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Articles 1 - 30 of 60
Full-Text Articles in Meat Science
Microbial Community Structure From Southern High Plains Beef Cattle Feedyard Manure And Relationship With Nitrous Oxide Emissions, Heidi Waldrip, David Parker, Sierra Miller, Lisa M. Durso, Byeng R. Min, Daniel N. Miller, Kenneth Casey, Bryan Woodbury, Mindy J. Spiehs
Microbial Community Structure From Southern High Plains Beef Cattle Feedyard Manure And Relationship With Nitrous Oxide Emissions, Heidi Waldrip, David Parker, Sierra Miller, Lisa M. Durso, Byeng R. Min, Daniel N. Miller, Kenneth Casey, Bryan Woodbury, Mindy J. Spiehs
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Modern molecular techniques enable characterization of the microbial biome in livestock manure, from which there is particular concern over emission of greenhouse gases. This study evaluated how sampling depth, time, temperature, and artificial rainfall affected microbial community structure in feedyard manure, and relationships between the manure biome and known parameters related to nitrous oxide (N2O) emissions. In three large incubation chambers, maintained at different temperatures that received two applications of artificial rainfall, we evaluated manure microbiome composition and abundance of N2O-producing enzymes (nirK and nirS) using quantitative polymerase chain reaction (qPCR). These data were …
Evaluating The Shelf Life And Sensory Properties Of Beef Steaks From Cattle Raised On Different Grass Feeding Systems In The Western United States, Toni L. Duarte, Bakytzhan Bolkenov, Sarah C. Klopatek, James W. Oltjen, D. Andy King, Steven D. Shackelford, Tommy L. Wheeler, Xiang Yang
Evaluating The Shelf Life And Sensory Properties Of Beef Steaks From Cattle Raised On Different Grass Feeding Systems In The Western United States, Toni L. Duarte, Bakytzhan Bolkenov, Sarah C. Klopatek, James W. Oltjen, D. Andy King, Steven D. Shackelford, Tommy L. Wheeler, Xiang Yang
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Consumer interest in grass-fed beef has been steadily rising due to consumer perception of its potential benefits. This interest has led to a growing demand for niche market beef, particularly in the western United States. Therefore, the objective of this study was to assess the impact of feeding systems on the change in microbial counts, color, and lipid oxidation of steaks during retail display, and on their sensory attributes. The systems included: conventional grain-fed (CON), 20 months-grass-fed (20GF), 25-months-grass-fed (25GF) and 20-months-grass-fed + 45-day-grain-fed (45GR). The results indicate that steaks in the 20GF group displayed a darker lean and fat …
Genes Involved In Feed Efficiency Identified In A Meta-Analysis Of Rumen Tissue From Two Populations Of Beef Steers, Amanda K. Lindholm-Perry, Allison M. Meyer, Rebecca J. Kern-Lunbery, Hannah C. Cunningham-Hollinger, Taran H. Funk, Brittney N. Keel
Genes Involved In Feed Efficiency Identified In A Meta-Analysis Of Rumen Tissue From Two Populations Of Beef Steers, Amanda K. Lindholm-Perry, Allison M. Meyer, Rebecca J. Kern-Lunbery, Hannah C. Cunningham-Hollinger, Taran H. Funk, Brittney N. Keel
Roman L. Hruska U.S. Meat Animal Research Center: Reports
In cattle, the rumen is an important site for the absorption of feed by-products released by bacterial fermentation, and variation in ruminal function plays a role in cattle feed efficiency. Studies evaluating gene expression in the rumen tissue have been performed prior to this. However, validating the expression of genes identified in additional cattle populations has been challenging. The purpose of this study was to perform a meta-analysis of the ruminal transcriptome of two unrelated populations of animals to identify genes that are involved in feed efficiency across populations. RNAseq data from animals with high and low residual feed intake …
Prenatal Transportation Stress Did Not Impact Ovarian Follicle Count For Three Generations Of Female Brahman Offspring, Lacey K. Quail, Ronald D. Randel, Thomas H. Welsh Jr., Robert A. Cushman, Hannah K. Yake, Rui A. D'Orey Branco, Donald A. Neuendorff, Charles R. Long, George A. Perry
Prenatal Transportation Stress Did Not Impact Ovarian Follicle Count For Three Generations Of Female Brahman Offspring, Lacey K. Quail, Ronald D. Randel, Thomas H. Welsh Jr., Robert A. Cushman, Hannah K. Yake, Rui A. D'Orey Branco, Donald A. Neuendorff, Charles R. Long, George A. Perry
Roman L. Hruska U.S. Meat Animal Research Center: Reports
As prenatal transportation stress altered behavior and adrenal glucocorticoid secretion of calves, we hypothesized that prenatal transportation stress would decrease ovarian reserve size and negatively impact female offspring fertility. The impact of prenatal transportation stress on ovarian follicle numbers in female offspring for three generations was studied. Brahman cows were transported for 2 h on day 60 ± 5, 80 ± 5, 100 ± 5, 120 ± 5, and 140 ± 5 of gestation. Ovaries were collected from offspring of transported or non-transported dams at multiple ages. Primordial, primary, secondary, and antral follicles were histologically analyzed. Antral follicle numbers were …
Efficacy Of Antimicrobial Interventions Used In Meat Processing Plants Against Antimicrobial Tolerant Non–Antibiotic-Resistant And Antibiotic-Resistant Salmonella On Fresh Beef, Norasak Kalchayanand, Sapna Chitlapilly Dass, Yangjunna Zhang, Eric L. Oliver, Bing Wang, Tommy L. Wheeler
Efficacy Of Antimicrobial Interventions Used In Meat Processing Plants Against Antimicrobial Tolerant Non–Antibiotic-Resistant And Antibiotic-Resistant Salmonella On Fresh Beef, Norasak Kalchayanand, Sapna Chitlapilly Dass, Yangjunna Zhang, Eric L. Oliver, Bing Wang, Tommy L. Wheeler
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Salmonella is a common cause of foodborne illness in the United States, and several strains of Salmonella have been identified as resistant to antibiotics. It is not known whether strains that are antibiotic resistant (ABR) and that have some tolerance to antimicrobial compounds are also able to resist the inactivation effects of antimicrobial interventions used in fresh meat processing. Sixty-eight Salmonella isolates (non-ABR and ABR strains) were treated with half concentrations of lactic acid (LA), peracetic acid (PAA), and cetylpyridinium chloride (CPC), which are used in beef processing plants to screen for tolerant strains. Six strains each from non-ABR and …
Effects Of Administration Of A Growth Promoting Implant During The Suckling Phase Or At Weaning On Growth, Reproduction, And Ovarian Development In Replacement Heifers Grazing Native Range, Shelby L. Rosasco, Emily A. Melchior-Tiffany, Cierrah J. Kassetas, Shad H. Cox, Richard L. Dunlap, Jennifer A. Hernandez Gifford, Eric J. Scholljegerdes, Robert A. Cushman, Adam F. Summers
Effects Of Administration Of A Growth Promoting Implant During The Suckling Phase Or At Weaning On Growth, Reproduction, And Ovarian Development In Replacement Heifers Grazing Native Range, Shelby L. Rosasco, Emily A. Melchior-Tiffany, Cierrah J. Kassetas, Shad H. Cox, Richard L. Dunlap, Jennifer A. Hernandez Gifford, Eric J. Scholljegerdes, Robert A. Cushman, Adam F. Summers
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Management strategies utilized during pre-breeding development of replacement heifers can impact fertility and the ovarian reserve. Angus- Hereford crossbred heifers (n = 233) were utilized over a 3-yr period to determine the effects of administration of a growth promoting implant at either branding or weaning on growth, reproduction, and ovarian development. Heifer calves were randomly assigned to one of three treatments: 1) nonimplanted controls (CON; n = 79), 2) implanted at approximately 2 mo of age (average calf age = 58 d) with Synovex-C (BIMP, n = 82), or 3) implanted at approximately 7 mo of age (average calf …
Interaction Of Replacing Corn Silage With Soyhulls As A Roughage Source With Or Without 3% Added Wheat Straw In The Diet: Impacts On Intake, Digestibility, And Ruminal Fermentation In Steers Fed High-Concentrate Diets, Bryan W. Neville, Wayde J. Pickinpaugh, Lea J. Mittleider, Rebecca L. Moore, Kendall C. Swanson, Joel S. Caton
Interaction Of Replacing Corn Silage With Soyhulls As A Roughage Source With Or Without 3% Added Wheat Straw In The Diet: Impacts On Intake, Digestibility, And Ruminal Fermentation In Steers Fed High-Concentrate Diets, Bryan W. Neville, Wayde J. Pickinpaugh, Lea J. Mittleider, Rebecca L. Moore, Kendall C. Swanson, Joel S. Caton
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Six ruminally cannulated steers [475.0 ± 49.6 kg initial body weight (BW)] were used in a 6 × 3 incomplete Latin square design (six treatments and three periods), to evaluate the impacts replacing of corn silage with pelleted soyhulls as roughage in high-concentrate finishing diets containing 30% modified distillers grains with solubles. Treatments were based on increasing dietary inclusion of soyhulls and consisted of: (1) Control (0), roughage supplied by dietary inclusion of 20% corn silage [dry matter (DM) basis]; (2) 50% replacement of corn silage with soyhulls (50); (3) 100% replacement of corn silage with soyhulls (100), and the …
Development And Validation Of High-Resolution Melting Assays For The Detection Of Potentially Virulent Strains Of Escherichia Coli O103 And O121, Frank J. Velez, Joseph M. Bosilevac, Sabine Delannoy, Patrick Fach, Ravinder Nagpal, Prashant Singh
Development And Validation Of High-Resolution Melting Assays For The Detection Of Potentially Virulent Strains Of Escherichia Coli O103 And O121, Frank J. Velez, Joseph M. Bosilevac, Sabine Delannoy, Patrick Fach, Ravinder Nagpal, Prashant Singh
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Virulent strains of Shiga toxin-producing Escherichia coli (STEC) serogroups O103 and O121 are considered adulterants in beef. Two high-resolution melting (HRM) real-time PCR assays were standardized for the specific detection and discrimination of potentially virulent and avirulent strains of E. coli O103 and O121. The O103 HRM assay offered the possibility to distinguish clearly STEC O103:H2 from STEC O103:H25. The two standardized assays were extensively validated using 215 pure culture strains, laboratory inoculated food samples, and naturally contaminated beef (n = 84) and pork (n = 84) enrichments collected from the red meat surveillance program. Both HRM assays showed 100% …
Impacts Of Added Roughage On Growth Performance, Digestibility, Ruminal Fermentation, And Ruminal Ph Of Feedlot Steers Fed Wheat-Based Feedlot Diets Containing 30% Modified Distillers Grains With Solubles, Wayde J. Pickinpaugh, Bryan W. Neville, Rebecca L. Moore, Joel S. Caton
Impacts Of Added Roughage On Growth Performance, Digestibility, Ruminal Fermentation, And Ruminal Ph Of Feedlot Steers Fed Wheat-Based Feedlot Diets Containing 30% Modified Distillers Grains With Solubles, Wayde J. Pickinpaugh, Bryan W. Neville, Rebecca L. Moore, Joel S. Caton
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Two experiments were conducted to evaluate the inclusion rate roughage in wheat-based diets containing modified distillers grains with solubles (MDGS) on feedlot performance (Feedlot Experiment), as well as digestibility, ruminal pH, and ruminal fermentation characteristics (Digestibility Experiment). The feedlot experiment utilized 72 Angus steers (392 ± 46.3 kg initial body weight) which were randomly assigned to 1 of 12 pens, 3 pens per treatment, to evaluate feedlot performance and carcass characteristics. Dietary treatments were 1) control; 10% roughage, 2) 12% roughage, 3) 14% roughage, and 4) 16% roughage. The digestibility experiment used four ruminally and duodenally cannulated steers (393 ± …
Greater Numbers Of Antral Follicles In The Ovary Are Associated With Increased Concentrations Of Glucose In Uterine Luminal Fluid Of Beef Heifers, Alexandria P. Snider, Matthew S. Crouse, Shelby L. Rosasco, Kaitlin M. Epperson, Emmalee J. Northrop-Albrecht, Jerica J.J. Rich, Chadwick C. Chase Jr., Jeremy R. Miles, George A. Perry, Adam F. Summers, Robert A. Cushman
Greater Numbers Of Antral Follicles In The Ovary Are Associated With Increased Concentrations Of Glucose In Uterine Luminal Fluid Of Beef Heifers, Alexandria P. Snider, Matthew S. Crouse, Shelby L. Rosasco, Kaitlin M. Epperson, Emmalee J. Northrop-Albrecht, Jerica J.J. Rich, Chadwick C. Chase Jr., Jeremy R. Miles, George A. Perry, Adam F. Summers, Robert A. Cushman
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Increased antral follicles are associated with greater fertility and a uterine environment that is more supportive of early embryonic development in beef heifers. Glucose is a primary energy source for embryos, and glucose concentrations are elevated in uterine luminal fluid (ULF) of pregnant heifers. We hypothesized that ULF glucose concentrations and endometrial transcript abundance for glucose transporters on d16 after insemination would be greater in heifers with increased numbers of antral follicles. Heifers classified with either increased or diminished antral follicle counts were artificially inseminated following the CO-Synch protocol (d0). On d16 after insemination, reproductive tracts of heifers were collected …
Proteomic Analyses Identify Differences Between Bovine Epididymal And Ejaculated Spermatozoa That Contribute To Longevity, Saulo Menegatti Zoca, Emmalee J. Northrop-Albrecht, Julie A. Walker, Robert A. Cushman, George A. Perry
Proteomic Analyses Identify Differences Between Bovine Epididymal And Ejaculated Spermatozoa That Contribute To Longevity, Saulo Menegatti Zoca, Emmalee J. Northrop-Albrecht, Julie A. Walker, Robert A. Cushman, George A. Perry
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Sperm are stored for extended periods of time in the epididymis, but upon ejaculation motility is increased and lifespan is decreased. The objective of this study was to identify differences in proteins between epididymis and ejaculated samples that are associated with longevity. Ejaculated semen was collected from mature Angus bulls (n = 9); bulls were slaughtered and epididymal semen was collected. Epididymal and ejaculated semen were centrifuged to separate sperm and fluid. Fluids were removed and sperm pellets were resuspended in a high ionic solution and vortexed to remove loosely attached proteins. Sperm samples were centrifuged, and the supernatant was …
Effects Of Increasing Dietary Zinc Sulfate Fed To Gestating Ewes: Ii. Milk Somatic Cell Count, Microbial Populations, And Fatty Acid Composition, C. M. Page, R. M. Knuth, T. W. Murphy, D. C. Rule, B. Bisha, J. B. Taylor, W. C. Stewart
Effects Of Increasing Dietary Zinc Sulfate Fed To Gestating Ewes: Ii. Milk Somatic Cell Count, Microbial Populations, And Fatty Acid Composition, C. M. Page, R. M. Knuth, T. W. Murphy, D. C. Rule, B. Bisha, J. B. Taylor, W. C. Stewart
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Objective: The objective of the research was to evaluate the effects of increasing dietary Zn sulfate concentration for primiparous gestating ewes on subsequent milk SCC, intramammary microbial identifications, and fatty acid composition.
Materials and Methods: Commercial white-face (WF; n = 27) and black-face (BF; n = 24) ewes (age ≈18 mo; BW = 87.48 ± 8.37 kg) were sorted into breed-type groups and within groups ranked by BW, and then, they were randomly divided into 3 dietary supplement treatment groups: CON (n = 13; 40 mg/kg Zn; ≈1 × NASEM recommendations), Zn500 (n = 21; 500 mg/kg Zn; …
Effects Of Harvest Season On Carcass Characteristics Of Lambs In The Intermountain West, J. R. Whaley, T. W. Murphy, C. L. Gifford, W. J. Means, J. P. Ritten, H. N. Mckibben, C. M. Page, W. C. Stewart
Effects Of Harvest Season On Carcass Characteristics Of Lambs In The Intermountain West, J. R. Whaley, T. W. Murphy, C. L. Gifford, W. J. Means, J. P. Ritten, H. N. Mckibben, C. M. Page, W. C. Stewart
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Objective: The objectives of this study were to survey characteristics including hot carcass weight (HCW), 12th rib fat thickness (RFT), body-wall thickness (BWT), longissimus muscle area (LMA), USDA yield grade (USDA YG), percentage closely trimmed retail cuts (RC), and calculated yield grade (Calc YG) of lamb carcasses in the Intermountain West to determine the effects of season of slaughter and interrelationships among carcass characteristics.
Materials and Methods: Lamb carcass characteristics were evaluated in 2 commercial Intermountain West processing plants over one year (n = 10,027). Carcasses were evaluated by season: spring (December–April, n = 2,322) and summer (May–August, n …
Evaluation Of Salmonella Biofilm Cell Transfer From Common Food Contact Surfaces To Beef Products, Rong Wong, David A. King, Norasak Kalchayanand
Evaluation Of Salmonella Biofilm Cell Transfer From Common Food Contact Surfaces To Beef Products, Rong Wong, David A. King, Norasak Kalchayanand
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Meat contamination by Salmonella enterica is a serious public health concern. Available data have suggested that biofilm formation at processing plants and contaminated contact surfaces might contribute to meat contamination. Because transfer from contact surfaces to food products via direct contact has been deemed the most common bacteria transmission route that can lead to contamination, we evaluated the effect of Salmonella biofilm forming ability, contact surface material, and beef surface tissue type on Salmonella biofilm transfer from hard surfaces to beef products. Salmonella biofilms developed on the common contact surfaces stainless steel (SS) and polyvinylchloride (PVC) were transferred consecutively via …
Considerations And Best Practices In Animal Science 16s Ribosomal Rna Gene Sequencing Microbiome Studies, Margaret D. Weinroth, Aeriel D. Belk, Chris Dean, Noelle Noyes, Dana K. Dittoe, Michael J. Rothrock Jr, Steven C. Ricke, Phillip R. Myer, Madison T. Henniger, Gustavo A. Ramírez, Brian B. Oakley, Katie Lynn Summers, Asha M. Miles, Taylor B. Ault-Seay, Zhongtang Yu, Jessica L. Metcalf, James E. Wells
Considerations And Best Practices In Animal Science 16s Ribosomal Rna Gene Sequencing Microbiome Studies, Margaret D. Weinroth, Aeriel D. Belk, Chris Dean, Noelle Noyes, Dana K. Dittoe, Michael J. Rothrock Jr, Steven C. Ricke, Phillip R. Myer, Madison T. Henniger, Gustavo A. Ramírez, Brian B. Oakley, Katie Lynn Summers, Asha M. Miles, Taylor B. Ault-Seay, Zhongtang Yu, Jessica L. Metcalf, James E. Wells
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Microbiome studies in animal science using 16S rRNA gene sequencing have become increasingly common in recent years as sequencing costs continue to fall and bioinformatic tools become more powerful and user-friendly. The combination of molecular biology, microbiology, microbial ecology, computer science, and bioinformatics—in addition to the traditional considerations when conducting an animal science study—makes microbiome studies sometimes intimidating due to the intersection of different fields. The objective of this review is to serve as a jumping-off point for those animal scientists less familiar with 16S rRNA gene sequencing and analyses and to bring up common issues and concerns that arise …
Twenty-Four-Month Longitudinal Study Suggests Little To No Horizontal Gene Transfer In Situ Between Third-Generation Cephalosporin-Resistant Salmonella And Third-Generation Cephalosporin-Resistant Escherichia Coli In A Beef Cattle Feedyard, John W. Schmidt, Sarah A. Murray, Aaron M. Dickey, Tommy L. Wheeler, Dayna M. Harhay, Terrance M. Arthur
Twenty-Four-Month Longitudinal Study Suggests Little To No Horizontal Gene Transfer In Situ Between Third-Generation Cephalosporin-Resistant Salmonella And Third-Generation Cephalosporin-Resistant Escherichia Coli In A Beef Cattle Feedyard, John W. Schmidt, Sarah A. Murray, Aaron M. Dickey, Tommy L. Wheeler, Dayna M. Harhay, Terrance M. Arthur
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Third-generation cephalosporins (3GCs) are preferred treatments for serious human Salmonella enterica infections. Beef cattle are suspected to contribute to human 3GC-resistant Salmonella infections. Commensal 3GC-resistant Escherichia coli are thought to act as reservoirs of 3GC resistance because these strains are isolated more frequently than are 3GC-resistant Salmonella strains at beef cattle feedyards. During each of 24 consecutive months, four samples of pen surface material were obtained from five pens (N = 480) at a Nebraska feedyard to determine to the contribution of 3GC-resistant E. coli to the occurrence of 3GC-resistant Salmonella. Illumina whole genome sequencing was performed, and …
Meat Tenderness: Advances In Biology, Biochemistry, Molecular Mechanisms And New Technologies, Robyn D. Warner, Tommy L. Wheeler, Minh Ha, Xin Li, Alaa El-Din Bekhit, James Morton, Rozita Vaskoska, Frank R. Dunshea, Rui Lui, Peter Purslow, Wangang Zhang
Meat Tenderness: Advances In Biology, Biochemistry, Molecular Mechanisms And New Technologies, Robyn D. Warner, Tommy L. Wheeler, Minh Ha, Xin Li, Alaa El-Din Bekhit, James Morton, Rozita Vaskoska, Frank R. Dunshea, Rui Lui, Peter Purslow, Wangang Zhang
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Meat tenderness is an important quality trait critical to consumer acceptance, and determines satisfaction, repeat purchase and willingness-to-pay premium prices. Recent advances in tenderness research from a variety of perspectives are presented. Our understanding of molecular factors influencing tenderization are discussed in relation to glycolysis, calcium release, protease activation, apoptosis and heat shock proteins, the use of proteomic analysis for monitoring changes, proteomic biomarkers and oxidative/nitrosative stress. Each of these structural, metabolic and molecular determinants of meat tenderness are then discussed in greater detail in relation to animal variation, postmortem influences, and changes during cooking, with a focus on recent …
Gain-Of-Function Polymorphisms In Human Inflammasomes: Implications For Cystic Fibrosis, Duane Jeansonne, Samithamby Jeyaseelan
Gain-Of-Function Polymorphisms In Human Inflammasomes: Implications For Cystic Fibrosis, Duane Jeansonne, Samithamby Jeyaseelan
Faculty Publications
No abstract provided.
Sustainable Winter-Feeding Practices For Meat Goats Within The Southeastern United States, Nikisha Ryan, Nar Gurung, Jeremy Byrant, Frank Abrahamsen, Wendell Mcelhenney
Sustainable Winter-Feeding Practices For Meat Goats Within The Southeastern United States, Nikisha Ryan, Nar Gurung, Jeremy Byrant, Frank Abrahamsen, Wendell Mcelhenney
Professional Agricultural Workers Journal
Winter feeding systems were evaluated on male Kiko meat goats against the traditional practice of raising goats in the winter months. Forty-Five Kiko bucks were randomly assigned to one of three treatments; Treatment 1, Treatment 2, and Treatment 3 consisted, respectively, of Cosaque Oats, annual Ryegrass, Crimson Clover mix, and 1.0% of BW concentrate supplementation with free choice hay. Forage clippings were analyzed for dry matter, crude protein, and neutral detergent fiber. Body weights were monitored over the grazing period. Blood samples were collected during the experiment, and animals were slaughtered for the evaluation of carcass traits. Data were analyzed …
Impact Of Mixed Biofilm Formation With Environmental Microorganisms On E. Coli O157:H7 Survival Against Sanitization, Sapna Chitlapilly Dass, Joseph M. Bosilevac, Maggie Weinroth, Christian Elowsky, You Zhou, Angela Anandappa, Rong Wang
Impact Of Mixed Biofilm Formation With Environmental Microorganisms On E. Coli O157:H7 Survival Against Sanitization, Sapna Chitlapilly Dass, Joseph M. Bosilevac, Maggie Weinroth, Christian Elowsky, You Zhou, Angela Anandappa, Rong Wang
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Biofilm formation by foodborne pathogens is a serious threat to food safety and public health. Meat processing plants may harbor various microorganisms and occasional foodborne pathogens; thus, the environmental microbial community might impact pathogen survival via mixed biofilm formation. We collected floor drain samples from two beef plants with different E. coli O157:H7 prevalence history and investigated the effects of the environmental microorganisms on pathogen sanitizer tolerance. The results showed that biofilm forming ability and bacterial species composition varied considerably based on the plants and drain locations. E. coli O157:H7 cells obtained significantly higher sanitizer tolerance in mixed biofilms by …
Effect Of Method Of Drying Piglets At Birth On Rectal Temperature Over The First 24 H After Birth, Katherine D. Vande Pol, Andres F. Tolosa, Caleb M. Shull, Catherine B. Brown, Stephan A.S. Alencar, Michael Ellis
Effect Of Method Of Drying Piglets At Birth On Rectal Temperature Over The First 24 H After Birth, Katherine D. Vande Pol, Andres F. Tolosa, Caleb M. Shull, Catherine B. Brown, Stephan A.S. Alencar, Michael Ellis
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Piglets are born wet, and evaporation of that moisture decreases body temperature, increasing the risk of mortality. The objective of this study was to compare the effect of two commercially applicable methods for drying piglets at birth on piglet rectal temperature over 24 h after birth. The study was carried out in standard commercial farrowing facilities with 52 litters, using a completely randomized design with three Drying Treatments: Control (not dried); Desiccant (dried at birth using a cellulose-based desiccant); Paper Towel (dried at birth using paper towels). Litters were randomly allotted to treatments at the birth of the first piglet. …
Effect Of Drying And/Or Warming Piglets At Birth On Rectal Temperature Over The First 24 H After Birth, Katherine D. Vande Pol, Andres F. Tolosa, Caleb M. Shull, Catherine B. Brown, Stephan A. S. Alencar, Michael Ellis
Effect Of Drying And/Or Warming Piglets At Birth On Rectal Temperature Over The First 24 H After Birth, Katherine D. Vande Pol, Andres F. Tolosa, Caleb M. Shull, Catherine B. Brown, Stephan A. S. Alencar, Michael Ellis
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Piglets experience a rapid decrease in body temperature immediately after birth, increasing the risk of mortality. The objective of this study was to determine the effect of drying and/or warming piglets at birth on rectal temperature over the first 24 h after birth. The study was carried out at a commercial sow facility using a completely randomized design with four treatments (applied to piglets at birth): Control (no drying or warming), Desiccant (dried using a desiccant), Warming Box (placed in a box under a heat lamp for 30 min), and Desiccant + Warming Box (both dried and warmed as above). …
Buying Healthy Goats And Keeping Them That Way, Susan Kerr
Buying Healthy Goats And Keeping Them That Way, Susan Kerr
Professional Agricultural Workers Journal
Abstract
Starting a goat herd with healthy animals prevents expense and effort eliminating infectious diseases. Pre-purchase testing and examinations are worth their cost because of the savings realized through fewer animal illnesses, increased production, lower medication costs, and reduced culling. Key management practices such as hoof trimming, vaccinating, body condition scoring, and assessing parasite loads are needed to maintain herd health. Biosecurity practices must become routine to prevent the introduction and/or spread of contagious diseases. Several goat diseases are contagious to humans, so biosecurity measures must address this concern. Excellent record-keeping helps producers monitor health and production trends, document treatments, …
Comparison Of Productivity Of Different Breeds Of Meat Goats Under Low-To-Moderate-Input Systems In The United States, Richard Browning Jr., Maria L. Leite-Browning
Comparison Of Productivity Of Different Breeds Of Meat Goats Under Low-To-Moderate-Input Systems In The United States, Richard Browning Jr., Maria L. Leite-Browning
Professional Agricultural Workers Journal
Abstract
Boer and Kiko goats were imported in the 1990s to enhance the productivity of the US base population of Spanish meat goats. Successful breed introductions require adaptation to the destination environment. Well-planned, low-input management is a good route to meat goat enterprise profitability using proper goat genetics. Reproduction drives profit more than growth and carcass traits. Results of breed evaluation studies on doe reproductive and health traits, the Boer goat influence tended to be negative compared with Kiko and Spanish goat influences. Reduced doe herd reproductive output suggests reduced enterprise profitability. Differences in growth or carcass traits among sire …
Grazing System And Management For Goat Production, Steve Hart
Grazing System And Management For Goat Production, Steve Hart
Professional Agricultural Workers Journal
Abstract Grazing system management is for supplying inexpensive, adequate nutrition for the goat enterprise. This involves managing forages to facilitate dry matter production and managing grazing so forage quality is adequate and harvest efficiency is high while avoiding consuming internal parasites. Since nutrient costs are greatest for winter, the grazing system should be planned to provide some grazing during winter. The forage system should be managed to provide the greatest proportion of nutrients possible during kidding and lactation. The base forage species can be overseeded with cool-season or leguminous species to improve forage production, quality or the seasonal distribution of …
Year-Round Forage Production For Sustainable Goat Farming, Uma Karki
Year-Round Forage Production For Sustainable Goat Farming, Uma Karki
Professional Agricultural Workers Journal
Abstract
Goat farming in the U.S. is based on grazing lands. Forages available for grazing throughout most of the year are essential for supplying required nutrition for goats and minimizing production costs. Most goat farmers do not have pastures productive for an extended period. This situation results in poor performing animals and high production costs. Forage availability can improve by enhancing the productivity, quality, and production duration of pastures. The inclusion of browse species in grazing systems will also improve diet variety, minimize internal parasite problems, and better utilize the soil resources. Grazing opportunity can be extended by developing a …
Nutritional Requirements Of Different Classes Of Meat Goats, Nar Gurung
Nutritional Requirements Of Different Classes Of Meat Goats, Nar Gurung
Professional Agricultural Workers Journal
Abstract
Feeds provide nutrients to animals. Feeds can be grains, crop by-products or forages. Forages can form the basis of feeds for goats in the southeastern US because year-round forage production is possible. Since goats are classified as browsers, the forage program should consist of browse and pasture. Managing browse species as feed resources is challenging, and there is limited information relative to managing browse species. Hay is the main forage feed for goats in the region and average quality hay can meet nutrient requirements for maintenance. However, nutrient requirements for late-pregnancy, lactation, and growing goats cannot be met with …
Marketing Toward The Future, Niki Whitley, Susan Schoenian
Marketing Toward The Future, Niki Whitley, Susan Schoenian
Professional Agricultural Workers Journal
Abstract
United States goat producers face many challenges with regards to marketing. Although the demand for goat products is increasing, the market is fractured. There is a general lack of infrastructure and many producers do not sell their animals or products for fair or profitable prices. Production costs are too high, and there is a need to improve production efficiency. Imports pose a challenge to US goat producers, as domestic production cannot compete with the availability and lower cost of imports. Government regulations hinder market development because non-commercial slaughter is an important aspect of goat marketing, and regulations keep many …
Artificial Intelligence And Covid-19: Deep Learning Approaches For Diagnosis And Treatment, M. B. Jamshidi, A. Lalbakhsh, J. Talla, Z. Peroutka, F. Hadjilooei, P Lalbakhsh, M. Jamshidi, L. La Spada, M. Mirmozafari, M. Dehghani, A. Sabet, Sa. Roshani, So. Roshani, N. Bayat-Makou, B. Mohamadzade, Z. Malek, A. Jamshidi, S. Kiani, H. Hashemi-Dezaki, W. Mohyuddin
Artificial Intelligence And Covid-19: Deep Learning Approaches For Diagnosis And Treatment, M. B. Jamshidi, A. Lalbakhsh, J. Talla, Z. Peroutka, F. Hadjilooei, P Lalbakhsh, M. Jamshidi, L. La Spada, M. Mirmozafari, M. Dehghani, A. Sabet, Sa. Roshani, So. Roshani, N. Bayat-Makou, B. Mohamadzade, Z. Malek, A. Jamshidi, S. Kiani, H. Hashemi-Dezaki, W. Mohyuddin
Faculty Publications
COVID-19 outbreak has put the whole world in an unprecedented difficult situation bringing life around the world to a frightening halt and claiming thousands of lives. Due to COVID-19 & x2019;s spread in 212 countries and territories and increasing numbers of infected cases and death tolls mounting to 5,212,172 and 334,915 (as of May 22 2020), it remains a real threat to the public health system. This paper renders a response to combat the virus through Artificial Intelligence (AI). Some Deep Learning (DL) methods have been illustrated to reach this goal, including Generative Adversarial Networks (GANs), Extreme Learning Machine (ELM), …
Best Management Practices For Internal Parasite Control In Small Ruminants, Susan Schoenian, Enrique Nelson
Best Management Practices For Internal Parasite Control In Small Ruminants, Susan Schoenian, Enrique Nelson
Professional Agricultural Workers Journal
Abstract
Internal parasites represent a significant obstacle to a profitable and sustainable US goat industry. In some states, internal parasites are a year-round problem, while in others, they are a more seasonal challenge. Traditionally, parasite control methods relied heavily on antiparasitic drugs called anthelmintics or dewormers. Continued use and misuse of these drugs have resulted in increasingly resistant worm populations, necessitating more holistic or integrated methods of parasite control. A combination of practices will usually be necessary to achieve a satisfactory level of control. This paper discusses best management practices for controlling internal parasites in small ruminants, including pasture and …