Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 41 for “"meat science"”.
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The effects of dietary soy isoflavone supplementation on carcass cutability and meat quality of pigs infected with porcine reproductive and respiratory syndrome virus
… the viral effects on pig growth and meat quality is essential to characterizing the true impact of infection. Interventions to mitigate the detrimental effects of infection are necessary to successfully overcome these consequences. The objective of this research was to evaluate the …
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Harvest practices cause aberrations in pork quality
… reluctant to purchase products from fresh retail meat counters that exhibit significant color variations. This hesitation to purchase results in annual profit loss to the pork industry. Processes to minimize color variation remain a major focus of the industry and many meat science programs across …
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Effects of pelleting growing-finishing diets with distillers dried grains with solubles (DDGS) on growth performance, carcass characteristics, and commercial bacon slicing yields of barrows and gilts
… were slaughtered at the University of Illinois Meat Science Laboratory at the end of the 91 d feeding trial. Full gastrointestinal (GI) tract and GI tract component weights were recorded immediately following evisceration. Carcass characteristics and meat quality were determined after a 24 h …
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Transcription profiles of differentially marbled beef cattle
… were harvested at the University of Illinois Meat Science lab over the course of 4 months in early 2009. Samples of longissimus muscle were removed within 90 minutes post-mortem and stored at -80ºC prior to RNA extraction. At 24 h post-mortem, cattle were graded and pH, drip loss, color …
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Proteomic approaches for the identification of biomarkers of beef tenderness from Longissimus thoracis muscles and plasma of young Limousin-sired bulls
… and bioinformatic tools have been applied in meat science to identify biomarkers of beef quality. Nevertheless, there are still gaps in our understanding of the mechanisms lying behind the biomarkers and the biological pathways involved. The work in this thesis firstly assessed the feasibility …
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Feeding high oleic soybean oil to growing-finishing pigs: effects on growth performance, carcass characteristics, loin quality, and bacon attributes
… were transported to the University of Illinois Meat Science Laboratory and fabricated into primal and subprimal cuts to calculate carcass cutting yields. Fabricated loins were evaluated for fresh loin quality 1 d post-mortem including instrumental color, visual color, marbling, and firmness, pH, …
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Effect of ractopamine hydrochloride (Paylean®) on fresh meat and further processing characteristics of muscles from the shoulders of finishing pigs
… were to characterize the effects of RAC on fresh meat and further processing characteristics of muscle from the shoulder of finishing pigs. Two hundred and forty shoulders originating from 120 carcasses (60 barrows and 60 gilts) were selected from a commercial population of pigs. This study was …
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Beef Retailer Perception of Consumer Buying Habits
… the consumer and the retailer. The retail meat counter serves as the face for the beef industry and is responsible for communicating the positive role of beef to the consumer. Often times the consumer is believed to give a biased opinion of self perceived purchasing habits resulting in …
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Effects of birth weight and paylean inclusion level on the growth performance, carcass characteristics, and fresh pork quality parameters of pigs
… pigs were shipped to the University of Illinois Meat Science Laboratory and harvested according to standard procedures. Standard carcass and meat quality measurements (subjective color, firmness, and marbling, Minolta color, and drip loss) were taken ~24 hr post-mortem, and Warner-Bratzler shear …
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The Influence of Growth Stage on Carcass Composition and Factors Associated with Marbling Development in Beef Cattle
<p>Subcutaneous fat and intramuscular fat (marbling) both increase in beef cattle during the feeding phase, but are antagonistic in regard to their contribution to beef carcass value. The objective of this study was to determine whether cellular factors associated with marbling development change …
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Effects of Preovulatory Estradiol Concentration on Embryo Survival and Pregnancy Establishment in Beef Cows
<p>Estradiol exposure during the preovulatory period has been shown to affect the establishment and maintenance of pregnancy in beef cows. The mechanism by which estradiol affects pregnancy establishment and maintenance has not been well characterized. Previous studies have examined the effects of …
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The effects of ultimate pH and color on sensory traits of pork loin chops cooked to a medium-rare degree of doneness
… consumers use color more than any other meat quality trait to determine purchase intent. Furthermore, increasing ultimate pH positively influenced both sensory tenderness and juiciness scores when chops were cooked to 71˚C. However, in 2011, the USDA Food Safety and Inspection Service …
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The Effect of Copper and Zinc Source on Pre-Weaning Performance of Cows, Health and Performance of Suckling Calves, and Post-Weaning Feedlot Performance, Carcass Composition, and Meat Quality of Calves
… feedlot performance, carcass traits, and overall meat quality. Commercial cows primarily of Angus genetics (n=287) were randomly assigned to 1 of 2 treatment groups: 1) Maternal/pre-weaning – Inorganic (MPW-INORG): cows were supplemented with 15 mg/kg DM Cu and Zn in the form of CuSO4 and ZnSO4, …
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Establishing the relationships among carcass characteristics and meat quality traits of pork
… and transported to the University of Illinois Meat Science Laboratory. At the end of the 14-d aging period, loins were weighed, measured for stretched length (stretched to maximum length without distortion), compressed length (compressed to minimum length without distortion) and sliced into …
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A Comparative Life Cycle Assessment of Nutritionally Equivalent Meals with and without Pork
<p>The following report details a life cycle assessment of several dietary and meal scenarios with and without pork. The goal of the LCA was to identify the impacts of greenhouse gas emissions, water use, and land use of pork containing and porkless diets and meal plans in a field-to-fork analysis. …
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Effects of Enhancement Solution pH on Fresh and Cooked Color of Dark-Cutting Beef
<p>In two experiments, dark-cutting (DC) beef strip loins were used to test the effects of citric acid-enhancement pH on visual and instrumental color of fresh and cooked steaks. Dark cutting and normal pH strip loin were injected to 111% of raw product weight with pH 3.5, 4.0, 4.5, or 5.0 …
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Age End-Point Effects on Performance, Carcass Measurements, and Tenderness in Goats
<p>Goat meat is consumed all across the world, especially in developing countries. Moreover, the meat goat industry is growing in popularity in the United States due to ethnic demand of an increasing immigrant population. The objective of this study was to measure age end-point effects on …
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Effects of Amino Acid Supplementation of Reduced Crude Protein (RCP) Diets on the Performance and Carcass Quality of Growing-Finishing Swine
<p>Barrows and gilts (215/gender) were used to test the effects of synthetic AA supplementation of reduced CP diets on the growth performance and quality characteristics of the LM and the fatty acid composition of the LM and s.c. jowl fat from growing-finishing swine. Pigs were blocked by BW within …
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Meat Quality of Broiler Breast Fillets with White Striping and Woody Breast Muscle Myopathies
… has been faced with emerging broiler breast meat quality issues known as white striping and woody breast. Two experiments were conducted to evaluate effects of white striping and woody breast hardness on meat quality traits in broiler breast fillets. Birds were processed at 8 wk (Exp.1) and …
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The Influence of Chromium Supplementation on the Insulin Pathway, Carcass Traits, and Meat Quality of Feedlot Steers
… was to determine how Cr affects carcass traits, meat quality, and the insulin pathway in feedlot steers. Calf-fed steers were allotted to 0 ppb (CON) or 400 ppb Cr propionate (Cr400) for 210d in experiment 1. Two longissimus muscle (LM) biopsies were collected to examine protein abundance and …
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