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Animal Health Effects Of The October 2013 Blizzard: Observations, Russ Daly, Ken Olson, Dave Ollila, Dennis Todey, Warren Rusche, Joseph Neary, Dale Miskimins, George Perry 2013 South Dakota State University

Animal Health Effects Of The October 2013 Blizzard: Observations, Russ Daly, Ken Olson, Dave Ollila, Dennis Todey, Warren Rusche, Joseph Neary, Dale Miskimins, George Perry

Range Beef Cow Symposium

From Thursday, October 3, through Saturday, October 5, 2013, an unprecedented early season winter storm affected western South Dakota and portions of Wyoming, Montana, North Dakota, and Nebraska. This storm resulted in the deaths of an estimated 15,000 to 30,000 head of cattle, along with many sheep, horses, and other animals. The early occurrence of the storm as well as its severity contributed to direct losses of animals as well as subsequent health effects.


Managing Annual Cow Costs, Julie Walker 2013 South Dakota State University

Managing Annual Cow Costs, Julie Walker

Range Beef Cow Symposium

What is your annual cow costs? _________________

What is your breakeven cost ($/pound of weaned calf)? __________________

The cow/calf enterprise is a highly competitive, narrow margin business. Every day the margin seems to get smaller. Cattle producers are always looking for ways to save a dollar or get an additional dollar for their product. When you hear talk about ‘managing annual cow cost’ do you think that equates to being a low cost producer? You have been told to manage cow cost in the largest cost category, which is normally feed. Feed costs are normally 50 to 75% of ...


Using Crop Residues And By-Products To Limit Feed Cows In Confinement, Karla H. Jenkins 2013 University of Nebraska-Lincoln

Using Crop Residues And By-Products To Limit Feed Cows In Confinement, Karla H. Jenkins

Range Beef Cow Symposium

The available forage supply for maintaining beef cow herds continues to be threatened by several factors. High commodity prices encourage the conversion of pasture land into crop ground, cities and towns continue to sprawl out into rural areas creating subdivisions where historically cattle grazed, and drought, fires, hail, and insects continue to periodically deplete forage supplies. When forage supplies cannot be located or are not affordably priced; cattle producers must either sell their cattle or feed the cattle in confinement. Feeding beef cows in confinement is not a new concept. However, limit feeding them (less than 2% of body weight ...


Range Beef Cow Symposium Xxiii: Program & Brochure, 2013 University of Nebraska - Lincoln

Range Beef Cow Symposium Xxiii: Program & Brochure

Range Beef Cow Symposium

Registration Information

Lodging Information

General Information

Bull Pen Sessions

Commercial Booth Displays

Advance Registration

Program: Tuesday, December 3 -- Thursday, December 5


Comparison Of Molecular Breeding Values Based On Within- And Across-Breed Training In Beef Cattle, Stephen D. Kachman, Matthew L. Spangler, Gary L. Bennett, Kathryn J. Hanford, Larry Kuehn, Warren M. Snelling, R. M. Thallman, Mahdi Saatchi, Dorian J. Garrick, R. D. Schnabel, Jeremy F. Taylor, E. John Pollak 2013 University of Nebraska-Lincoln

Comparison Of Molecular Breeding Values Based On Within- And Across-Breed Training In Beef Cattle, Stephen D. Kachman, Matthew L. Spangler, Gary L. Bennett, Kathryn J. Hanford, Larry Kuehn, Warren M. Snelling, R. M. Thallman, Mahdi Saatchi, Dorian J. Garrick, R. D. Schnabel, Jeremy F. Taylor, E. John Pollak

Faculty Papers and Publications in Animal Science

Background: Although the efficacy of genomic predictors based on within-breed training looks promising, it is necessary to develop and evaluate across-breed predictors for the technology to be fully applied in the beef industry. The efficacies of genomic predictors trained in one breed and utilized to predict genetic merit in differing breeds based on simulation studies have been reported, as have the efficacies of predictors trained using data from multiple breeds to predict the genetic merit of purebreds. However, comparable studies using beef cattle field data have not been reported.

Methods: Molecular breeding values for weaning and yearling weight were derived ...


The Effect Of Soluble Uterine Factors On Porcine Embryo Development Within A Three-Dimensional Alginate Matrix System, Catherine Sargus-Patino, Elane C. Wells, Jeremy R. Miles, Angela K. Pannier 2013 University of Nebraska-Lincoln

The Effect Of Soluble Uterine Factors On Porcine Embryo Development Within A Three-Dimensional Alginate Matrix System, Catherine Sargus-Patino, Elane C. Wells, Jeremy R. Miles, Angela K. Pannier

Faculty Papers and Publications in Animal Science

Between day 10 and 12 of gestation in the pig, the embryo undergoes a dramatic morphological change, known as elongation. During elongation the embryo produces and secretes estrogen, which serves as a key signal for maternal recognition of pregnancy. The uterine environment prepares for embryo elongation and implantation by releasing nutrients, metabolites, and hormones in a time-dependent manner relative to paracrine signals from the conceptus (i.e., estrogen) and endocrine/paracrine signals within the endometrium (i.e., progesterone). Despite advances in identification of specific uterine factors present throughout pregnancy in the pig, little is known about the exact mechanisms by ...


Nutritional Management Post-Ai To Enhance Pregnancy Outcomes, S. L. Lake, R. Arias, P. Gunn, G. A. Bridges 2013 University of Wyoming

Nutritional Management Post-Ai To Enhance Pregnancy Outcomes, S. L. Lake, R. Arias, P. Gunn, G. A. Bridges

Range Beef Cow Symposium

Effective replacement heifer development is a critical segment of the integrated management program in an efficient beef cow production system. The most critical factor determining the success of any heifer development program is nutrition. Most efforts are concentrated in providing the right amount and quality of feed to achieve gains from 1.5 to 2.0 lb/day, so heifers can reach 65% of their mature BW by the day of breeding. Approximately 80% of the U.S. cow-herds are spring calving, which means that producers utilizing estrous synchronization and AI are keeping their heifers in a feedlot environment until ...


Characterization Of Three Chlorella Sorokiniana Strains In Anaerobic Digested Effluent From Cattle Manure, Naoko Kobayashi, Eric A. Schacht, Austin Barnes, Andrea K. Watson, Julian N. Rosenberg, Galen Erickson, George A. Oyler 2013 University of Nebraska-Lincoln

Characterization Of Three Chlorella Sorokiniana Strains In Anaerobic Digested Effluent From Cattle Manure, Naoko Kobayashi, Eric A. Schacht, Austin Barnes, Andrea K. Watson, Julian N. Rosenberg, Galen Erickson, George A. Oyler

Faculty Papers and Publications in Animal Science

Chlorella sorokiniana CS-01, UTEX 1230 and UTEX 2714 were maintained in 10% anaerobic digester effluent (ADE) from cattle manure digestion and compared with algal cultivation in Bold’s Basal Medium (BBM). Biomass of CS-01 and UTEX 1230 in ADE produced similar or greater than 280 mg/L after 21 days in BBM, however, UTEX 2714 growth in ADE was suppressed by more than 50% demonstrating a significant species bias to synthetic compared to organic waste-based media. The highest accumulation of protein and starch was exhibited in UTEX 1230 in ADE yielding 34% and 23% ash free dry weight (AFDW), respectively ...


Greenhorn Grazing: A Modular Pasture And Animal Management Curriculum For Beginning And Transitioning Graziers, Byron Leu 2013 Iowa State University

Greenhorn Grazing: A Modular Pasture And Animal Management Curriculum For Beginning And Transitioning Graziers, Byron Leu

Leopold Center Completed Grant Reports

Grazing livestock historically has been an important part of Iowa agriculture. With land and crop prices at all-time highs, grass-based enterprises are challenged to compete financially. This educational program was designed to help beginning and transitioning producers who want to establish economically and environmentally successful grazing operations.


The Effect Of Myostatin Genotype On Body Temperature During Extreme Temperature Events, J. T. Howard, Stephen D. Kachman, Merlyn K. Nielsen, Terry L. Mader, Matthew L. Spangler 2013 University of Nebraska-Lincoln

The Effect Of Myostatin Genotype On Body Temperature During Extreme Temperature Events, J. T. Howard, Stephen D. Kachman, Merlyn K. Nielsen, Terry L. Mader, Matthew L. Spangler

Faculty Papers and Publications in Animal Science

Extreme heat and cold events can create deleterious physiological changes in cattle as they attempt to cope. The genetic background of animals can influence their response to these events. The objective of the current study was to determine the impact of myostatin genotype (MG) on body temperature during periods of heat and cold stress. Two groups of crossbred steers and heifers of unknown pedigree and breed fraction with varying percentages of Angus, Simmental, and Piedmontese were placed in a feedlot over 2 summers and 2 winters. Before arrival, animals were genotyped for the Piedmontese-derived myostatin mutation (C313Y) to determine their ...


Effect Of Rate Of Body Weight Gain In Steers During The Stocker Phase. I. Growth, Partitioning Of Fat Among Depots, And Carcass Characteristics Of Growing-Finishing Beef Cattle, E. D. Sharman, P. A. Johnson, C. P. McMurphy, A. J. Garmyn, B. J. Pye, G. G. Mafi, C. L. Goad, W. A. Phillips, J. D. Starkey, C. R. Krehbiel, G. W. Horn 2013 Oklahoma Agricultural Experiment Station

Effect Of Rate Of Body Weight Gain In Steers During The Stocker Phase. I. Growth, Partitioning Of Fat Among Depots, And Carcass Characteristics Of Growing-Finishing Beef Cattle, E. D. Sharman, P. A. Johnson, C. P. Mcmurphy, A. J. Garmyn, B. J. Pye, G. G. Mafi, C. L. Goad, W. A. Phillips, J. D. Starkey, C. R. Krehbiel, G. W. Horn

Faculty Papers and Publications in Animal Science

Two experiments were conducted to examine the effect of growth rate to similar age or BW on fat deposition in stocker cattle grazing dormant native range (DNR) or winter wheat pasture (WP). In each experiment, fall-weaned Angus steers were randomly allotted to 1 of 4 stocker production programs: 1) control, 1.02 kg/d of a 40% CP cottonseed mealbased supplement during grazing of DNR (CON); 2) corn/soybean meal-based supplement fed at 1% of BW during grazing of DNR (CORN); 3) grazing WP at a high stocking rate to achieve a low rate of BW gain (LGWP); and 4 ...


Effect Of Citrus Byproducts On Survival Of O157:H7 And Non-O157 Escherichia Coli Serogroups Within In Vitro Bovine Ruminal Microbial Fermentations, Heather A. Duoss-Jennings, Ty B. Schmidt, Todd R. Callaway, Jeffery A. Carroll, James M. Martin, Sara A. Shields-Menard, Paul R. Broadway, Janet R. Donaldson 2013 Iowa State University

Effect Of Citrus Byproducts On Survival Of O157:H7 And Non-O157 Escherichia Coli Serogroups Within In Vitro Bovine Ruminal Microbial Fermentations, Heather A. Duoss-Jennings, Ty B. Schmidt, Todd R. Callaway, Jeffery A. Carroll, James M. Martin, Sara A. Shields-Menard, Paul R. Broadway, Janet R. Donaldson

Faculty Papers and Publications in Animal Science

Citrus byproducts (CBPs) are utilized as a low cost nutritional supplement to the diets of cattle and have been suggested to inhibit the growth of both Escherichia coli O157:H7 and Salmonella. The objective of this study was to examine the effects in vitro that varying concentrations of CBP in the powdered or pelleted variety have on the survival of Shiga-toxin Escherichia coli (STEC) serotypes O26:H11, O103:H8, O111:H8, O145:H28, and O157:H7 in bovine ruminal microorganism media. The O26:H11, O111:H8, O145:H28, and O157:H7 serotypes did not exhibit a change in populations in ...


Applying Corn Condensed Distillers Solubles To Hay Windrows Prior To Baling: Ii. Effects On Growing Cattle Performance, Jason M. Warner, Cody J. Schneider, Richard J. Rasby Rasby, Galen E. Erickson, Terry J. Klopfenstein, Mark Dragastin 2013 University of Nebraska-Lincoln

Applying Corn Condensed Distillers Solubles To Hay Windrows Prior To Baling: Ii. Effects On Growing Cattle Performance, Jason M. Warner, Cody J. Schneider, Richard J. Rasby Rasby, Galen E. Erickson, Terry J. Klopfenstein, Mark Dragastin

Nebraska Beef Cattle Reports

Two experiments evaluated the feeding value of grass hay bales previously treated with CCDS in growing cattle diets. In Experiment 1, heifers fed bales treated with 20% CCDS (DM) gained less than those fed an equal level of dried distillers grains plus solubles and nontreated hay. In Experiment 2, ADG and F:G linearly improved with increasing CCDS levels. Furthermore, supplementing cattle to meet metabolizable protein requirements when fed diets of CCDS and hay did not improve ADG at levels greater than 15% CCDS. Data indicate hay bales previously treated with CCDS are adequate for use in growing diets, confirming ...


Field Peas As A Binder For Dried Distillers Grains-Based Range Cubes, Alex H. Titlow, Jacob A. Hansen, Matt K. Luebbe Luebbe, Karla Jenkins 2013 University of Nebraska-Lincoln

Field Peas As A Binder For Dried Distillers Grains-Based Range Cubes, Alex H. Titlow, Jacob A. Hansen, Matt K. Luebbe Luebbe, Karla Jenkins

Nebraska Beef Cattle Reports

A grazing study was conducted to determineif field peas are a good naturalbinder for dried distillers grains-based range cubes. Cattle supplemented dried distillers grains in the bunk or a 25% field pea/75% distillers grains cube fed on the ground gained similarly and outgained cattle supplemented dried distillers on the ground. A 25.6% loss of the distillers grains fed loose on the ground was estimated. The similar performance of cattle fed distillers grains in the bunk and those fed pea/distillers cube on the ground suggests field peas reduced distillers grains loss and therefore are an acceptable binder for ...


Pharmacokinetics Of Flunixin Meglumine In Mature Swine After Intravenous, Intramuscular And Oral Administration, Monique D. Pairis-Garcia, Locke A. Karriker, Anna K. Johnson, Butch Kukanich, Larry W. Wulf, Suzanne Mary Sander, Suzanne T. Millman, Kenneth J. Stalder, Johann F. Coetzee 2013 Iowa State University

Pharmacokinetics Of Flunixin Meglumine In Mature Swine After Intravenous, Intramuscular And Oral Administration, Monique D. Pairis-Garcia, Locke A. Karriker, Anna K. Johnson, Butch Kukanich, Larry W. Wulf, Suzanne Mary Sander, Suzanne T. Millman, Kenneth J. Stalder, Johann F. Coetzee

Animal Science Publications

The purpose of this study was to determine intravenous (IV), intramuscular (IM) and oral (PO) FM PK in mature swine. Appropriate pain management for lameness in swine is a critical control point for veterinarians and producers, but science-based guidance on optimal housing, management and treatment of lameness is deficient. Six mature swine (121–168 kg) were administered an IV, IM, or PO dose of flunixin meglumine at a target dose of 2.2 mg/kg in a cross-over design with a 10 day washout period between treatments. Plasma samples collected up to 48 hours post-administration were analyzed by high pressure ...


Effect Of Winter Supplementation Level On Yearling System Profitability, Kari L. Gillespie, Brandon L. Nuttelman, Cody J. Schneider Schneider, Terry J. Klopfenstein 2013 University of Nebraska–Lincoln

Effect Of Winter Supplementation Level On Yearling System Profitability, Kari L. Gillespie, Brandon L. Nuttelman, Cody J. Schneider Schneider, Terry J. Klopfenstein

Nebraska Beef Cattle Reports

Calves backgrounded in a forage-based system at a high winter supple- mentation level maintained a performance advantage through finishing. High level supplemented cattle gained an additional 0.2 lb. daily during finishing, consumed less total feed in the feedlot, required fewer days on feed to reach a common finish point and produced an additional 85 lb. of saleable live weight compared to cattle backgrounded at a low supplementation level. High level supplemented cattle returned $56.01 more than cattle fed a low level of supplementation during the winter backgrounding phase.


Nitrogen Input Effects On Herbage Accumulation And Presence Of Pasture Plant Species, John A. Guretzky, Walter Schacht, Laura Snell, Jonathan Soper, Stephanie Moore, Andrea Watson 2013 University of Nebraska-Lincoln

Nitrogen Input Effects On Herbage Accumulation And Presence Of Pasture Plant Species, John A. Guretzky, Walter Schacht, Laura Snell, Jonathan Soper, Stephanie Moore, Andrea Watson

Faculty Papers and Publications in Animal Science

Long-term responses of pasture plant species to management strategies that vary amount and form of N inputs form a knowledge gap. Our objective was to determine how supplementation of grazing beef cattle (Bos taurus) with corn (Zea mays L.) dried distillers grains plus solubles (DDGS) in unfertilized pasture (SUPP) affects annual herbage accumulation and presence of plant species and functional groups relative to unsupplemented beef cattle on unfertilized (CONT) and N-fertilized (FERT) smooth bromegrass (Bromus inermis Leyss.) pasture. We addressed this objective in the sixth (2010) and seventh (2011) years of a long-term experiment in eastern Nebraska, where N input ...


Fetal Programming: Implications For Beef Cattle Production, A. F. Summers, R. N. Funston 2013 University of Nebraska, West Central Research and Extension Center

Fetal Programming: Implications For Beef Cattle Production, A. F. Summers, R. N. Funston

Range Beef Cow Symposium

The concept of fetal programming, also known as developmental programming, was first hypothesized using human epidemiological data in which environmental stimulus in utero resulted in altered long term development, growth and disease susceptibility in children from undernourished mothers during the Dutch famine (Barker et al., 1993). Recently, literature regarding fetal programming effects in domesticated livestock has been reviewed (Funston et al., 2010a; Ford and Long, 2012). Many factors influence livestock nutrient requirements including breed, season, and physiological function (NRC, 2000). Fetal programming responses can result from a negative nutrient environment, which can be caused by 1) breeding of young dams ...


Evaluation Of Response To Bovine Viral Diarrhea Virus Type 2 Vaccination And Timing Of Weaning On Yearling Ultrasound Body Composition, Performance, And Carcass Quality Traits In Angus Calves, Richard G. Tait Jr., Erika Diane Downey, Mary S. Mayes, Carissa A. Park, Julia Ridpath, Dorian J. Garrick, James M. Reecy 2013 Iowa State University

Evaluation Of Response To Bovine Viral Diarrhea Virus Type 2 Vaccination And Timing Of Weaning On Yearling Ultrasound Body Composition, Performance, And Carcass Quality Traits In Angus Calves, Richard G. Tait Jr., Erika Diane Downey, Mary S. Mayes, Carissa A. Park, Julia Ridpath, Dorian J. Garrick, James M. Reecy

Animal Science Publications

There are concerns about antagonisms between immunity and animal productivity in livestock production. The objective of this study was to evaluate the effect of antibody levels through a response to vaccination protocol, weaning timing, and their interaction on performance and carcass quality traits in Angus beef cattle. Final antibody level and response to vaccination were based on neutralizing serum antibodies against bovine viral diarrhea virus type 2 (BVDV2). Calves were followed through development and the feedlot phase, with collection of yearling ultrasound (n = 957), preharvest (n = 762), and carcass (n= 673) data. In this study, 48% of the animals were ...


Genome-Wide Association And Prediction Of Direct Genomic Breeding Values For Composition Of Fatty Acids In Angus Beef Cattle, Mahdi Saatchi, Dorian J. Garrick, Richard G. Tait Jr., Mary S. Mayes, Mary E. Drewnoski, Jon P. Schoonmaker, Clara Diaz, Donald C. Beitz, James M. Reecy 2013 Iowa State University

Genome-Wide Association And Prediction Of Direct Genomic Breeding Values For Composition Of Fatty Acids In Angus Beef Cattle, Mahdi Saatchi, Dorian J. Garrick, Richard G. Tait Jr., Mary S. Mayes, Mary E. Drewnoski, Jon P. Schoonmaker, Clara Diaz, Donald C. Beitz, James M. Reecy

Animal Science Publications

As consumers continue to request food products that have health advantages, it will be important for the livestock industry to supply a product that meet these demands. One such nutrient is fatty acids, which have been implicated as playing a role in cardiovascular disease. Therefore, the objective of this study was to determine the extent to which molecular markers could account for variation in fatty acid composition of skeletal muscle and identify genomic regions that harbor genetic variation. Subsets of markers on the Illumina 54K bovine SNPchip were able to account for up to 57% of the variance observed in ...


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