Open Access. Powered by Scholars. Published by Universities.®

Animal Sciences Commons™

Open Access. Powered by Scholars. Published by Universities.®

2009

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 451 - 480 of 834

Full-Text Articles in Animal Sciences

Basking Behavior Of Emydid Turtles (Chysemys Picta Marginata, Graptemys Geographica, And Trachemys Scripta Elegans) In An Urban Landscape, W. E. Peterman, Travis J. Ryan Jan 2009

Basking Behavior Of Emydid Turtles (Chysemys Picta Marginata, Graptemys Geographica, And Trachemys Scripta Elegans) In An Urban Landscape, W. E. Peterman, Travis J. Ryan

Scholarship and Professional Work - LAS

Basking is common in emydid turtles and is generally accepted to be in thermoregulatory behavior. In 2004, we quantified and described the basking behavior of turtles in the Central Canal of Indianapolis. This canal system runs through an urban landscape that is dominated by fragmented woodlots, residential areas. and commercial areas. We observed that basking turtles exhibited variable basking behavior. with spatial and temporal shins in basking behavior from east-facing banks in the morning to west-facing banks in the afternoon. Turtles in the Central Canal are subject to frequent disturbance, which altered basking behavior. Many turtles forewent aerial basking on …

Go to article

Assessment Of River Herring And Striped Bass In The Connecticut River: Abundance, Population Structure, And Predator/Prey Interactions, Justin P. Davis, Eric T. Schultz, Jason Vokoun Jan 2009

Assessment Of River Herring And Striped Bass In The Connecticut River: Abundance, Population Structure, And Predator/Prey Interactions, Justin P. Davis, Eric T. Schultz, Jason Vokoun

EEB Articles

Populations of anadromous alewife Alosa pseudoharengus and blueback herring A. aestivalis, collectively referred to as river herring, have declined in the Connecticut River. An explanatory hypothesis for these declines is that predation pressures have increased as a result of recent increases in abundance of sympatric striped bass Morone saxatilis. We sampled river herring and striped bass from the stretch of the Connecticut River between Wethersfield, CT and Holyoke, MA during the vernal migration seasons of 2005-2008. The objectives of the sampling program were to assess abundance, temporal/spatial distribution, and population structure of both river herring and striped bass, …

Go to article

Estimating Predation On Declining River Herring: Tag-Recapture Study Of Striped Bass In The Connecticut River, Eric T. Schultz, Justin P. Davis, Jason Vokoun Jan 2009

Estimating Predation On Declining River Herring: Tag-Recapture Study Of Striped Bass In The Connecticut River, Eric T. Schultz, Justin P. Davis, Jason Vokoun

EEB Articles

Populations of anadromous alewife Alosa pseudoharengus and blueback herring Alosa aestivalis, collectively referred to as river herring, have declined in the Connecticut River. A hypothesis for why river herring have declined is that predation pressures have increased associated with recent increases in abundance of striped bass Morone saxatilis. Information on striped bass abundance, size structure, and consumption rates are required to test this hypothesis. This study was designed to provide estimates of striped bass population size in the Connecticut River during the spring migration season, via an intensive mark-recapture exercise and either an open or robust mark-recapture model. …

Go to article

Seal Bounties In Maine And Massachusetts, 1888 To 1962, Barbarai Lelli, David Harris Ph.D, Aboueissa Abouel-Makarim Jan 2009

Seal Bounties In Maine And Massachusetts, 1888 To 1962, Barbarai Lelli, David Harris Ph.D, Aboueissa Abouel-Makarim

Faculty Publications

Maine and Massachusetts paid bounties on seals during the 19th and 20th centuries. To determine the number of seals killed for bounty, we examined historical records of bounty claims, and used geographic information systems and multiple linear regression to find predictors of places where large numbers of bounties were paid. We found records of 24,831 bounties paid in Maine (1891-1945) and 15,690 in Massachusetts (1888-1962), Considering possible fraud, missing data, and seals struck and lost, this suggests that 72,284 to 135,498 seals were killed in the bounty hunt, probably enough to account for regional declines in seal populations. Larger numbers …

Go to article

Limnological Analyses Of Cutler Reservoir And Dingle Marsh With Respect To Eutrophication, J. D. Abbott, Deb Collins, Colin Cook, Dan Lamarra, Ryan Leonard, Ben Marret, Justin Stout, Gilbert Rowley, Jeremy Rowley, Wayne A. Wurtsbaugh Jan 2009

Limnological Analyses Of Cutler Reservoir And Dingle Marsh With Respect To Eutrophication, J. D. Abbott, Deb Collins, Colin Cook, Dan Lamarra, Ryan Leonard, Ben Marret, Justin Stout, Gilbert Rowley, Jeremy Rowley, Wayne A. Wurtsbaugh

Watershed Sciences Faculty Publications

Cutler Reservoir is located in Cache county, Utah and was created for the purposes of irrigation, water storage and flood control. High nutrient loading to Cutler has raised concerns about the health of this system and has resulted in it being listed on the state's 303(d) list of impaired waters. The TMDL plan being drafted for Cutler lists dissolved oxygen and phosphorous as the key issues of concern. The underlying problem created by nutrient loading is eutrophication. If Cutler is to remain as a valuable source of recreation, wildlife habitat, and water for the Cache Valley we must understand the …

Go to article

Effects Of Feeding Wet Distillers Grains Plus Solubles On Feedlot Manure Value, Virgil R. Bremer, Terry J. Klopfenstein, Galen E. Erickson, Richard K. Koelsch, Raymond E. Massey, Judson Vasconcelos Jan 2009

Effects Of Feeding Wet Distillers Grains Plus Solubles On Feedlot Manure Value, Virgil R. Bremer, Terry J. Klopfenstein, Galen E. Erickson, Richard K. Koelsch, Raymond E. Massey, Judson Vasconcelos

Nebraska Beef Cattle Reports

Feeding wet distillers grains plus solubles (WDGS) improves the fertilizer value and net value of feedlot manure for all feedlot sizes. The net fertilizer value of feedlot manure increased 375% to 550% since 2006. Valuing manure at 2008 fertilizer nutrient prices and feeding 20% or 40% WDGS instead of feeding a corn-based diet improved profitability by $7 to $17 per steer finished ($4 to $11 per ton of manure).

Go to article

Comparison Of Dry Distillers Or Modified Wet Distillers Grains Plus Solubles In Wet Or Dry Forage Based Diets, Mallorie Willken, Terry L. Mader, Galen E. Erickson, Leslie J. Johnson Jan 2009

Comparison Of Dry Distillers Or Modified Wet Distillers Grains Plus Solubles In Wet Or Dry Forage Based Diets, Mallorie Willken, Terry L. Mader, Galen E. Erickson, Leslie J. Johnson

Nebraska Beef Cattle Reports

Modified wet distillers grains plus solubles (MDGS) or dry distiller grains plus solubles (DDGS) in combination with wet or dry forages were fed to growing steer calves (n =192). They were fed one of four treatments in a 2 x 2 factorial arrangement with factors as wet or dry forage and MDGS or DDGS for 105 days. Gain and feed-to-gain ratio (F:G) of steers fed MDGS were similar to those fed DDGS. Feeding wet forage significantly improved average daily gain (ADG) and F:G compared to feeding dry forage, which likely reflects forage quality in this study.

Go to article

The Effects Of Dietary Conjugated Linoleic Acid (Cla) On Fatty Acid Composition And Key Enzymes Of Fatty Acid Oxidation In Liver And Muscle Of Geese, Xuhui Zhang, Baowei Wang, Fangyu Long, Lei Wang, Zhigang Yang Jan 2009

The Effects Of Dietary Conjugated Linoleic Acid (Cla) On Fatty Acid Composition And Key Enzymes Of Fatty Acid Oxidation In Liver And Muscle Of Geese, Xuhui Zhang, Baowei Wang, Fangyu Long, Lei Wang, Zhigang Yang

Turkish Journal of Veterinary & Animal Sciences

The objective of this study was to determine the influence of conjugated linoleic acid (CLA) on fatty acid composition and key enzymes of fatty acid oxidation in liver and muscle of geese. A total of 192 1-day-old geese were randomly assigned to 1 of 4 dietary groups, and were fed for 56 days on diets containing 2.5% soybean oil (group A, control group) or 2.0% soybean oil with 0.5% CLA (group B), 1.0% soybean oil with 1.5% CLA (group C), and 2.5 % CLA (group D). Geese fed CLA had a decreased abdominal fat percentage (AFP) (P < 0.01) compared with the control. It was observed that dietary CLA levels had a significant effect on the body weight, weight gain, feed conversion rate (FCR) (P < 0.05), and feed intake (P < 0.01). Fatty acid composition showed a significant increase of the biologically active cis-9, trans-11 and trans-10, and cis-12 CLA isomers in both liver and muscle of geese fed CLA (P < 0.01). Dietary CLA led to an increase (P < 0.01) in saturated fatty acid (SFA) and a reduction in monounsaturated fatty acid (MUFA) (P < 0.05) concentrations in both liver and muscle. In liver, dietary CLA increased (P < 0.05) acyl CoA oxidase (ACO) activity, but did not affect carnitine palmitoyltransferase-I (CPT-I) activity compared with the control. CPT-I activity was significantly increased by 2.5% dietary CLA in muscle, where ACO activity was decreased at 1.5% CLA level. The results obtained suggested that geese can successfully incorporate CLA in both liver and muscle, which could be beneficial in the human diet, through provision of bioactive fatty acids with no detrimental effects on n-3 PUFA levels.

Go to article

Effect Of The Grains-To-Solubles Ratio In Diets Containing Wet Distillers Grains ± Solubles Fed To Finishing Steers, Corineah M. Godsey, Matt K. Luebbe, Joshua R. Benton, Galen E. Erickson, Terry J. Klopfenstein Jan 2009

Effect Of The Grains-To-Solubles Ratio In Diets Containing Wet Distillers Grains ± Solubles Fed To Finishing Steers, Corineah M. Godsey, Matt K. Luebbe, Joshua R. Benton, Galen E. Erickson, Terry J. Klopfenstein

Nebraska Beef Cattle Reports

Wet distillers grains plus solubles (WDGS) were fed at 0%, 20% or 40% (DM basis) with varying ratios of distillers grains (WDG) to distillers solubles (DS) to determine effect of inclusion level and amount of solubles on steer performance and carcass characteristics. There was no interaction between WDG inclusion level and WDG:DS ratio. As WDG ± S inclusion increased from 0% to 40% diet DM, final BW and average daily gain (ADG) increased linearly (P = 0.03), while feed-to-gain ratio (F:G) decreased linearly (P < 0.01). However, performance was not affected by the proportion of DS in WDG ± S (P > 0.10).

Go to article

2009 Beef Cattle Report Jan 2009

2009 Beef Cattle Report

Nebraska Beef Cattle Reports

Table of Contents 2009 Nebraska Beef Cattle Report

Cow/Calf
Effect of Winter Grazing System and Supplementation on Beef Cow and Progeny Performance
Effect of Estrus Synchronization with a Single Injection of Prostaglandin During Natural Service Mating
Limit Feeding Beef Cows with Bunkered Wet Distillers Grains Plus Solubles or Distillers Solubles
Estimating Livestock Forage Demand: Defining the Animal Unit
Moving Beyond Weight as the Only Predictor of Breeding Readiness: Using a Breeding Maturity Index
The Effects of Breeding Maturity on Dystocia and Rebreeding of the Primiparous Beef Female
An Economic Budget for Determining Co-Product Storage Costs

Growing
Replacing Fertilizer Nitrogen with …

Go to article

Effect Of Winter Grazing System And Supplementation On Beef Cow And Progeny Performance, Richard N. Funston, Jeremy Martin, Don C. Adams, Daniel Larson Jan 2009

Effect Of Winter Grazing System And Supplementation On Beef Cow And Progeny Performance, Richard N. Funston, Jeremy Martin, Don C. Adams, Daniel Larson

Nebraska Beef Cattle Reports

Cows grazed winter range (WR) or corn residue (CR) during late gestation and received protein supplement (PS) of 1 lb/day 28% CP cubes or no supplement (NS). Pre-calving and pre-breeding body weight (BW) and body condition score (BCS) were greater for PS and CR cows. Pregnancy rate was not affected by treatments. Calf weaning BW was greater for PS cows that grazed WR. Final BW and 12th rib fat tended to be greater for steers from cows on CR. Steers from PS cows graded a higher proportion USDA Choice or greater. More heifers were pubertal before breed¬ing from dams receiving …

Go to article

Fatty Acid Profile Of Three Beef Muscles From Yearlings And Calf-Fed Steers Fed Wet Distillers Grains Plus Solubles, Amilton S. De Mello Jr., Chris R. Calkins, Blaine E. Jenschke, Lasika S. Senaratne, Timothy P. Carr, Galen E. Erickson, Mike E. R. Dugan Jan 2009

Fatty Acid Profile Of Three Beef Muscles From Yearlings And Calf-Fed Steers Fed Wet Distillers Grains Plus Solubles, Amilton S. De Mello Jr., Chris R. Calkins, Blaine E. Jenschke, Lasika S. Senaratne, Timothy P. Carr, Galen E. Erickson, Mike E. R. Dugan

Nebraska Beef Cattle Reports

Two experiments were conducted to analyze the effects of wet distillers grains plus solubles (WDGS) finishing diets on the fatty acid profile of beef. Ribeye slices (m. Longissimus thoracis), tenderloins (m. Psoas major), and top blades (m. Infraspinatus) were analyzed. Calf-fed (Experiment 1) and yearling steers (Experiment 2) (n = 96 each) were allocated into three treatments of 0%, 15% or 30% WDGS (DM basis) for each experiment. For all muscles, polyunsaturated fatty acid (PUFA) levels were higher in beef from animals fed 30% WDGS. Except in tenderloins in Experiment 1, trans fatty acids increased linearly with …

Go to article

Modified Wet Distillers Grains Finishing Diets May Increase The Levels Of Polyunsaturated And Trans Fatty Acids Of Beef, Amilton S. De Mello Jr., Chris R. Calkins, Lasika S. Senaratne, Timothy P. Carr, Galen E. Erickson, Mike E. R. Dugan, Blaine E. Jenschke Jan 2009

Modified Wet Distillers Grains Finishing Diets May Increase The Levels Of Polyunsaturated And Trans Fatty Acids Of Beef, Amilton S. De Mello Jr., Chris R. Calkins, Lasika S. Senaratne, Timothy P. Carr, Galen E. Erickson, Mike E. R. Dugan, Blaine E. Jenschke

Nebraska Beef Cattle Reports

Yearling steers (n=268) were fed 0%, 10%, 20%, 30%, 40% or 50 % modified wet distillers grains with solubles (MWDGS; DM basis). Marbling attributes, intramuscular fat content and fatty acid profile of beef were analyzed. Treatments did not alter marbling score, marbling distribution or fat content. Slight differences were identified for marbling texture of Choice carcasses. Values of polyunsaturated, Omega 6 and trans fatty acids linearly increased as levels of modified wet distillers grains increased. Feeding this byproduct increases polyunsaturated, trans and Omega 6 fatty acids in beef.

Go to article

Wet Distillers Grains Plus Solubles Or Solubles In Feedlot Diets Containing Wet Corn Gluten Feed, Virgil R. Bremer, Joshua R. Benton, Matt K. Luebbe, Kathryn J. Hanford, Galen E. Erickson, Terry J. Klopfenstein, Rick Stock Jan 2009

Wet Distillers Grains Plus Solubles Or Solubles In Feedlot Diets Containing Wet Corn Gluten Feed, Virgil R. Bremer, Joshua R. Benton, Matt K. Luebbe, Kathryn J. Hanford, Galen E. Erickson, Terry J. Klopfenstein, Rick Stock

Nebraska Beef Cattle Reports

Effects of the addition of 0% to 40% wet distillers grains plus solubles (WDGS) or 0% to 20% condensed corn distillers solubles (CCDS) to feedlot diets containing high moisture corn (HMC) and 35% wet corn gluten feed (WCGF) were evaluated. As WDGS replaced HMC, average daily gain (ADG) decreased linearly and dry matter intake (DMI) tended to decrease. Replacement of HMC with WDGS in the 35% WCGF diet caused a linear decrease in ADG and a trend for a linear decrease in DMI. When CCDS replaced HMC, no difference in steer performance was observed. The sulfur content, rather than fat …

Go to article

Effects Of Wet Corn Gluten Feed And Roughage Inclusion Levels In Finishing Diets Containing Modified Distillers Grains Plus Solubles, Joshua R. Benton, Galen E. Erickson, Terry J. Klopfenstein, Matt K. Luebbe, Ronald Lindquist Jan 2009

Effects Of Wet Corn Gluten Feed And Roughage Inclusion Levels In Finishing Diets Containing Modified Distillers Grains Plus Solubles, Joshua R. Benton, Galen E. Erickson, Terry J. Klopfenstein, Matt K. Luebbe, Ronald Lindquist

Nebraska Beef Cattle Reports

A finishing trial evaluated wet corn gluten feed (WCGF) and roughage inclusion levels in diets containing 30% modified distillers grains plus solubles (MDGS, DM basis) using a 3 x 3 factorial treatment structure. No significant WCGF x roughage level interactions were observed. There was a quadratic response due to WCGF level for dry matter intake (DMI) and average daily gain (ADG), which were lowest for cattle fed 30% WCGF; however, feed-gain ratio (F:G) increased linearly with increasing WCGF. Gain responded quadratically and was lowest for cattle fed 0% corn silage. F:G and DMI increased linearly with increasing corn silage. Feedlot …

Go to article

Effects Of Roughage Source And Level With The Inclusion Of Wet Distillers Grains On Ruminal Metabolism And Nutrient Digestibility, Josh R. Benton, Galen E. Erickson, Terry J. Klopfenstein, Nathan F. Meyer, Crystal D. Buckner Jan 2009

Effects Of Roughage Source And Level With The Inclusion Of Wet Distillers Grains On Ruminal Metabolism And Nutrient Digestibility, Josh R. Benton, Galen E. Erickson, Terry J. Klopfenstein, Nathan F. Meyer, Crystal D. Buckner

Nebraska Beef Cattle Reports

Six ruminally cannulated steers were used in a 6 x 6 Latin square with treatments arranged as a 2 x 3 factorial with alfalfa hay or cornstalks included at a normal, low or zero level on an equal neutral detergent fiber (NDF) basis. The base finishing diet contained 30% wet distillers grains plus solubles (WDGS). No source x level interactions were observed. Roughage source had no effect on nutrient intake, dry matter (DM) and organic matter (OM) digestibility or ruminal pH. Digestibility of NDF tended to be higher for alfalfa hay compared to cornstalks. Ruminal pH, DMI and NDF intake …

Go to article

Effects Of Environmental Factors On Body Temperature Of Feedlot Cattle, Rodrigo Arias, Terry L. Mader Jan 2009

Effects Of Environmental Factors On Body Temperature Of Feedlot Cattle, Rodrigo Arias, Terry L. Mader

Nebraska Beef Cattle Reports

Tympanic temperature of 32 Angus steers (919 ± 7.5 lb) was measured with Micro-T ibuttons or the Stowaway data loggers. Environmental variables were collected using weather stations located in the pens to evaluate factors influencing body temperature. A multiple regression analysis was used to evaluate the effects of these factors on body temperature of feedlot cattle. Tympanic temperature tended to be higher for Stowaway compared to Micro-T data loggers (102.6 vs. 102.41°F ± 0.072, respectively; P = 0.053). Tympanic temperature was driven primarily by outgoing solar radiation and wind speed (R2=0.79).

Go to article

Fatty Acid Composition Of Beef From Cattle Fed Wet Distillers Grains Diets Supplemented With Vitamin E, Lasika S. Senaratne, Chris R. Calkins, Amilton S. De Mello Jr., Timothy P. Carr, Galen E. Erickson Jan 2009

Fatty Acid Composition Of Beef From Cattle Fed Wet Distillers Grains Diets Supplemented With Vitamin E, Lasika S. Senaratne, Chris R. Calkins, Amilton S. De Mello Jr., Timothy P. Carr, Galen E. Erickson

Nebraska Beef Cattle Reports

Crossbred yearlings (n = 90) were allotted to one of ten diets containing 0%, 20% and 40% wet distillers grains (WDG) with or without vitamin E supplementation and distillers solubles. Strip loin and tenderloin steaks were obtained and tested for their fatty acid profiles using gas chromatography. WDG diets increased linearly (P < 0.05) the polyunsaturated fatty acids (PUFA) containing 18 or more carbons and trans fatty acids in both muscles. No significant differences were found for total saturated and unsaturated fatty acids. Dietary inclusion of neither vitamin E nor distiller solubles significantly changed PUFA, trans, omega-6 or omega-3 fats in strip loins and tenderloins. Therefore, changes in the fat¬ty acid profile of beef are a consequence of WDG, not the solubles or vitamin E.

Go to article

A Rapid Method To Evaluate Oxidation Capacity Of Fresh Beef, Lasika S. Senaratne, Chris R. Calkins, Amilton S. De Mello Jr., Timothy P. Carr Jan 2009

A Rapid Method To Evaluate Oxidation Capacity Of Fresh Beef, Lasika S. Senaratne, Chris R. Calkins, Amilton S. De Mello Jr., Timothy P. Carr

Nebraska Beef Cattle Reports

A method to determine the capacity of beef to oxidize was developed by spectrophotometrically measuring the formation of conjugated dienes after inducing oxidation. The assay was tested by comparing the oxidation capacity and oxidation products (2-thiobabutaric acid reactive substances) of beef stored in a cooler with various packaging types. There was an inverse relationship between oxidation capacity and oxidation products. As oxidation increases, the oxidation capacity of samples declines. This method of measuring oxidation capacity provides useful information without having to wait for oxidation to occur.

Go to article

Vitamin E Mitigates The Boost In Lipid Oxidation Of Beef Due To Wet Distillers Grains Feeding, Lasika Senaratne, Chris R. Calkins, Amilton S. De Mello Jr., Galen E. Erickson Jan 2009

Vitamin E Mitigates The Boost In Lipid Oxidation Of Beef Due To Wet Distillers Grains Feeding, Lasika Senaratne, Chris R. Calkins, Amilton S. De Mello Jr., Galen E. Erickson

Nebraska Beef Cattle Reports

Beef tenderloin and strip loin steaks were obtained from yearlings (n = 90) fed 0%, 20% and 40% wet distillers grains (DM basis) with or without distillers solubles and vitamin E supplementation. Our aim was to increase the shelf life of case-ready beef by vitamin E supplementation to minimize the potential of lipid oxidation due to wet distiller grains feeding. Data from this study indicate that vitamin E supplementation significantly mitigates the increased oxidation potential of tenderloin and strip loin steaks during retail display due to WDG feeding.

Go to article

Impact Of A New Direct-Fed Microbial On Intake And Ruminal Ph, Kelsey Rolfe, Nathan Meyer, Galen E. Erickson, Terry J. Klopfenstein, Ryan Mass Jan 2009

Impact Of A New Direct-Fed Microbial On Intake And Ruminal Ph, Kelsey Rolfe, Nathan Meyer, Galen E. Erickson, Terry J. Klopfenstein, Ryan Mass

Nebraska Beef Cattle Reports

Nine ruminally fistulated steers were used in a metabolism experiment to evaluate the effect of a new direct-fed microbial (DFM) on acidosis. No statistical differences were observed in dry matter intake (DMI). Minimum pH was significantly lower in steers fed the DFM during grain adaptation, resulting in a greater change in ruminal pH and pH variance for steers fed DFM during grain adaptation. However, once steers were on the finishing diet, no differences were detected due to treatment.

Go to article

Energy Value Of Wet Distillers Grains In High Forage Diets, Brandon Nuttelman, Matt K. Luebbe, Joshua R. Benton, Terry J. Klopfenstein, Leslie Aaron Stalker, Galen E. Erickson Jan 2009

Energy Value Of Wet Distillers Grains In High Forage Diets, Brandon Nuttelman, Matt K. Luebbe, Joshua R. Benton, Terry J. Klopfenstein, Leslie Aaron Stalker, Galen E. Erickson

Nebraska Beef Cattle Reports

One hundred sixty crossbred steers were used to determine the energy value of wet distillers grains in high forage diets. By design, steers had similar intakes and gains across treatments. Diets included either wet distillers grains (WDGS) or dry rolled corn, sorghum silage, grass hay and supplement (DRC). Diets were formulated to meet degradable intake protein and metabolizable protein requirements. The energy value of wet distillers grains was calculated using the National Research Council model (1996). In this study, wet distillers grains contained 130% of the energy of dry rolled corn when fed in forage-based diets.

Go to article

Effects Of Substituting Wet Distillers Grains With Solubles In A Wet Corn Gluten Feed-Based Diet On Finishing Performance, Cody Nichols, Matt K. Luebbe, Galen E. Erickson, Rick Stock, Terry J. Klopfenstein Jan 2009

Effects Of Substituting Wet Distillers Grains With Solubles In A Wet Corn Gluten Feed-Based Diet On Finishing Performance, Cody Nichols, Matt K. Luebbe, Galen E. Erickson, Rick Stock, Terry J. Klopfenstein

Nebraska Beef Cattle Reports

A finishing study evaluated feeding a wet corn gluten feed (WCGF) ration containing no high moisture corn with varying inclusion levels of wet distillers grains plus solubles (WDGS), as well as a control diet containing 20% WDGS and 20% WCGF. Wet distillers grains with solubles replaced WCGF at 10%, 20%, 30% and 40% of the diet. As WDGS replaced WCGF, feed-to-gain ratio (F:G) decreased linearly. However, two steers developed polioencephalomalacia on the treatment that contained 40% WDGS. Steers fed the control diet containing 40% byproduct had greater average daily gain (ADG) and lower F:G than the average of all WCGF:WDGS …

Go to article

Estimating Livestock Forage Demand: Defining The Animal Unit, Tonya L. Meyer, Don C. Adams, Terry J. Klopfenstein, Jerry D. Volesky, Leslie Aaron Stalker, Richard N. Funston Jan 2009

Estimating Livestock Forage Demand: Defining The Animal Unit, Tonya L. Meyer, Don C. Adams, Terry J. Klopfenstein, Jerry D. Volesky, Leslie Aaron Stalker, Richard N. Funston

Nebraska Beef Cattle Reports

Animals were housed in individual pens and fed high quality (11% CP) meadow hay ad libitum daily to evaluate the effect of a beef animal’s physiological state (cow-calf pair vs. dry cow vs. yearling steer) on forage intake. Daily diet samples were composited by week and analyzed. Refusals were collected, composited by week per pen and analyzed. Dry matter intake (DMI) was different among treatments. The results indicate different physiological states or classes of cattle should be considered when calculating forage demand for stocking rate or feeding purposes.

Go to article

Effects Of Rumensin® And Tylan® In Finishing Diets With Wet Distillers Grains Plus Solubles, Nathan Meyer, Galen E. Erickson, Terry J. Klopfenstein, Joshua R. Benton, Matt K. Luebbe, Scott Laudert Jan 2009

Effects Of Rumensin® And Tylan® In Finishing Diets With Wet Distillers Grains Plus Solubles, Nathan Meyer, Galen E. Erickson, Terry J. Klopfenstein, Joshua R. Benton, Matt K. Luebbe, Scott Laudert

Nebraska Beef Cattle Reports

A total of 3,632 crossbred steers at three different sites (Nebraska, Colorado and Oklahoma) were utilized in a randomized complete block design (RCBD) study. Data were combined for the Colorado and Oklahoma trials. Steers were fed one of five treatments: 1) Traditional corn diet with Rumensin and Tylan (CORN+RT); 2) Wet distillers grains plus solubles (WDGS); 3) WDGS with Rumensin (WDGS+R); 4) WDGS with Rumensin and Tylan (WDGS+RT); and 5) WDGS with expanded dose range of Rumensin (44.4 g/ton) and Tylan (WDGS+HIRT) to evaluate the effects of Rumensin and Tylan in feedlot diets containing WDGS. In WDGS diets, feed-to-gain ratio …

Go to article

Composting Or Stockpiling Feedlot Manure: Nutrient Concentration And Recovery, Matt K. Luebbe, Galen E. Erickson, Terry J. Klopfenstein, Joshua R. Benton Jan 2009

Composting Or Stockpiling Feedlot Manure: Nutrient Concentration And Recovery, Matt K. Luebbe, Galen E. Erickson, Terry J. Klopfenstein, Joshua R. Benton

Nebraska Beef Cattle Reports

Manure stockpiled anaerobically or composted aerobically for 111 days was evaluated for nutrient concentration and recovery. Recovery of dry matter (DM) and organic matter (OM) was not different among storage methods. The proportion of organic nitrogen (N) was greater for composted manure while ammonium N was greater in stockpiles. Recovery of N from stockpiled manure was greater than from compost when ammonium N was measured on “fresh” samples and samples dried down to simulate field application. Anaerobic stockpiling of feedlot manure provides a greater amount of N for crops and similar amounts of DM and OM.

Go to article

Effect Of Dietary Cation-Anion Difference On Intake And Urinary Ph In High Concentrate Diets, Matt K. Luebbe, Galen E. Erickson, Terry J. Klopfenstein, Nathan Meyer Jan 2009

Effect Of Dietary Cation-Anion Difference On Intake And Urinary Ph In High Concentrate Diets, Matt K. Luebbe, Galen E. Erickson, Terry J. Klopfenstein, Nathan Meyer

Nebraska Beef Cattle Reports

Seven experiments evaluated the effect of basal diet and dietary cation-anion difference (DCAD) on urinary and fecal pH, and DMI. Dry-matter intake(DMI) was reduced by DCAD level in dry-rolled corn basal diets but not in diets that included 20% wet distillers grains (WDGS). Urinary pH decreased with DCAD level in all experiments. Fecal pH was not influenced by either DCAD level or basal diet. Altering DCAD in concentrate diets with or without WDGS does impacturinary pH.

Go to article

Limit Feeding Beef Cows With Bunkered Wet Distillers Grains Plus Solubles Or Distillers Solubles, Luke M. Kovarik, Matt K. Luebbe, Richard J. Rasby, Galen E. Erickson Jan 2009

Limit Feeding Beef Cows With Bunkered Wet Distillers Grains Plus Solubles Or Distillers Solubles, Luke M. Kovarik, Matt K. Luebbe, Richard J. Rasby, Galen E. Erickson

Nebraska Beef Cattle Reports

An experiment was conducted using 70 cows to evaluate performance when limit limit-fed grain byproducts. Cows in the wet distillers grains plus solubles (WDGS) treatment group and those in the distillers solubles (DS) treatment group were limit fed a diet containing 41% byproduct and 59% cornstalks. The control (CON) treatment consisted of ad libitum intake of 43% brome hay, 34% cornstalks and 23% alfalfa haylage. Cows fed WDGS were heavier compared to those in the DS and CON treatment groups. Average daily gain (ADG) tend¬ed to be greater for WDGS treatment compared to the CON treatment. These data suggest that …

Go to article

Feeding Distillers Grains And E. Coli O157:H7, Terry J. Klopfenstein, David R. Smith, Galen E. Erickson, Rodney A. Moxley Jan 2009

Feeding Distillers Grains And E. Coli O157:H7, Terry J. Klopfenstein, David R. Smith, Galen E. Erickson, Rodney A. Moxley

Nebraska Beef Cattle Reports

The diet of feedlot cattle may affect the bacterial population in the hindgut, includingE. coli O157:H7. Some research studies have shown a relationship between feeding of distillers grains and E. coli O157:H7 shedding. However, other studies do not show the same relationship. Our evaluation of research indicates feeding distillers grains is not related to 2007 ground beef recalls. Furthermore, interventions such as vaccination are more important than identifying various feedstuffs that may influence shedding.

Go to article

Using Wet Corn Gluten Feed To Adapt Cattle To Finishing Diets, Taia Huls, Matt K. Luebbe, William Griffin, Galen E. Erickson, Terry J. Klopfenstein, Rick Stock Jan 2009

Using Wet Corn Gluten Feed To Adapt Cattle To Finishing Diets, Taia Huls, Matt K. Luebbe, William Griffin, Galen E. Erickson, Terry J. Klopfenstein, Rick Stock

Nebraska Beef Cattle Reports

A feedlot trial was conducted to determine if wet corn gluten feed (WCGF) instead of forage could be used to adapt cattle to finishing rations and if this is economically feasible. Treatments were applied only during grain adaptation (26 days), and all steers were finished on a common diet (147 days) containing 35% WCGF. Steers adapted using WCGF had greater ADG and lower F:G. Treatment had no effect on carcass quality. Profits were higher for steers adapted to finishing diets using WCGF rather than those adapted with alfalfa hay.

Go to article

First Prev Next Last