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University of Arkansas, Fayetteville

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Articles 61 - 73 of 73

Full-Text Articles in Meat Science

The Impact Of Selected Forage Legumes On Cattle Performance, Forage Production, And Soil Quality, And Evaluation Of Legume Persistence Under Grazing, Bradley Edward Briggs Aug 2012

The Impact Of Selected Forage Legumes On Cattle Performance, Forage Production, And Soil Quality, And Evaluation Of Legume Persistence Under Grazing, Bradley Edward Briggs

Graduate Theses and Dissertations

Interest in substituting legumes for N fertilizer in beef cattle grazing systems has recently increased with rising fertilizer prices. Legumes are well known for their ability to fix atmospheric N and decrease dependence on input of N fertilizer. However, there are still difficulties associated with legume utilization including establishment and persistence. Two experiments were conducted to evaluate legume performance under herbivory. The objective of Experiment 1 was to compare forage production and beef cattle gains from annual ryegrass [Lolium multiflorum (L.)] and bermudagrass [Cynodon dactylon (L.) Pers.] pastures fertilized with N or overseeded with legumes. Gelbvieh × Angus …

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Growth Promoting Implants And Nutrient Restriction Prior To Feeding: Effect On Carcass Composition, Carcass Quality, And Consumer Acceptability Of Beef, Jessica Ann Robinette May 2012

Growth Promoting Implants And Nutrient Restriction Prior To Feeding: Effect On Carcass Composition, Carcass Quality, And Consumer Acceptability Of Beef, Jessica Ann Robinette

Graduate Theses and Dissertations

Implant strategy and nutrient restriction prior to finishing may alter feedlot performance, as well as carcass characteristics and consumer acceptability of beef. The objectives of these studies were to determine the effect of prefinishing implant strategy and plane of nutrition on prefinishing and feedlot performance, carcass characteristics and quality, and consumer acceptability of beef. In 2 experiments, spring-born calves were weaned in the fall (Exp. 1, n =120; and Exp. 2, n = 96) and were either finished as calves (CALF-FED) or placed on a growing program with a target ADG of 0.45 kg/d (RSTR) or 0.91 kg/d (UNRSTR) before …

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Effects Of Management Strategies And Molecular Breeding Values On Cattle Performance And Carcass Traits, Benjamin Collins Williamson May 2012

Effects Of Management Strategies And Molecular Breeding Values On Cattle Performance And Carcass Traits, Benjamin Collins Williamson

Graduate Theses and Dissertations

Forty-eight Gelbvieh x Angus steers (265 ¡À 40 kg) were utilized to determine the relationships among molecular breeding values (MBV), steer performance, and carcass traits. Body weight (BW), hip height (HH), hip width (HW), exit velocity (EV; rate at which steers exited the squeeze chute and traversed 1.8 m) and body ultrasound measurements of steers were recorded at d 0, 93 and 154 of grazing mixed stockpiled endophyte-infected and -free tall fescue. Tissue samples were collected for genomic profiling (Igenity, Merial Limited, Duluth, GA). Steers were transported to the Oklahoma State U fed for 159 d, harvested and carcass parameters …

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The Arkansas Meat Goat Enterprise Budget, Jessica House, H. I. Goodwin Jan 2012

The Arkansas Meat Goat Enterprise Budget, Jessica House, H. I. Goodwin

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Goats have long been the most populous livestock animals on the planet. They have been a staple food for many low-income countries. The United States has a growing demand for goat meat. There is an increase in ethnic cultures that desire goat meat as well as a growing interest from the general population. Goat meat is a healthy alternative compared to traditional red meats. Goats also pair well with other livestock animals due to their wide range of palatable feeds. They are commonly used in cattle operations for weed control because of their ability to consume noxious weeds. There is …

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The Effect Of Natural Antioxidants On Conjugated Linoleic Acid Yield During The Photoisomerization Of Soy Oil Linoleic Acid, Camille Schaffner, Andy Proctor Jan 2012

The Effect Of Natural Antioxidants On Conjugated Linoleic Acid Yield During The Photoisomerization Of Soy Oil Linoleic Acid, Camille Schaffner, Andy Proctor

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Dietary conjugated linoleic acid (CLA) is known to be effective in avoiding many obesity related diseases. Conjugated linoleic acid is a product of ruminant fermentation and 3.4 g/day are needed to obtain the clinical benefits. However, it is difficult to obtain sufficient CLA to realize these benefits from a healthy diet containing dairy and beef products, without increasing levels of dietary cholesterol and saturated fat. A 20% CLA soy oil with low saturated fat and no cholesterol has been produced by photoisomerization of linoleic acid in the triacylglyceride oil. Further increasing the CLA yields has been possible by addition of …

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Effects Of Lactate Dehydrogenase Haplotypes And Body Condition On Beef Cow Production, Olfat Taleb Alaamri Aug 2011

Effects Of Lactate Dehydrogenase Haplotypes And Body Condition On Beef Cow Production, Olfat Taleb Alaamri

Graduate Theses and Dissertations

Lactate dehydrogenase (LDH) catalyzes the conversion of the pyruvate to lactate (forward) or lactate to pyruvate (reverse) in the last step of glycolysis. Objectives were to document the effects of LDH haplotypes and its SNPs, found in the promoter and coding sequence site, and body condition on beef cow production. Four single nucleotide polymorphisms (SNP) of LDH-B and Five single nucleotide polymorphisms of LDH-A were detected. Eight haplotypes of LDH-B were assigned with the same order of SNPs: G-348A, A-261G, N-222D, and C541A and four haplotypes of LDH-A were assigned with the same order of SNPs: T-327G, D-263C, G390A, A406G, …

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The Antimicrobial Activity Of Cold Pressed Terpeneless Valencia Orange Oil At Cold Temperatures, Sean Jeffrey Pendleton May 2011

The Antimicrobial Activity Of Cold Pressed Terpeneless Valencia Orange Oil At Cold Temperatures, Sean Jeffrey Pendleton

Graduate Theses and Dissertations

This research was undertaken to identify an antimicrobial for use during chilling in beef processing, including periods of temperature abuse, as well as to evaluate membrane filtration as means to remove essential oils from bacteria to prevent further antibacterial action. Cold pressed terpeneless Valencia orange oil was examined in combination with various temperatures (37°C, 10°C, and 4°C) to determine its antimicrobial activity against various strains of bacteria. The strains were tested using a ninety-six well microtiter plate method, with or without membrane filtration. The compound 2, 3, 5-triphenyl tetrazolium chloride was used as a growth indicator. Serial, two fold dilutions …

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Letter From The Dean, Lalit Verma Jan 2009

Letter From The Dean, Lalit Verma

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.

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Effectiveness Of Zinc Given Intra-Nasally Or Orally To Newly Received Stocker Cattle Against Bovine Respiratory Disease And Effects On Growth Performance, Amy Guernsey, Beth Kegley, Jeremy Powell, Doug Galloway, Alicia White, Steve Breeding Jan 2009

Effectiveness Of Zinc Given Intra-Nasally Or Orally To Newly Received Stocker Cattle Against Bovine Respiratory Disease And Effects On Growth Performance, Amy Guernsey, Beth Kegley, Jeremy Powell, Doug Galloway, Alicia White, Steve Breeding

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Beef calves (n = 88) were purchased from regional auction barns and delivered as a single group. Upon arrival, cattle were assigned to eight pens. Pens were assigned randomly to one of three treatments; two pens received 3 mL of a nasal spray solution (10.8 mg Zn/mL) into each nostril using a single-use nasal atomizer; three pens received 40 mL of an oral drench (16.25 mg Zn/mL), and three pens received no Zn at processing (negative control). Appropriate treatments were administered at processing on d 0 of the 43-d study. After treatment, cattle were worked and housed so they did …

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Arkansas Animal Science Department Report 2006, Zelpha B. Johnson, D. Wayne Kellogg Dec 2006

Arkansas Animal Science Department Report 2006, Zelpha B. Johnson, D. Wayne Kellogg

Arkansas Agricultural Experiment Station Research Series

No abstract provided.

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Prediction Of The Tenderness Of Cooked Poultry Pectoralis Major Muscles By Near-Infrared Reflectance Analysis Of Raw Meat, Bradley R. Cheatham Jan 2005

Prediction Of The Tenderness Of Cooked Poultry Pectoralis Major Muscles By Near-Infrared Reflectance Analysis Of Raw Meat, Bradley R. Cheatham

Inquiry: The University of Arkansas Undergraduate Research Journal

Tenderness in boneless poultry breast meat is of utmost importance to consumers. However, there is currently no nondestructive method to predict poultry breast meat tenderness. Textural properties of poultry breast meat were predicted by near-infrared reflectance (NIR) spectroscopy. Spectra were collected on 390 poultry Pectoralis major muscles from broiler carcasses to examine the correlation between NIR spectroscopy and the Meullenet-Owens Razor Shear (MORS) test. Two instrumental parameters (maximum shear force and total shear energy) were used as estimates of meat tenderness. Calibration (R2 cal) and validation (r2 val) coefficients of determination were used for predicting instrumental measurements using the reflectance, …

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Stock Market Reactions To Unfavorable Product Information: A Case Study Of Comments On Beef Safety Made On An Oprah Winfrey Show, Elpida Ormanidou, Michael Thomsen Jan 2000

Stock Market Reactions To Unfavorable Product Information: A Case Study Of Comments On Beef Safety Made On An Oprah Winfrey Show, Elpida Ormanidou, Michael Thomsen

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

This study examines the impact of unfavorable media coverage on the stock market prices of major food companies, an issue of increasing importance to the food industry. The study focuses on the 16 April 1996 Oprah Winfrey Show, a popular television program that raised questions about the safety of the U.S. beef supply. The show resulted in considerable controversy, and some cattle feeders blamed the show for a drop in cattle prices. The focus of this study is on the impact of the program at other stages of the food system. We examined the stock returns of two major beef …

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Carcass Quality Of Inbred And Crossbred Uark Poland China Swine, M. C. Heck, E. S. Ruby Jan 1955

Carcass Quality Of Inbred And Crossbred Uark Poland China Swine, M. C. Heck, E. S. Ruby

Journal of the Arkansas Academy of Science

No abstract provided.

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