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Articles 181 - 210 of 764
Full-Text Articles in Large or Food Animal and Equine Medicine
Evaluation Of Models To Predict Dry Matter Intake Of Forage Based Diets, Aksel Wiseman, Andrea K. Watson, Rick Stock, Terry Klopfenstein
Evaluation Of Models To Predict Dry Matter Intake Of Forage Based Diets, Aksel Wiseman, Andrea K. Watson, Rick Stock, Terry Klopfenstein
Nebraska Beef Cattle Reports
Dry matter intake (DMI) data from growing cattle experiments at the Eastern Nebraska Research and Extension Center were summarized in order to evaluate the accuracy of model predicted DMI. Cattle were fed individually (n = 78) or in pens (n = 15) and predicted DMI using the Beef Cattle Nutrient Requirements Model (BCNRM, 2016) was compared to observed DMI. The model over predicted DMI when total digestible nutrients (TDN) was less than 64%, under predicted DMI when dietary TDN was greater than 64%, and had a low accuracy, explaining less than 22% of the variation in DMI. An equation to …
Effect Of Rapeseed Inclusion In Late-Summer Planted Oat Pasture On Growing Performance Of Beef Steers, Devin A. Jakub, Hannah E. Riley, Kristin E. Hales, Steven D. Shackelford, Harvey C. Freetly, M. E. Drewnoski
Effect Of Rapeseed Inclusion In Late-Summer Planted Oat Pasture On Growing Performance Of Beef Steers, Devin A. Jakub, Hannah E. Riley, Kristin E. Hales, Steven D. Shackelford, Harvey C. Freetly, M. E. Drewnoski
Nebraska Beef Cattle Reports
An oat monoculture was planted in late summer at 100 lb/ac and compared to oats planted at 50 lb/ac with rapeseed included at 3 lb/ac. Seed cost of the oat monoculture ($20/ac) was greater than the mix ($15/ac). Initial forage yield was not affected by the inclusion of rapeseed with fall oat. Calf gain was significantly greater and cost of gain was significantly decreased when rapeseed was included due to the combination of greater gains and lesser seed cost. Including rapeseed in late summer planted oats may be beneficial for producers who want to graze growing calves in the fall.
Interaction Of Urea With Frequency And Amount Of Distillers Grains Supplementation On Growing Steer Rumen Digestion Parameters, Haley F. Linder, Joshua E. Sebade, Tyler J. Spore, M. E. Drewnoski, J. C. Macdonald
Interaction Of Urea With Frequency And Amount Of Distillers Grains Supplementation On Growing Steer Rumen Digestion Parameters, Haley F. Linder, Joshua E. Sebade, Tyler J. Spore, M. E. Drewnoski, J. C. Macdonald
Nebraska Beef Cattle Reports
Ruminally cannulated steers were used in 8 × 6 row-column design with 8 animals and 6 periods. Treatment design was a 2 × 2 × 2 factorial, with factors including amount of supplementation, frequency of supplementation, and inclusion of urea. Hay dry matter intake was reduced by increased amount of supplementation and by decreased frequency of supplementation. Total VFA concentration did not differ among treatments. Rumen ammonia-N concentration was impacted by an interaction of amount of supplementation and inclusion of urea but there was no effect of supplementation frequency. In situ NDF disappearance did not differ between daily and alternate …
Interaction Of Urea With Frequency And Amount Of Distillers Grains Supplementation For Growing Steers, Haley F. Linder, Zachary E. Carlson, M. E. Drewnoski, J. C. Macdonald
Interaction Of Urea With Frequency And Amount Of Distillers Grains Supplementation For Growing Steers, Haley F. Linder, Zachary E. Carlson, M. E. Drewnoski, J. C. Macdonald
Nebraska Beef Cattle Reports
A study was conducted to determine the interaction of urea with the frequency and amount of distillers grain supplementation for growing steers consuming forage. Steers were individually fed for 84 d and received ad libitum grass hay and 1 of 8 treatments. Treatment design was a 2 × 2 × 2 factorial. Supplement was fed either every day or 3x/ week, amount of supplement fed was 13.99 lb/week or 28.00 lb/week, and contained either no urea or 1.3% urea. Supplementation frequency and the inclusion of urea did not impact steer average daily gain. The amount of supplement did impacted steer …
Impact Of Urea On Corn Silage Growing Cattle Diets, Tyler J. Spore, Hannah C. Wilson, Nolan R. Meier, Galen E. Erickson, James C. Macdonald, Terry J. Klopfenstein, Andrea K. Watson
Impact Of Urea On Corn Silage Growing Cattle Diets, Tyler J. Spore, Hannah C. Wilson, Nolan R. Meier, Galen E. Erickson, James C. Macdonald, Terry J. Klopfenstein, Andrea K. Watson
Nebraska Beef Cattle Reports
Two experiments were conducted to evaluate the effects of increasing urea in a corn silage growing cattle diet and ensiling time impact on rumen undegradable protein content of corn silage. Four treatments (urea inclusion at 0, 0.5, 1, and 1.5% of diet dry matter) were evaluated in diets containing 95% corn silage using 10 ruminally and duodenally cannulated heifers. Corn silage was sampled 5 times (every 32 days) to determine rumen undegradable protein content. Intake and total tract digestibility of dry matter, organic matter, and neutral detergent fiber all increased linearly with increasing inclusion of urea in the diet. Measured …
Growth Performance In Livestock With Stress-Induced Low Birthweight Is Recovered By Clenbuterol Administration, Rachel L. Gibbs, Rebecca M. Swanson, Joslyn K. Beard, Ty B. Schmidt, Jessica Lynn Petersen, Dustin T. Yates
Growth Performance In Livestock With Stress-Induced Low Birthweight Is Recovered By Clenbuterol Administration, Rachel L. Gibbs, Rebecca M. Swanson, Joslyn K. Beard, Ty B. Schmidt, Jessica Lynn Petersen, Dustin T. Yates
Nebraska Beef Cattle Reports
Stress in pregnant livestock causes pathological low birthweight of the offspring and diminishes their muscle growth capacity. Using sheep as a model for beef cattle, this study determined that the limited growth capacity of offspring with stress-induced low birthweight could be recovered by postnatal treatments. Muscle in these animals has less growth-promoting β2 adrenergic activity and thus the injectable β2 adrenergic stimulant clenbuterol was used as a daily treatment. Lambs with stress-induced low birthweight continued to exhibit impaired muscle growth and feed efficiency well past the normal age for weaning. In addition, they began to put on excess fat around …
Zipaterol Supplementation Improved Indicators Of Well-Being, But Not Growth In Heat-Stressed Red Angus Steers, Pablo C. Grijalva, Duarte E. Diaz, Samuel R. Garcia, Ty B. Schmidt, Jessica Lynn Petersen, Dustin T. Yates
Zipaterol Supplementation Improved Indicators Of Well-Being, But Not Growth In Heat-Stressed Red Angus Steers, Pablo C. Grijalva, Duarte E. Diaz, Samuel R. Garcia, Ty B. Schmidt, Jessica Lynn Petersen, Dustin T. Yates
Nebraska Beef Cattle Reports
The effects of zilpaterol (β2 agonist) supplementation on respiration rate, body temperature, growth, and carcass traits were studied in chronically heat-stressed feedlot steers. Through a collaborative partnership with the University of Arizona, Red Angus steers were heat stressed (90-105oF) and fed zilpaterol-supplemented rations (Thermo-neutral control steers were pair-fed to the average feed intake of heat-stressed steers) for 30 days. Hot and cold carcass weights for heat-stressed cattle were 3% less than for controls, despite equal feed intake. Zilpaterol did not affect growth but improved the heat stress-induced hyperventilation and elevated body temperatures. Lighter carcass weights in heat-stressed cattle …
Inflammatory Modulators Improve Daily Gain Of Heat-Stressed Wethers, Micah S. Most, Pablo C. Grijalva, Dustin T. Yates
Inflammatory Modulators Improve Daily Gain Of Heat-Stressed Wethers, Micah S. Most, Pablo C. Grijalva, Dustin T. Yates
Nebraska Beef Cattle Reports
Inflammation during heat stress may mediate poor growth in livestock. The effects of anti-imflammatory treatments on muscle growth during chronic heat stress were evaluated by using meat lambs as a smaller cheaper model for feedlot steers. Wethers were maintained in normal (75oF) or heat stress (105oF for 12 hours/day, 85oF for 12 hours/day) environments for 30 days and received dexamethasone injections every 3 days, oral fish oil supplementation twice daily, or no intervention. Growth was tracked and muscles were weighed when harvested afterward. Dexamethasone and fish oil both increased average daily gain over the …
Impact Of Cow Size On Economic Profitability In Cow-Calf And Feedlot Production Systmes, Robert L. Ziegler, Elliott James Dennis, J. A. Musgrave, T. L. Meyer, R. Funston, Kathryn J. Hanford, J. C. Macdonald, J. Travis Mulliniks
Impact Of Cow Size On Economic Profitability In Cow-Calf And Feedlot Production Systmes, Robert L. Ziegler, Elliott James Dennis, J. A. Musgrave, T. L. Meyer, R. Funston, Kathryn J. Hanford, J. C. Macdonald, J. Travis Mulliniks
Nebraska Beef Cattle Reports
This study retrospectively evaluated the effect of cow size on profitability in the cow-calf segment and retained ownership of steer calves in the feedlot. Data were collected between 2005 to 2017 from the cowherd at Gudmundsen Sandhills Laboratory. From these data, two separate herds were assumed, one consisting of small-sized (1,000 lb) cows and another consisting of large-sized cows (1,220 lb) for the GSL cowherd. Larger cows weaned larger calves and produced heavier carcass weights of steers at slaughter. However, smaller cows generated more total pounds of output throughout the entire production system based on more calves retained in feedlots …
Statistics Used In The Nebraska Beef Cattle Report And Teir Purpose, University Of Nebraska-Lincoln
Statistics Used In The Nebraska Beef Cattle Report And Teir Purpose, University Of Nebraska-Lincoln
Nebraska Beef Cattle Reports
Te purpose of beef cattle and beef product research at UNL is to provide reference information that represents the various populations (cows, calves, heifers, feeders, carcasses, retail products, etc) of beef production. Obviously, the researcher cannot apply treatments to every member of a population; therefore he/she must sample the population. Te use of statistics allows the researcher and readers of the Nebraska Beef Cattle Report the opportunity to evaluate separation of random (chance) occurrences and real biological effects of a treatment. Following is a brief description of the major statistics used in the beef report. For a more detailed description …
Economics Of Grazing Calves On Oats Planted After Corn Silage In Eastern Nebraska, Kallie J. Calus, Mckenna M. Brinton, Benjamin H. Hansen, Kristen M. Ulmer, Zachery E. Carlson, Fred H. Hilscher, M. E. Drewnoski, Jay Parsons, J. C. Macdonald
Economics Of Grazing Calves On Oats Planted After Corn Silage In Eastern Nebraska, Kallie J. Calus, Mckenna M. Brinton, Benjamin H. Hansen, Kristen M. Ulmer, Zachery E. Carlson, Fred H. Hilscher, M. E. Drewnoski, Jay Parsons, J. C. Macdonald
Nebraska Beef Cattle Reports
A five-year study (2015–2019) evaluated profitability of planting and grazing an oats cover crop after early harvested corn silage in eastern Nebraska. Oats were typically planted in the first week of September. Stocking rate ranged from 1.7 to 0.6 steers per acre and was based on oats biomass. Calves were turned out in early November each year and allowed to graze until oats biomass or weather limited intake. Grazing period ranged from 30 to 69 days. Average daily gain of calves ranged from 3.35 to 1.29 pounds with an average of 1.97 pounds. Shortened grazing seasons in some years were …
The Effect Of Intra-Articular Corticosteroids On The Systemic Messenger Rna Response In An Equine Experimental Inflammation Model, Emma Elaine Partridge
The Effect Of Intra-Articular Corticosteroids On The Systemic Messenger Rna Response In An Equine Experimental Inflammation Model, Emma Elaine Partridge
Theses and Dissertations--Veterinary Science
Intra-articular (IA) corticosteroids are regularly used in equine athletes for the control of joint inflammation. The goal of this study was to utilize an acute synovitis inflammation model to determine the residual effects of IA betamethasone and triamcinolone acetonide on various inflammatory parameters and lameness.
Five mixed-breed, 2-year-old horses were randomly allocated to an IA treatment of the radiocarpal joint with 9 mg of either betamethasone or triamcinolone acetonide. Two weeks following treatment, horses were injected with 1μg of lipopolysaccharide (LPS) diluted in 1 mL of 0.9% sterile saline. Following LPS injection, horses were crossed-over and both sets of injections …
Dehydration And Mortality Of Feral Horses And Burros: A Systematic Review Of Reported Deaths, John Derek Scasta, Eric Thacker, Jacob D. Hennig, Karl Hoopes
Dehydration And Mortality Of Feral Horses And Burros: A Systematic Review Of Reported Deaths, John Derek Scasta, Eric Thacker, Jacob D. Hennig, Karl Hoopes
Human–Wildlife Interactions
Water is a requirement for all organisms, including equids. Dehydration-caused mortality of feral horses (Equus ferus caballus) is often cited as a cause of concern and as justification for management of feral horses, yet a paucity of information exists on the matter. We conducted a systematic review from September 1, 2020 through January 15, 2021 of available news reports of feral horse and burro (E. asinus) dehydration mortalities and public interventions to save horses using a public search engine with a priori defined search term combinations and additional snowball sampling. We found 15 uniquely reported mortality …
Host Range, Biology, And Species Specificity Of Seven-Segmented Influenza Viruses—A Comparative Review On Influenza C And D, Chithra Sreenivasan, Zizhang Sheng, Dan Wang, Feng Li
Host Range, Biology, And Species Specificity Of Seven-Segmented Influenza Viruses—A Comparative Review On Influenza C And D, Chithra Sreenivasan, Zizhang Sheng, Dan Wang, Feng Li
Maxwell H. Gluck Equine Research Center Faculty Publications
Other than genome structure, influenza C (ICV), and D (IDV) viruses with seven-segmented genomes are biologically different from the eight-segmented influenza A (IAV), and B (IBV) viruses concerning the presence of hemagglutinin–esterase fusion protein, which combines the function of hemagglutinin and neuraminidase responsible for receptor-binding, fusion, and receptor-destroying enzymatic activities, respectively. Whereas ICV with humans as primary hosts emerged nearly 74 years ago, IDV, a distant relative of ICV, was isolated in 2011, with bovines as the primary host. Despite its initial emergence in swine, IDV has turned out to be a transboundary bovine pathogen and a broader host range, …
Pets And Problems: Exploring Community Patterns In Calls For Animal Services, Paige Dejarnett
Pets And Problems: Exploring Community Patterns In Calls For Animal Services, Paige Dejarnett
Sociology and Criminology Undergraduate Honors Theses
Pets have historically been viewed as family members, children, property, or economic resources. However, research surrounding animal maltreatment has expressed this issue as an individually-based problem, rather than a community-based phenomenon. Correlations have been found between animal cruelty, antisocial behaviors, and future interpersonal violence, whether this correlation be a predictive relationship, or a resultant relationship. Past research has also found correlations between animal treatment practices and the rural/urban differences of this behavior. However, there are many community-based indicators that have not been explored to understand the distribution of animal maltreatment. This study aims to explore these ideas by analyzing the …
Estrogens Regulate Placental Angiogenesis In Horses, Shingo Haneda, Pouya Dini, Alejandro Esteller-Vico, Kirsten E. Scoggin, Edward L. Squires, Mats H. T. Troedsson, Peter Daels, Yasuo Nambo, Barry A. Ball
Estrogens Regulate Placental Angiogenesis In Horses, Shingo Haneda, Pouya Dini, Alejandro Esteller-Vico, Kirsten E. Scoggin, Edward L. Squires, Mats H. T. Troedsson, Peter Daels, Yasuo Nambo, Barry A. Ball
Maxwell H. Gluck Equine Research Center Faculty Publications
A sufficient vascular network within the feto-maternal interface is necessary for placental function. Several pregnancy abnormalities have been associated with abnormal vascular formations in the placenta. We hypothesized that growth and expansion of the placental vascular network in the equine (Equus caballus) placenta is regulated by estrogens (estrogen family hormones), a hormone with a high circulating concentration during equine gestation. Administration of letrozole, a potent and specific inhibitor of aromatase, during the first trimester (D30 to D118), decreased circulatory estrone sulfate concentrations, increased circulatory testosterone and androstenedione concentrations, and tended to reduce the weight of the fetus ( …
Decoding The Equine Genome: Lessons From Encode, Sichong Peng, Jessica L. Petersen, Rebecca R. Bellone, Theodore S. Kalbfleisch, N. B. Kingsley, Alexa M. Barber, Eleonora Cappelletti, Elena Giulotto, Carrie J. Finno
Decoding The Equine Genome: Lessons From Encode, Sichong Peng, Jessica L. Petersen, Rebecca R. Bellone, Theodore S. Kalbfleisch, N. B. Kingsley, Alexa M. Barber, Eleonora Cappelletti, Elena Giulotto, Carrie J. Finno
Veterinary Science Faculty Publications
The horse reference genome assemblies, EquCab2.0 and EquCab3.0, have enabled great advancements in the equine genomics field, from tools to novel discoveries. However, significant gaps of knowledge regarding genome function remain, hindering the study of complex traits in horses. In an effort to address these gaps and with inspiration from the Encyclopedia of DNA Elements (ENCODE) project, the equine Functional Annotation of Animal Genome (FAANG) initiative was proposed to bridge the gap between genome and gene expression, providing further insights into functional regulation within the horse genome. Three years after launching the initiative, the equine FAANG group has generated data …
Evaluating Large Spontaneous Deletions In A Bovine Cell Line Selected For Bovine Viral Diarrhea Virus Resistance, Aspen M. Workman, Michael P. Heaton, Dennis A. Webster, Gregory P. Harhay, Theodore S. Kalbfleisch, Timothy P. L. Smith, Shollie M. Falkenberg, Daniel F. Carlson, Tad S. Sonstegard
Evaluating Large Spontaneous Deletions In A Bovine Cell Line Selected For Bovine Viral Diarrhea Virus Resistance, Aspen M. Workman, Michael P. Heaton, Dennis A. Webster, Gregory P. Harhay, Theodore S. Kalbfleisch, Timothy P. L. Smith, Shollie M. Falkenberg, Daniel F. Carlson, Tad S. Sonstegard
Maxwell H. Gluck Equine Research Center Faculty Publications
Bovine viral diarrhea virus’s (BVDV) entry into bovine cells involves attachment of virions to cellular receptors, internalization, and pH-dependent fusion with endosomal membranes. The primary host receptor for BVDV is CD46; however, the complete set of host factors required for virus entry is unknown. The Madin-Darby bovine kidney (MDBK) cell line is susceptible to BVDV infection, while a derivative cell line (CRIB) is resistant at the level of virus entry. We performed complete genome sequencing of each to identify genomic variation underlying the resistant phenotype with the aim of identifying host factors essential for BVDV entry. Three large compound deletions …
Equine Influenza Virus And Vaccines, Fatai S. Oladunni, Saheed Oluwasina Oseni, Luis Martinez-Sobrido, Thomas M. Chambers
Equine Influenza Virus And Vaccines, Fatai S. Oladunni, Saheed Oluwasina Oseni, Luis Martinez-Sobrido, Thomas M. Chambers
Veterinary Science Faculty Publications
Equine influenza virus (EIV) is a constantly evolving viral pathogen that is responsible for yearly outbreaks of respiratory disease in horses termed equine influenza (EI). There is currently no evidence of circulation of the original H7N7 strain of EIV worldwide; however, the EIV H3N8 strain, which was first isolated in the early 1960s, remains a major threat to most of the world’s horse populations. It can also infect dogs. The ability of EIV to constantly accumulate mutations in its antibody-binding sites enables it to evade host protective immunity, making it a successful viral pathogen. Clinical and virological protection against EIV …
Steroidogenic Enzyme And Steroid Receptor Expression In The Equine Accessory Sex Glands, Robyn E. Ellerbrock, Giorgia Podico, Kirsten E. Scoggin, Barry A. Ball, Mariano Carossino, Igor F. Canisso
Steroidogenic Enzyme And Steroid Receptor Expression In The Equine Accessory Sex Glands, Robyn E. Ellerbrock, Giorgia Podico, Kirsten E. Scoggin, Barry A. Ball, Mariano Carossino, Igor F. Canisso
Maxwell H. Gluck Equine Research Center Faculty Publications
The expression pattern and distribution of sex steroid receptors and steroidogenic enzymes during development of the equine accessory sex glands has not previously been described. We hypothesized that equine steroidogenic enzyme and sex steroid receptor expression is dependent on reproductive status. Accessory sex glands were harvested from mature stallions, pre-pubertal colts, geldings, and fetuses. Expression of mRNA for estrogen receptor 1 (ESR1), estrogen receptor 2 (ESR2), androgen receptor (AR), 3β-Hydroxysteroid dehydrogenase/Δ5-4 isomerase (3βHSD), P450,17α hydroxylase, 17–20 lyase (CYP17), and aromatase (CYP19) were quantified by RT-PCR, and protein localization of AR, ER-α, ER-β, and 3βHSD were investigated by immunohistochemistry. Expression of …
Embryo Development And Reproductive Parameters Of Aluteal Cycles In Mares, Chun Kuen Mak
Embryo Development And Reproductive Parameters Of Aluteal Cycles In Mares, Chun Kuen Mak
LSU Doctoral Dissertations
Progestagen is crucial for regulating early pregnancy in most mammalian species, including the horse. This dissertation research sought to elucidate the effect of endogenous and exogenous progestagens on the early development of equine embryos and to characterize reproductive parameters in the subsequent estrus using a prostaglandin F2α-induced hypoluteal environment, namely the aluteal pregnancy model. The first chapter reviewed the life cycle of the corpus luteum and its progesterone secretory function in mares. The existing literature supports the notion that the early developing corpus luteum is responsive to prostaglandin F2α, and complete luteolysis or prevention of luteal …
Potential Role Of Acetylation On Equine Sperm Capacitation, Luis H. De Aguiar
Potential Role Of Acetylation On Equine Sperm Capacitation, Luis H. De Aguiar
LSU Master's Theses
A series of biochemical and physical modifications in the sperm during the transport in the female reproductive tract that make the sperm capable of fertilization are called capacitation. It is an important process since ejaculated sperm is not capable of fertilizing an oocyte before capacitation. The sperm modifications during the capacitation process include changes in membrane fluidity, tyrosine phosphorylation, calcium influx, pH increase and hyperpolarization, leading the sperm to achieve hypermotility and the acrosome reaction, which are also required for conventional in vitrofertilization (IVF). In vitro production of embryos leading to viable offspring has been successful in different …
Identification Of A Ruminant Origin Group B Rotavirus Associated With Diarrhea Outbreaks In Foals, Tirth Uprety, Chithra C. Sreenivasan, Ben M. Hause, Ganwu Li, Solomon O. Odemuyiwa, Stephan Locke, Jocelynn Morgan, Li Zeng, William F. Gilsenan, Nathan Slovis, Laurie Metcalfe, Craig N. Carter, Peter J. Timoney, David W. Horohov, Dan Wang, Erdal Erol, Emma Adam, Feng Li
Identification Of A Ruminant Origin Group B Rotavirus Associated With Diarrhea Outbreaks In Foals, Tirth Uprety, Chithra C. Sreenivasan, Ben M. Hause, Ganwu Li, Solomon O. Odemuyiwa, Stephan Locke, Jocelynn Morgan, Li Zeng, William F. Gilsenan, Nathan Slovis, Laurie Metcalfe, Craig N. Carter, Peter J. Timoney, David W. Horohov, Dan Wang, Erdal Erol, Emma Adam, Feng Li
Maxwell H. Gluck Equine Research Center Faculty Publications
Equine rotavirus group A (ERVA) is one of the most common causes of foal diarrhea. Starting in February 2021, there was an increase in the frequency of severe watery to hemorrhagic diarrhea cases in neonatal foals in Central Kentucky. Diagnostic investigation of fecal samples failed to detect evidence of diarrhea-causing pathogens including ERVA. Based on Illumina-based metagenomic sequencing, we identified a novel equine rotavirus group B (ERVB) in fecal specimens from the affected foals in the absence of any other known enteric pathogens. Interestingly, the protein sequence of all 11 segments had greater than 96% identity with group B …
Transcriptomic Analysis Of Equine Chorioallantois Reveals Immune Networks And Molecular Mechanisms Involved In Nocardioform Placentitis, Hossam El-Sheikh Ali, Shavahn C. Loux, Laura Kennedy, Kirsten E. Scoggin, Pouya Dini, Carleigh E. Fedorka, Theodore S. Kalbfleisch, Alejandro Esteller-Vico, David W. Horohov, Erdal Erol, Craig N. Carter, Jackie L. Smith, Barry A. Ball
Transcriptomic Analysis Of Equine Chorioallantois Reveals Immune Networks And Molecular Mechanisms Involved In Nocardioform Placentitis, Hossam El-Sheikh Ali, Shavahn C. Loux, Laura Kennedy, Kirsten E. Scoggin, Pouya Dini, Carleigh E. Fedorka, Theodore S. Kalbfleisch, Alejandro Esteller-Vico, David W. Horohov, Erdal Erol, Craig N. Carter, Jackie L. Smith, Barry A. Ball
Maxwell H. Gluck Equine Research Center Faculty Publications
Nocardioform placentitis (NP) continues to result in episodic outbreaks of abortion and preterm birth in mares and remains a poorly understood disease. The objective of this study was to characterize the transcriptome of the chorioallantois (CA) of mares with NP. The CA were collected from mares with confirmed NP based upon histopathology, microbiological culture and PCR for Amycolatopsis spp. Samples were collected from the margin of the NP lesion (NPL, n = 4) and grossly normal region (NPN, n = 4). Additionally, CA samples were collected from normal postpartum mares (Control; CRL, n = 4). Transcriptome analysis identified 2892 differentially …
Development Of A Perineural Injection Of The Caudal Cervical Spinal Nerve Roots In Horses, Jonuel A. Cruz-Sanabria
Development Of A Perineural Injection Of The Caudal Cervical Spinal Nerve Roots In Horses, Jonuel A. Cruz-Sanabria
LSU Master's Theses
Neck pain in horses can result in lameness and poor performance and can occur from arthritis of cervical articular process joints (APJs). Current treatment consists of direct injection of corticosteroids into the cervical APJs; however, this does not alleviate pain in all horses. New bone formation around the APJ can also result in compression of the spinal nerve roots and pain. The purpose of this study was to develop an ultrasound-guided cervical perineural injection technique and assess the safety of performing the technique in normal healthy horses. An ultrasound-guided cervical perineural injection technique of the caudal cervical spinal nerve roots …
Yeast Particle Encapsulation Of Scaffolded Terpene Compounds For Controlled Terpene Release, Ernesto R. Soto, Florentina Rus, Hanchen Li, Carli Garceau, Jeffrey Chicca, Mostafa Elfawal, David Gazzola, Martin K. Nielsen, Joseph F. Urban Jr., Raffi V. Aroian, Gary R. Ostroff
Yeast Particle Encapsulation Of Scaffolded Terpene Compounds For Controlled Terpene Release, Ernesto R. Soto, Florentina Rus, Hanchen Li, Carli Garceau, Jeffrey Chicca, Mostafa Elfawal, David Gazzola, Martin K. Nielsen, Joseph F. Urban Jr., Raffi V. Aroian, Gary R. Ostroff
Maxwell H. Gluck Equine Research Center Faculty Publications
Terpenes are naturally occurring compounds produced by plants that are of great commercial interest in the food, agricultural, cosmetic, and pharmaceutical industries due to their broad spectra of antibacterial, antifungal, anthelmintic, membrane permeation enhancement, and antioxidant biological activities. Applications of terpenes are often limited by their volatility and the need for surfactants or alcohols to produce stable, soluble (non-precipitated) products. Yeast particles (YPs) are hollow, porous microspheres that have been used for the encapsulation of terpenes (YP terpenes) by passive diffusion of terpenes through the porous YP cell walls. We here report the development of a second generation YP encapsulated …
Intrauterine Blood Plasma Platelet-Therapy Mitigates Persistent Breeding-Induced Endometritis, Reduces Uterine Infections, And Improves Embryo Recovery In Mares, Lorenzo G. T. M. Segabinazzi, Igor F. Canisso, Giorgia Podico, Lais L. Cunha, Guilherme Novello, Michael F. Rosser, Shavanh C. Loux, Fabio S. Lima, Marco A. Alvarenga
Intrauterine Blood Plasma Platelet-Therapy Mitigates Persistent Breeding-Induced Endometritis, Reduces Uterine Infections, And Improves Embryo Recovery In Mares, Lorenzo G. T. M. Segabinazzi, Igor F. Canisso, Giorgia Podico, Lais L. Cunha, Guilherme Novello, Michael F. Rosser, Shavanh C. Loux, Fabio S. Lima, Marco A. Alvarenga
Maxwell H. Gluck Equine Research Center Faculty Publications
Microorganisms, including pathogenic or opportunistic bacteria and fungi, may gain access to the uterus during breeding, and infectious endometritis plays a major role in equine subfertility. This study aimed to assess the post-breeding inflammatory response, endometrial culture, and embryo recovery of mares susceptible to persistent breeding-induced endometritis (PBIE) treated with plasma-rich (PRP) or -poor (PPP) plasma. Mares (n = 12) susceptible to PBIE had three cycles randomly assigned to receive intrauterine infusions of lactate ringer solution (LRS, control), or autologous PRP or PPP pre- (−48 and −24 h) and post-breeding (6 and 24 h). Mares were bred with fresh …
Effects Of Strong Oxidants Present In Acer Spp. On Hemolysis Methemoglobin Production In Equine Erythrocytes, Gabrielle Mcgeorge, Jeffrey Lehman
Effects Of Strong Oxidants Present In Acer Spp. On Hemolysis Methemoglobin Production In Equine Erythrocytes, Gabrielle Mcgeorge, Jeffrey Lehman
Undergraduate Honors Thesis Projects
Maple toxicosis is a deadly condition affecting equines after they have ingested wilted leaves of the genus Acer (i.e., maple species). It is characterized by hemolytic anemia and methemoglobinemia. Although the toxins responsible for causing toxicosis have not been identified, they are thought to be strong oxidants. The objective of this study is to determine the effect of eight compounds (galloyl derivatives) found in Acer spp. on hemolysis and methemoglobin production in bioassays with equine erythrocytes. Seven of the compounds are known constituents of Acer spp. that are commercially available. One of the compounds--acertannin--was isolated and characterized from leaf extracts …
An Inactivated Bacterium (Paraprobiotic) Expressing Bacillus Thuringiensis Cry5b As A Therapeutic For Ascaris And Parascaris Spp. Infections In Large Animals, Joseph F. Urban, Martin K. Nielsen, David Gazzola, Yue Xie, Ethiopia Beshah, Yan Hu, Hanchen Li, Florentina Rus, Kelly Flanagan, Austin Draper, Sridhar Vakalapudi, Robert W. Li, Gary R. Ostroff, Raffi V. Aroian
An Inactivated Bacterium (Paraprobiotic) Expressing Bacillus Thuringiensis Cry5b As A Therapeutic For Ascaris And Parascaris Spp. Infections In Large Animals, Joseph F. Urban, Martin K. Nielsen, David Gazzola, Yue Xie, Ethiopia Beshah, Yan Hu, Hanchen Li, Florentina Rus, Kelly Flanagan, Austin Draper, Sridhar Vakalapudi, Robert W. Li, Gary R. Ostroff, Raffi V. Aroian
Maxwell H. Gluck Equine Research Center Faculty Publications
Ascaris and Parascaris are important parasites in the family Ascarididae, large, ubiquitous intestinal-dwelling nematodes infecting all classes of vertebrates. Parasitic nematode drug resistance in veterinary medicine and drug recalcitrance in human medicine are increasing worldwide, with few if any new therapeutic classes on the horizon. Some of these parasites are zoonotic, e.g., Ascaris is passed from humans to pigs and vice versa. The development of new therapies against this family of parasites would have major implications for both human and livestock health. Here we tested the therapeutic ability of a paraprobiotic or dead probiotic that expresses the Bacillus …
“Adopt-A-Tissue” Initiative Advances Efforts To Identify Tissue-Specific Histone Marks In The Mare, N. B. Kingsley, Natasha A. Hamilton, Gabriella Lindgren, Ludovic Orlando, Ernest Bailey, Samantha Brooks, Molly Mccue, Theodore S. Kalbfleisch, James N. Macleod, Jessica L. Petersen, Carrie J. Finno, Rebecca R. Bellone
“Adopt-A-Tissue” Initiative Advances Efforts To Identify Tissue-Specific Histone Marks In The Mare, N. B. Kingsley, Natasha A. Hamilton, Gabriella Lindgren, Ludovic Orlando, Ernest Bailey, Samantha Brooks, Molly Mccue, Theodore S. Kalbfleisch, James N. Macleod, Jessica L. Petersen, Carrie J. Finno, Rebecca R. Bellone
Maxwell H. Gluck Equine Research Center Faculty Publications
No abstract provided.