Rich, Miranda R. Peterson, Hsiao-Hsuan Wang, William E. Grant, Donald B. Thomas, Kimberly H. Lohmeyer, Adalberto Á. Pérez De León, Pete D. Teel
Biological Sciences Faculty Publications
Knowledge gaps on the dynamics of cattle fever tick-cattle-habitat-climate interactions in South Texas and their influence on the efficacy of treatments to eliminate infestations with the Rhipicephalus (Boophilus) microplus prevent optimal interventions by the Cattle Fever Tick Eradication Program (CFTEP). The CFTEP has been operating in the USA since 1907. This study applied the concept of location intelligence to examine movement, habitat use and selection by cattle in a highly heterogeneous coastal landscape infested with R. microplus. Cattle interface with white-tailed deer and nilgai, which are alternate wildlife hosts of R. microplus, in this unique South …
Effect Of Vibration Isolation During Transportation On Beef Sirloin Subprimal And Steak Quality, Kylie Nevada Krueger
Effect Of Vibration Isolation During Transportation On Beef Sirloin Subprimal And Steak Quality, Kylie Nevada Krueger
Electronic Theses and Dissertations
The objective of this study was to determine the influence of vibration during transportation on beef sirloin water holding capacity, color, and tenderness. USDA Choice center-cut sirloin top butts (n = 45 cases) were collected at a commercial processing facility and randomly allocated to one of three treatments 1) regular pallet driven 241 km (Reg241), 2) regular pallet driven 644 km (Reg644), and 3) vibration isolation pallet driven 644 km (Iso644). All subprimals were transported at -2.2 °C (d0) and stored for 10 days to mimic industry practices for product aging. Following storage (d11), one subprimal per case was evaluated …
Fluke Egg Sedimentation Test Procedure, Department Of Primary Industries And Regional Development, Western Australia
Fluke Egg Sedimentation Test Procedure, Department Of Primary Industries And Regional Development, Western Australia
Animal production and livestock factsheets
The department’s approved procedure for detecting trematode eggs and the Eimeria leuckarti sedimentation method (FEST) on faecal samples.
Longitudinal And Ensemble Modeling Of Beef Cattle Feed And Water Intakes, Nathan El Blake
Longitudinal And Ensemble Modeling Of Beef Cattle Feed And Water Intakes, Nathan El Blake
Graduate Theses, Dissertations, and Problem Reports (ETD)
Beef cattle production remains a cornerstone of global food systems, providing highly bioavailable protein and essential micronutrients that are difficult to secure from plant-based foods alone. Yet this production is also resource-intensive, requiring substantial land, feed, and water inputs while contributing significantly to greenhouse gas emissions. Efficiency of dry matter intake (DMI) and water intake (WI) is central to both productivity and sustainability, but accurate measurement of these traits—particularly in grazing systems—remains a major limitation. National WI standards continue to rely on pen-level data collected in the 1950s, while most existing DMI prediction equations perform poorly when applied beyond the …
Phytogenic Feed Additives Pre- And Post-Calving And Effects Of Substituting Ddgs With Soybean Meal On Protein Metabolism In Beef Cattle, Grace H. Jardon
Phytogenic Feed Additives Pre- And Post-Calving And Effects Of Substituting Ddgs With Soybean Meal On Protein Metabolism In Beef Cattle, Grace H. Jardon
Electronic Theses and Dissertations
The objective of these studies was to evaluate nutritional strategies to improve beef cattle productivity through targeted supplementation and protein source manipulation. The first study investigated the effects of a phytogenic supplement (PHYT; a blend of turmeric, capsicum, and black pepper oleoresin) on colostrum yield and composition, calf passive immunity, and cow–calf performance. Twenty-three Angus-based cows were assigned to either a control group or received 250 or 500 mg/head/day of PHYT from 30 days pre-calving to 60 days post-calving. Supplementation with PHYT linearly increased colostrum fat and calf serum IgA concentrations. Milk fat, calf serum IgG, and colostrum IgM tended …
Extended Days On Feed: Influences On Growth Performance, Efficiency, And Carcass Characteristics Of Steers And Heifers Of Different Proportions Of Angus And Limousin Genetics, Grace Henley Olinger
Extended Days On Feed: Influences On Growth Performance, Efficiency, And Carcass Characteristics Of Steers And Heifers Of Different Proportions Of Angus And Limousin Genetics, Grace Henley Olinger
Electronic Theses and Dissertations
Recently, cattle feeders have extended days on feed (DOF) resulting in hot carcass weights (HCW) exceeding the limits of existing serial slaughter datasets. This study's goal was to determine the impact extended DOF exerts on growth performance, feed efficiency, and carcass characteristics of steers and heifers with varying proportions of Angus (AN) and Limousin (LM) genetics. In 2022, commercial AN cows from two MT ranches were artificially inseminated to 9 sires from 3 breeds (AN, LM, and Limflex (LF)) with parentage confirmed by DNA. In 2023, 216 calves (sired by 72 AN, 73 LF, and 71 LM; 105 steers and …
Exploring The Ruminal Microbiome And Its Impacts On Feed Efficiency In Beef Cattle, Taylor Simone Sidney
Exploring The Ruminal Microbiome And Its Impacts On Feed Efficiency In Beef Cattle, Taylor Simone Sidney
Graduate Theses, Dissertations, and Problem Reports (ETD)
The ability for beef cattle to utilize feed efficiently is a critical determinant for both economic and environmental sustainability in livestock production. However, despite extensive research, the complex microbial ecosystem within the rumen and its relationship to feed efficiency remain incompletely understood. This dissertation explores the physiological and microbial foundations of feed efficiency by characterizing how rumen microbial communities and their functions differ among beef cattle with divergent residual feed intake (RFI) phenotypes and how the RFI status of beef cattle influenced their response to dietary interventions such as supplementation with a Bacillus-based feed additive. In the first study, …
Stress And Behavior In Beef Calves During Weaning, Kathleen E. Tierney
Stress And Behavior In Beef Calves During Weaning, Kathleen E. Tierney
Theses and Dissertations
Animal welfare in commercial livestock operations has been an increasing topic of concern. It is well known that stress can have significant behavioral and physiological repercussions. It is especially important in commercial operations to reduce stress, as animal efficiency is the leading priority. In an effort to reduce stress on animals and improve welfare in livestock operations, several studies have evaluated common husbandry practices. One of the most widely studied practices is weaning, which encapsulates the process of removing the young from the dam. Several studies have evaluated the effects of weaning on beef cattle through a variety of behavioral …