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Effects Of Sulfates In Water On Performance Of Steers Grazing Rangeland, Patricia S. Johnson, Hubert H. Patterson, Ronald Haigh Jan 2004

Effects Of Sulfates In Water On Performance Of Steers Grazing Rangeland, Patricia S. Johnson, Hubert H. Patterson, Ronald Haigh

South Dakota Beef Report, 2004

Surface and subsurface water in South Dakota often contains high concentrations of total dissolved solids (TDS) and sulfates, which, in severe cases, can cause livestock deaths. Data from our laboratory have demonstrated that sulfate concentrations of 3,000 ppm in water consumed by steers in dry-lot decreased ADG, feed intake, and water consumption. Little information is available on the effects of water sulfate concentrations on grazing livestock. This study evaluated the effects of water quality and two vegetation communities on the performance of steers grazing rangeland. Eight native pastures at the SDSU Cottonwood Research Station were used. Four pastures were dominated …

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Effects Of Thiamin Supplementation On Performance And Health Of Growing Steers Consuming High Sulfate Water, Earl H. Ward, Hubert H. Patterson Jan 2004

Effects Of Thiamin Supplementation On Performance And Health Of Growing Steers Consuming High Sulfate Water, Earl H. Ward, Hubert H. Patterson

South Dakota Beef Report, 2004

Thiamin injections are often used to treat sulfate induced polioencephalomalacia (PEM) in beef cattle. It is unclear whether supplemental thiamin will reduce the incidence of PEM and improve performance in steers consuming water with elevated sulfate levels. This study was conducted to determine the effects of thiamin supplementation on performance and health of growing steers consuming water with high sulfate levels. Sixty-three steers (737 ± 2.97 lb) were stratified by weight and randomly allotted to one of nine pens. Pens were assigned to one of three treatments (3 pens/treatment) based on water sulfates and thiamin supplementation. Treatments were: 1) low …

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Effects Of Supplying Water With Varying Levels Of Total Dissolved Solids And Sulfates To Steers During The Growing Period On Subsequent Finishing Performance, Kent E. Tjardes, Hubert H. Patterson, Cody L. Wright, Bradley D. Rops Jan 2004

Effects Of Supplying Water With Varying Levels Of Total Dissolved Solids And Sulfates To Steers During The Growing Period On Subsequent Finishing Performance, Kent E. Tjardes, Hubert H. Patterson, Cody L. Wright, Bradley D. Rops

South Dakota Beef Report, 2004

Previous results have shown that water with elevated total dissolved solids (TDS) and sulfates was detrimental to performance of growing steers. The objective of this study was to determine finishing performance of steers that had previously received different levels of water quality during the growing period. In yr 1, 78 steers (824 lb) were assigned to one of eight pens (2-4 pens/treatment) based on water supplied during the 84-d growing period. Water TDS and sulfates during growing were: 1) 1,020 and 400; 2) 4,840 and 3,090; and 3) 6,190 and 3,950 ppm of TDS and sulfates, respectively. In yr 2, …

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Getting More From Forages, Garry D. Lacefield Jan 2004

Getting More From Forages, Garry D. Lacefield

Forage Symposium at the Kentucky Cattlemen’s Convention

In human endeavors, results are usually highly correlated with investments in terms of thought, time, effort, and a certain amount of money. In particular, the best and most profitable forage programs have had the most thought put into them. Top producers strive to continue to improve their operations by developing strategies, practices, and procedures that will result in “GETTING MORE FROM FORAGES”.

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Composition And Nutritive Value Of Corn Co-Products From Dry Milling Ethanol Plants, Simone M. Holt, Robbi H. Pritchard Jan 2004

Composition And Nutritive Value Of Corn Co-Products From Dry Milling Ethanol Plants, Simone M. Holt, Robbi H. Pritchard

South Dakota Beef Report, 2004

The South Dakota ethanol industry is rapidly expanding. As a direct result of this expansion it is expected that in excess of 500,000 tons of corn co-products will be available to livestock enterprises annually as a feed source. Processing methods are, in general terms, similar among dry milling ethanol plants. However, newer technology and small deviations of methods can alter the nutritive value of the co-products. Subsequently, diet formulations using general nutritive values may be inaccurate and cause production inefficiencies. The objective of this research project was to characterize the composition and nutritive value of corn co-products produced from several …

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2004 Nebraska Swine Report Jan 2004

2004 Nebraska Swine Report

Nebraska Swine Reports

Contents

Nutrition
Body Composition, Protein Deposition, and Efficiency of Lysine Utilization of Growing Pigs Fed Crystalline or Protein-Bound Lysine
Dietary Antimicrobials in a Wean-to-Finish Facility
Update on Omega-3 Fatty Acids and Litter Size in Swine
Effects of Sow Dietary Glutamine Supplementation on Sow and Litter Performance, Subsequent Weanling Pig Performance, and Intestinal Development after an Immune Challenge
Energy and Nitrogen Utilization of Corn Rootworm Protected Corn (Event MON 863) and Similar Non-Transgenic Corn in Young Pigs
Effect of Increasing Dietary Crude Protein Concentration on Growth Performance and Serum Insulin-Like Growth Factor-I Concentration

Genetics
Different Biological Responses of Pigs of Two …

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Nebraska 2004 Beef Cattle Report (Complete Volume) Jan 2004

Nebraska 2004 Beef Cattle Report (Complete Volume)

Nebraska Beef Cattle Reports

Contents

Cow-Calf
An Evaluation of Economic Efficiencies of Two Beef Systems from Calving to Harvest
A System for Wintering Spring-calving Bred Heifers Without Feeding Hay
Effect of Gestation and Supplementation on Intake of Low-quality Forage

Grazing
A Review of Corn Stalk Grazing on Animal Performance and Crop Yield
Feed Values for Annual Forages in Western Nebraska
Urea Inclusion in Forage Based Diets Containing Dried Distillers Grains
Effect of Distillers Grains or Corn Supplementation Frequency on Forage Intake and Digestibility
Dried Distillers Grains as a Grazed Forage Supplement

Finishing
Effects of Corn Bran and Degradable Protein Source on Microbial Protein Estimated …

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16th Biennial Cheese Industry Conference, Various Authors Jan 2004

16th Biennial Cheese Industry Conference, Various Authors

Cheese Industry Conference

No abstract provided.

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Natural History And Sexual Dimorphism Of The Eastern Hellbender, Cryptobranchus A. Alleganiensis, Robert Makowsky Jan 2004

Natural History And Sexual Dimorphism Of The Eastern Hellbender, Cryptobranchus A. Alleganiensis, Robert Makowsky

Theses, Dissertations and Capstones

The Eastern Hellbender’s natural history and morphology was examined. Field studies were done to examine the efficacy of different techniques (focusing on capturing larva) and diet analysis. Lab studies were done to determine if any sexual dimorphism exists in hellbenders using simple measurements (and ratios) and if this dimorphism could be used to reliably determine gender. Field studies were inconclusive due to the inability to find a reliable sample because of record rainfall. Lab studies revealed that a dimorphism does exist for one ratio (TG/TL, P=.048) and for several measurements. These measurements alone were not applicable for determining gender. …

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2004 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experiment Station, South Dakota State University, Cooperative Extension Service, South Dakota State University Jan 2004

2004 South Dakota Beef Report, Department Of Animal And Range Sciences, South Dakota State University, Agricultural Experiment Station, South Dakota State University, Cooperative Extension Service, South Dakota State University

South Dakota Beef Report, 2004

This is the 2004 South Dakota Beef Report. The articles published in this report summarize many of the beef cattle research activities conducted at South Dakota State University during 2004. The articles in this report have many levels of application. Some information has immediate application for your farm, ranch, or agribusiness. The articles include information on nutrition, feed management, reproductive management, health, growth and development, and economics of the cattle and beef industry in South Dakota.

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Breed Comparisons Of Weight, Weight Adjusted For Condition Score, Height, And Condition Score Of Beef Cows, J. A. Arango, L. V. Cundiff, L. D. Van Vleck Jan 2004

Breed Comparisons Of Weight, Weight Adjusted For Condition Score, Height, And Condition Score Of Beef Cows, J. A. Arango, L. V. Cundiff, L. D. Van Vleck

Roman L. Hruska U.S. Meat Animal Research Center: Reports

Breeds were compared for differences in BW (n = 56,731), heights (n = 51,407) and body condition scores (BCS, n = 56,371) of 2- to 8-yr-old cows from four cycles of the Germplasm Evaluation (GPE) Program at the U. S. Meat Animal Research Center (U.S. Meat Animal Research Center). Angus, Hereford, and topcross cows from 22 breeds of sires were produced. The mixed model for repeated measures of BW, height, and BCS included random additive genetic and permanent environmental effects of the cow. Differences among crosses were significant for all traits. In general, BW, …

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Environmental Contaminants Associated With A Swine Concentrated Animal Feeding Operation And Implications For Mcmurtrey National Wildlife Refuge, Matthew S. Schwarz, Kathy R. Echols, Mark J. Wolcott, Karen J. Nelson Jan 2004

Environmental Contaminants Associated With A Swine Concentrated Animal Feeding Operation And Implications For Mcmurtrey National Wildlife Refuge, Matthew S. Schwarz, Kathy R. Echols, Mark J. Wolcott, Karen J. Nelson

United States Fish and Wildlife Service: Publications

Waste generated by concentrated animal feeding operations (CAFOs) may contain a variety of contaminants including nutrients, pathogens, trace elements, antibiotics, and hormones. In 2000, the U.S. Fish and Wildlife Service began to characterize CAFO contaminants in lagoons, canals, and created wetlands operated by Hastings Pork, a large swine CAFO adjacent to McMurtrey National Wildlife Refuge (McMurtrey) in Clay County, Nebraska. The created wetlands were designed to attract waterfowl; therefore, the primary purpose of this research was to evaluate whether migratory waterfowl were likely exposed to CAFO contaminants. A secondary research objective was to determine if created wetland water was suitable …

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Review: Re-Evaluation Of Phosphorus Requirements And Phosphorus Retention Of Feedlot Cattle, H. C. Block, G. E. Erickson, T. J. Klopfenstein Jan 2004

Review: Re-Evaluation Of Phosphorus Requirements And Phosphorus Retention Of Feedlot Cattle, H. C. Block, G. E. Erickson, T. J. Klopfenstein

Department of Animal Science: Faculty Publications

Phosphorus requirement recommendations for cattle are important for preventing over-feeding of P and excessive P excretion. Improved precision in managing P nutrition can reduce feedlot waste management concerns. Current beef recommendations (NRC, 1996) fail to account for absorption coefficient variation related to P source, whereas dairy recommendations (NRC, 2001) change absorption coefficients with P source. Maintenance and BW gain requirements for absorbed P do not represent underlying relationships. Maintenance P requirements reflect endogenous P loss arising from failure to reabsorb salivary P. Basing maintenance requirements on saliva P secretion and re-absorption rates should improve precision of maintenance requirement estimates. Gain …

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The Jackrabbit Dairy Review, Vikram Mistry Jan 2004

The Jackrabbit Dairy Review, Vikram Mistry

The Jackrabbit Dairy & Food Review

No abstract provided.

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Dairy Digest 2004, South Dakota State University Dairy Club Jan 2004

Dairy Digest 2004, South Dakota State University Dairy Club

Dairy Digest

No abstract provided.

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Dairies And Local Economic Development, Alvaro Garcia, Kenneth Kalscheur Jan 2004

Dairies And Local Economic Development, Alvaro Garcia, Kenneth Kalscheur

SDSU Extension Fact Sheets

This fact sheet is one in a series intended to answer — with science-based land-grant university research — questions frequently asked by the public about issues and needs affecting agricultural growth, urban expansion, and rural community development in South Dakota. During 2002, the year with latest available USDA figures, livestock production in South Dakota represented 50.7% of total agricultural cash receipts, followed by 42.4% for crops and 6.9% for government payments. Dairy products, at $178,176,000, were fifth of all agricultural cash receipts and were a highly significant portion of the state’s economy. In light of possible dairy expansion in the …

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A Low Rainfall Livestock Option: Analysis Of Fat Tail Sheep In The System, Evan Burt, Tanya Kilmister, Matthew Young Jan 2004

A Low Rainfall Livestock Option: Analysis Of Fat Tail Sheep In The System, Evan Burt, Tanya Kilmister, Matthew Young

Agriculture reports

This paper aims to briefly: • investigate farming systems issues in the medium and low rainfall regions of the South West Land Division of Western Australia; • identify options and opportunities for the fat tailed sheep breeds • capture some research about the tail; and • investigate market options surrounding the fat tailed sheep breeds. This analysis will provide a brief understanding of the scale of the fat tailed sheep breeds within Western Australia and provide a brief overview of products of the sheep highlighting potential opportunities.

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Energy And Nitrogen Utilization Of Corn Rootworm Protected Corn (Event Mon 863) And Similar Non-Transgenic Corn In Young Pigs, Robert L. Fischer, Phillip S. Miller Jan 2004

Energy And Nitrogen Utilization Of Corn Rootworm Protected Corn (Event Mon 863) And Similar Non-Transgenic Corn In Young Pigs, Robert L. Fischer, Phillip S. Miller

Nebraska Swine Reports

This experiment was conducted to compare the nutritional value, measured by digestible and metabolizable energy, and nitrogen digestibility in young pigs fed either corn rootworm protected test corn (event MON 863, RX740CRW) or a genetically similar non-transgenic control corn (RX740). The experiment used 12 barrows with an initial body weight of 74.5 lb. The pigs were housed individually in stainless steel metabolism crates and were randomly allotted to one of two corn treatments, either corn rootworm protected corn or non-transgenic control corn. Diets were formulated to contain 97.5% of test or control corn and 2.5% minerals and vitamins. The duration …

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Effects Of Index Selection On The Performance And Carcass Composition Of Sheep Given Foods Of Different Protein Concentrations Ad Libitum., R. M. Lewis, G. C. Emmans, G. Simm Jan 2004

Effects Of Index Selection On The Performance And Carcass Composition Of Sheep Given Foods Of Different Protein Concentrations Ad Libitum., R. M. Lewis, G. C. Emmans, G. Simm

Department of Animal Science: Faculty Publications

Sheep of a line selected on an index to increase carcass lean content at 150 days of age (selected (S); no. = 90), and an unselected control line (control (C); no. = 90), were given ad libitum foods of three different protein concentrations (192, 141 and 120 g/kg dry matter). Growth was measured from about 21 to 114 kg live weight. The carcasses of each line were analysed for lean, fat and bone at three widely varying weights in both males and females. Level of protein did not affect the extent to tohidi S was superior to C in the …

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Effects Of Two Dried Forages, And A Choice Between Them, On Intake, Growth And Carcass Composition In Lambs Of Two Breeds And Their Cross, R. M. Lewis, J. M. Macfarlane, G. C. Emmans Jan 2004

Effects Of Two Dried Forages, And A Choice Between Them, On Intake, Growth And Carcass Composition In Lambs Of Two Breeds And Their Cross, R. M. Lewis, J. M. Macfarlane, G. C. Emmans

Department of Animal Science: Faculty Publications

The effects of for age type, breed type and sex on lamb growth and carcass composition, and their changes throughout growth, were measured. The three breed types were Scottish Blackface (no. =31), Suffolk (no. =28) and their reciprocal cross (no. =30). The lambs were given ad libitum a pelleted rye grass alone, pelleted lucerne alone or a choice of both. Each lamb was scanned using X-ray computed tomography to measure the weights of fat, lean and bone in the carcass at three proportions of mature body weight (0-30, 0·45 and 0·65). Live weights and food intake data were recorded weekly. …

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Vaccination And Direct Fed Microbials As Intervention Strategies For Reduction Of E. Coli O157:H7 In Feedlot Steers, Jeffrey D. Folmer, Casey N. Macken, Galen E. Erickson, Terry J. Klopfenstein, Rodney A. Moxley, David R. Smith, Susanne Hinkley, Andrew A. Potter, B. Brett Finley Jan 2004

Vaccination And Direct Fed Microbials As Intervention Strategies For Reduction Of E. Coli O157:H7 In Feedlot Steers, Jeffrey D. Folmer, Casey N. Macken, Galen E. Erickson, Terry J. Klopfenstein, Rodney A. Moxley, David R. Smith, Susanne Hinkley, Andrew A. Potter, B. Brett Finley

Nebraska Beef Cattle Reports

A clinical trial was conducted to evaluate effects of two intervention strategies on the prevalence of E. coli O157:H7 shedding by feedlot steers using 384 steers and 48 pens. Intervention strategies were a direct fed microbial or vaccination against E. coli O157:H7. No differences in performance or carcass yield were observed for direct fed microbial or vaccination treatments, compared to the control. Vaccination significantly reduced the prevalence of E. coli O157:H7. In addition, we also observed a non-significant decrease in the prevalence of E. coli O157:H7 with inclusion of the direct fed microbial.

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Effect Of Gestation And Supplementation On Intake Of Low-Quality Forage, Tim W. Loy, Don C. Adams, Terry J. Klopfenstein, Jacqueline A. Musgrave, Andrew F. Applegarth Jan 2004

Effect Of Gestation And Supplementation On Intake Of Low-Quality Forage, Tim W. Loy, Don C. Adams, Terry J. Klopfenstein, Jacqueline A. Musgrave, Andrew F. Applegarth

Nebraska Beef Cattle Reports

Eighteen spring-calving heifers were paired by expected calving date and assigned to treatment. Treatments were a high undegradable intake protein supplement (CON) or one based on dry corn gluten feed (TRT). Heifers were fed to consume low-quality hay ad libitum. Supplement type did not affect body condition, milk production, or calf ADG. TRT heifers lost less weight than CON heifers. There was no effect of supplement on forage intake. Intake changed cubically with respect to calving; decreasing 17% during the three weeks prior to calving, and increasing 18% the week after calving.

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Consumer Preference And Value Of Beef With Country-Of-Origin Labeling, Bethany M. Sitz, Chris R. Calkins, Wendy J. Umberger, Dillon M. Feuz Jan 2004

Consumer Preference And Value Of Beef With Country-Of-Origin Labeling, Bethany M. Sitz, Chris R. Calkins, Wendy J. Umberger, Dillon M. Feuz

Nebraska Beef Cattle Reports

The 2002 Farm Bill mandates country- of-origin labeling for beef and other items by 2004. A majority (69.2%) of consumers in Denver and Chicago preferred a fresh beef strip steak with a label guaranteeing the meat came from a U.S. animal over an unlabeled steak. On average, consumers were willing to pay 18.7% more ($0.81/lb) for labeled product. When 17 attributes were rated for their desirability when purchasing beef, country-of- origin labeling ranked ninth; “freshness” and “inspected for food safety” were the most popular selection criteria. Food safety concerns were the primary reason consumers preferred beef labeled with country of …

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Effect Of Canihua (Chenopodium Pallidicaule Aellen), Wheat (Triticum Aestivum L.), And Soybean (Glycine Max M) Sprouts On The Feeding Of Guinea Pigs For Growth, Eddy Wilfredo Calle Ayma Jan 2004

Effect Of Canihua (Chenopodium Pallidicaule Aellen), Wheat (Triticum Aestivum L.), And Soybean (Glycine Max M) Sprouts On The Feeding Of Guinea Pigs For Growth, Eddy Wilfredo Calle Ayma

Theses and Dissertations

This study occurred during July, August, and September in the Small Animals Investigation and Production Center (CIPAM), dependent of the Faculty of Agricultural, Livestock, and Veterinary Sciences of the Technical University of Oruro, of the Central Highland of Bolivia. In order to satisfy guinea pig nutrition requirements, which are 2800.00 kcal/kg of energy, 18.00% protein, 10.00% fiber, 1.00% calcium, and 0.60% phosphorus, the following ingredients were used in feed: 11.30% yellow corn, 30.00% milled wheat [Bromus catharticus], 14.00% soy cake, 32.00% wheat bran, 9.00% alfalfa flour, 1.80% bone flour, 1.00% conchilla, 0.50% common salt, and 0.40% methionine. The effect that …

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Determination Of The Nutritional Level Of Calcium And Phosphorus In Llamas (Lama Glama) In Two Seasons In The Condoriri Agricultural Experiment Center, Gustavo Adolfo León Titichoca Jan 2004

Determination Of The Nutritional Level Of Calcium And Phosphorus In Llamas (Lama Glama) In Two Seasons In The Condoriri Agricultural Experiment Center, Gustavo Adolfo León Titichoca

Theses and Dissertations

The concentrations of calcium and phosphorus were determined in 12 llamas from the Condoriri Agricultural Experiment Center (Oruro Technical University) of Oruro, Bolivia during two seasons (wet and dry) and at three ages (newborn, juvenile, and adult). Samples of flesh were taken from the arm, leg, back, rib, and neck. Pasture samples (grassland and prairie) were used to determine the rate of biting of each animal studied. The blood samples were taken by extracting blood from a jugular vein. The minerals (Ca and P) in the flesh are highest in the wet season, 113.78 mg/100 g. The newborns were found …

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Botanical And Chemical Composition Of Diets Selected By Alpacas (Lama Pacos) Pastured In The Ulla Ulla Wetlands, Lino Constancio López López Jan 2004

Botanical And Chemical Composition Of Diets Selected By Alpacas (Lama Pacos) Pastured In The Ulla Ulla Wetlands, Lino Constancio López López

Theses and Dissertations

This study was done in the subtropical high Andes of Ulla Ulla. Its objectives were to determine the botanical composition, nutritional value, and preferred forages in the wetlands (hydromorphic and mesico) diet, by season (dry and wet), and by botanical family (12 families). Three-hundred sixty samples were collected from 6 alpacas with esophageal fistulations, and from them nutritional value and botanical composition were determined; the latter was compared with the botanical composition of the wetlands to determine preference. The results are highly significant (p<0.01) for botanical families, interaction between season and family, interaction of wetland type and family, and interaction of the season with wetland type and family. Species from the family Juncaceae were the most consumed with 27.78%, followed by moderate consumption of Cyperaceae (21.03%), Gramineae (15.02%), and Rosaceae (12.39%). Lower consumption occurred with Umbeliferaceae and Asteraceae with 6.61% and 5.64%, respectively, and the lowest consumption was of Plantaginaceae, Scrophulariaceae, minor plants, Gentianiaceae, unidentified plants, and Ranunculaceae with 2.86%, 2.50%, 2.17%, 2.08%, 1.03%, and 0.89%, respectively. The botanical families with the greatest preference value (PV) were Gramineae (PV=6.48), Scrophulariaceae (PV=8.75), Gentianiaceae (PV=7.55), and Ranunculaceae (PV=8.16). Proportional preference was observed in Juncaceae (PV=1.49), Cyperaceae (PV= -1.72), Rosaceae (PV=1.82), and Umbeliferaceae (PV= -0.82). The Asteraceae family was classified as a forced preference (PV= -6.29). The average nutritional value of the diet shows high values: 14.69% of raw protein, 14.58% ash, 85.42% organic matter, 21.43% raw fiber, and 31.00% neutral detergent fiber. It was concluded that alpacas efficiently select their diet for nutritional value, however, consumption is not appropriate, which results in negative live weight gain, especially in the dry season. On the other hand, the plants' preference values correspond to the lowest and one of the highest is a forced preference, according to the botanical composition of the wetland, which suggests that the preferred plants are repeatedly consumed in current continual pastures, and that alpacas are forced to consume unpalatable plants. This reflects on bad CANAPAS wetlands management in Ulla Ulla. Consequently, reversing this situation implies changes in pasture management and a reduction of the animal load.

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Animal Science Alumni Newsletter, Winter 2004 Jan 2004

Animal Science Alumni Newsletter, Winter 2004

Department of Animal Science: Departmental News

Contents:

Four Animal Science Faculty Awarded Omtvedt lnnovation Awards
Animal Science Leadership Academy
From the Department Head’s Desk
New Faculty
Animal Science Leadership Academy
Alum Earns First Degree in Culinary
Middle School Science Teacher Learns about Research First Hand
Sahs Exhibition Hall Named After Former Director
Former Department Head to Retire From University of Wisconsin
Animal Science Graduate Student Association (ASGSA)
Bud Britton Golf Classic
ASGSA Activities
Ambassador Activities
Equestrian Team Successful Again
Sixth Annual Block and Bridle Steak Fry
Recent Department Awards and Recognitions
Nold Receives Distinguished Specialist Award
Wolverton 2004 4-H Hero's Award
Notable Undergraduate
Beef Top 40 …

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A Comparison Of Consumer Sensory Acceptance And Value Of Domestic Beef Steaks And Steaks From A Branded, Argentine Beef Program, K. M. Killinger, Chris R. Calkins, W. J. Umberger, D. M. Feuz, Kent M. Eskridge Jan 2004

A Comparison Of Consumer Sensory Acceptance And Value Of Domestic Beef Steaks And Steaks From A Branded, Argentine Beef Program, K. M. Killinger, Chris R. Calkins, W. J. Umberger, D. M. Feuz, Kent M. Eskridge

Department of Animal Science: Faculty Publications

To determine consumer sensory acceptance and value of branded, Argentine (grass-finished, aged 30+ d) and domestic (U.S. grain-finished beef, aged 9 d) strip loins were paired based on similar Warner- Bratzler shear force values (P = 0.34) and similar marbling levels (P = 0.82). Consumers in Chicago, IL, and San Francisco, CA (n = 124 per city), evaluated one pair of Argentine and domestic steaks, and had the opportunity to participate in a silent, sealed-bid auction to purchase steaks matching the taste panel samples. Consumers were categorized into three groups based on overall acceptability ratings: 1) those who found Argentine …

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Effects Of Food Quality On Growth And Carcass Composition In Lambs Of Two Breeds And Their Cross, R. M. Lewis, J. M. Macfarlane, G. Simm, G. C. Emmans Jan 2004

Effects Of Food Quality On Growth And Carcass Composition In Lambs Of Two Breeds And Their Cross, R. M. Lewis, J. M. Macfarlane, G. Simm, G. C. Emmans

Department of Animal Science: Faculty Publications

The effects offood quality, breed type and sex (ram and ewe) on Iamb growth and carcass composition, and their changes throughout growth, were measured. The three breed typeswereScottish Blackface (B; no. = 24), Suffolk (S; no. = 28) and their reciprocal crosses (X; no. 33). The lambs had free access to a nutritionally non-limiting food, H, or a bulky food, L. Each lamb was scanned using X-ray computed tomography to measure the weights offat, lean and bone in the carcass at three degrees of maturity (0·30, 0·45 and 0·65) in live weight. Live weight and food intake data were recorded …

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Comparisons Of Angus, Charolais, Galloway, Hereford, Longhorn, Nellore, Piedmontese, Salers, And Shorthorn Breeds For Weight, Weight Adjusted For Condition Score, Height, And Condition Score Of Cows, Jesus Arango, L. V. Cundiff, L. Dale Van Vleck Jan 2004

Comparisons Of Angus, Charolais, Galloway, Hereford, Longhorn, Nellore, Piedmontese, Salers, And Shorthorn Breeds For Weight, Weight Adjusted For Condition Score, Height, And Condition Score Of Cows, Jesus Arango, L. V. Cundiff, L. Dale Van Vleck

Department of Animal Science: Faculty Publications

Breed differences for weight (CW), height (CH), and condition score (CS) were estimated from records (n &#;&#;12,188) of 2- to 6-yr-old cows (n &#; 744) from Cycle IV of the U.S. Meat Animal Research Center’s Germplasm Evaluation (GPE) Program. Cows were produced from mating Angus and Hereford dams to Angus, Hereford, Charolais, Shorthorn, Galloway, Longhorn, Nellore, Piedmontese, and Salers sires. Samples of Angus and Hereford sires were 1) reference sires born from 1962 through 1970 and 2) 1980s sires born in 1980 through 1987. The mixed model included cow age, season of measurement and their interactions, year of birth, pregnancy-lactation …

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