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Articles 1771 - 1800 of 9777
Full-Text Articles in Veterinary Medicine
Zilpaterol And Ractopamine: Reaching Consensus On Trace-Level Transfers To Racehorses, Jacob Machin, Kimberly Brewer, Clara K. Fenger, Sarah White-Springer, Abelardo Morales-Briceno, Thomas Tobin
Zilpaterol And Ractopamine: Reaching Consensus On Trace-Level Transfers To Racehorses, Jacob Machin, Kimberly Brewer, Clara K. Fenger, Sarah White-Springer, Abelardo Morales-Briceno, Thomas Tobin
Maxwell H. Gluck Equine Research Center Faculty Publications
In this article, we review the investigation of trace amounts of b-2 adrenergic agonists, a drug class that possess significant risk to the integrity of horse racing whether intentionally used or through the inadvertent contamination of feed.
Predicting Tomorrow: Optimizing The Early Detection Of Disease And Disease Recovery In Dairy Calves Using Precision Technologies, Melissa Cantor
Predicting Tomorrow: Optimizing The Early Detection Of Disease And Disease Recovery In Dairy Calves Using Precision Technologies, Melissa Cantor
Theses and Dissertations--Animal and Food Sciences
The leading causes of morbidity and mortality in preweaned dairy calves are diarrhea and bovine respiratory disease complex (BRD). The delayed detection of these diseases in calves can also delay intervention and disease recovery. The overarching objective of this dissertation was to follow a cohort of calves daily for the first 90 days of life for naturally occurring clinical BRD bouts and diarrheal bouts. The objective answered if feeding behaviors and activity levels were different in at-risk calves during BRD development and BRD recovery from an antimicrobial intervention. Furthermore, the potential of colostrum replacer as a feeding intervention strategy to …
Chemical Castration Using An Intratesticular Injection Of Mannitol: A Preliminary Studyin A Rat Model, Mohammad-Ali Maadi, Mehdi Behfar, Amir Rasaei, Ali Shalizar-Jalali, Gholamreza Najafi, Vahid Mohammadi
Chemical Castration Using An Intratesticular Injection Of Mannitol: A Preliminary Studyin A Rat Model, Mohammad-Ali Maadi, Mehdi Behfar, Amir Rasaei, Ali Shalizar-Jalali, Gholamreza Najafi, Vahid Mohammadi
Turkish Journal of Veterinary & Animal Sciences
This study was aimed to evaluated chemical sterilization using an intra-testicular injection of mannitol 20% in rats. Fifty male Wistar rats were divided into five groups, including 1) intact, 2) surgical castration and, 3 to 5) intra-testicular injections of normal saline, hypertonic saline, and mannitol, respectively. The baseline testosterone levels were measured. Surgical castration was performed in group 2. Intra-testicular injections were performed in groups 3, 4, and 5. On day 60, the testosterone level was evaluated. Then, sperm count, viability, motility, morphological abnormalities and DNA damage were studied. Gonadosomatic index was recorded on day 60. Serum testosterone level was …
Comparison Of Feed Value Of Amaranthus Powellii Willd. Forage To Some Roughagefeeds, Gökhan Fi̇li̇k, Ayşe Gül Fi̇li̇k
Comparison Of Feed Value Of Amaranthus Powellii Willd. Forage To Some Roughagefeeds, Gökhan Fi̇li̇k, Ayşe Gül Fi̇li̇k
Turkish Journal of Veterinary & Animal Sciences
The aim of this study was to compare the chemical composition, in vitro digestibility, protein and energy value, roughage value of Amaranthus powellii Willd. forage to the most commonly used alfalfa hay and wheat straw in ruminant nutrition. Amaranthus powellii Willd. forage has the potential to be a third quality roughage according to its relative feed value assessment of 104.55 ± 0.67. In addition, the relative forage quality assessment developed for feeding dairy cattle was 97.73 ± 0.05 for Amaranthus powellii Willd. forage, which had a higher the relative forage quality value than alfalfa hay and wheat straw, and it …
Female And Male-Controlled Livestock Holdings Impact Pastoralist Food Security And Women’S Dietary Diversity, Henriette Gitungwa, Christopher Gustafson, E.Y. Jimenez, E. Wesley F. Peterson, M. Mwanzalila, Asha Makweta, E. Komba, R.R. Kazwala, J.A.K. Mazet, Elizabeth Vanwormer
Female And Male-Controlled Livestock Holdings Impact Pastoralist Food Security And Women’S Dietary Diversity, Henriette Gitungwa, Christopher Gustafson, E.Y. Jimenez, E. Wesley F. Peterson, M. Mwanzalila, Asha Makweta, E. Komba, R.R. Kazwala, J.A.K. Mazet, Elizabeth Vanwormer
School of Veterinary and Biomedical Sciences: Faculty Publications
Background: Food insecurity is a global problem that requires a One Health approach. As many households in low- and middle-income nations rely on crops and livestock that they produce to meet their household’s needs, food security and nutrition are closely linked to the health of animals and the environment. Resources controlled by women are more often allocated to uses that benefit the entire household, such as food, health, and educating children, than men’s resources. However, studies of gender control of resources among pastoralist societies are scant. We examined the effect of female and male control of livestock resources on food …
Heeding The Call Of Covid-19, David Wiebers, Valery Feigin
Heeding The Call Of Covid-19, David Wiebers, Valery Feigin
Animal Sentience
We are grateful to all of our commentators. They have provided a wide range of valuable perspectives and insights from many fields, revealing a broad interest in the subject matter. Nearly all the commentaries have helped to affirm, refine, expand, amplify, deepen, interpret, elaborate, or apply the messages in the target article. Some have offered critiques and suggestions that help us address certain issues in greater detail, including several points concerning industrialized farming and the wildlife trade. Overall, there is great awareness and strong consensus among commentators that any solution for preventing future pandemics and other related health crises must …
The Platelet Rich Plasma Injection Application For Canine Legg-Calvé-Perthes Disease Treatment, Phanupong Chinnabrut
The Platelet Rich Plasma Injection Application For Canine Legg-Calvé-Perthes Disease Treatment, Phanupong Chinnabrut
Chulalongkorn University Theses and Dissertations (Chula ETD)
The etiology of canine Legg-Calve-Perthes disease (LCPD) is still unknown. The current treatments are conservative and surgery. Although non-steroidal anti-inflammatory drugs (NSAIDs), nutraceuticals, and rehabilitation were used in the conservative treatment, it only had a 25% success rate. In a dog with severe clinical signs and bony change in radiography, the femoral head and neck ostectomy were selected. This procedure could decrease pain, but in clinical evaluation with force plate and kinetic and kinematic measurements, the dogs were shown to have lameness. The total hip replacement was done in a dog with good clinical results, but cost was a limitation …
Molecular Detection And Genetic Diversity Of Rotavirus A In Domestic Dogs And Cats In Bangkok, Thailand, Ekkapat Chamsai
Molecular Detection And Genetic Diversity Of Rotavirus A In Domestic Dogs And Cats In Bangkok, Thailand, Ekkapat Chamsai
Chulalongkorn University Theses and Dissertations (Chula ETD)
Rotavirus A (RVA) in one of the important pathogens causing gastroenteritis in humans and many animal species. The zoonotic potential of RVA has been reported and raises major concerns, especially in high animal-human interfaces settings. The objectives of this thesis were to determine the occurrence of RVAs in dogs and cats, and to investigate the genetic diversity and genetic relationship among RVAs in dogs, cats, human, and other animal species. The total of 572 rectal swab samples were collected from dogs and cats in animal hospitals, in Bangkok and vicinities, during January 2020 to June 2021. The conventional one-step RT-PCR …
Selection Of Candidate Probiotic Bacteria From Chickens With Antagonism Against Campylobacter, Sirawich Danwanichwong
Selection Of Candidate Probiotic Bacteria From Chickens With Antagonism Against Campylobacter, Sirawich Danwanichwong
Chulalongkorn University Theses and Dissertations (Chula ETD)
Campylobacter is one of the most common causes of bacterial foodborne disease in humans worldwide. The effect of probiotics on Campylobacter control in poultry is inconsistent or rarely observed. For this reason, research on probiotics for Campylobacter control in poultry is required. Therefore, the objective of this study was to identify lactobacilli, Bacillus or Enterococcus strains isolated from Campylobacter-negative chickens which have the ability to inhibit the growth of Campylobacter in vitro and demonstrate favorable probiotic characteristics. A total of 602 bacterial isolates from Campylobacter-negative broiler chickens were assessed for their probiotic properties including Campylobacter inhibiting activity test, hemolytic activity …
Stress, Burnout, And Well-Being In New Veterinary Graduates: Evaluating A Pilot Online Professional Development Program, Addie Rose Reinhard
Stress, Burnout, And Well-Being In New Veterinary Graduates: Evaluating A Pilot Online Professional Development Program, Addie Rose Reinhard
Theses and Dissertations--Community & Leadership Development
Suicide, stress, and burnout are occurring at high rates among veterinary professionals, and the transition from student to practicing veterinarian has been shown to be a particularly stressful time. The aim of this study was to evaluate an online professional development program for new veterinary graduates incorporating peer social support and training in professional skills important for success in the transition to practice. In this mixed methods study, the program was evaluated qualitatively with focus group data and quantitatively by assessing knowledge gained and levels of stress, burnout, social support, and well-being. Seven new veterinary graduates participated in the program, …
Maturation Of Equine Proximal Sesamoid Bones In Thoroughbred Horses, Angela Maria Mangine
Maturation Of Equine Proximal Sesamoid Bones In Thoroughbred Horses, Angela Maria Mangine
Theses and Dissertations--Veterinary Science
Proximal sesamoid bone (PSB) injuries account for approximately 50% of all fatal catastrophic musculoskeletal injuries in Thoroughbred racehorses. In addition, PSB fractures are not uncommon in Thoroughbred foals and yearlings as a result of energetic or intense free exercise. The ability to interpret some PSB pathology assessments, however, is more difficult given the limited information published on the normal development and maturation of these paired sesamoid bones. In addition, the level of normal variation in PSB morphological and structural parameters within the Thoroughbred population as a function of age, body size, gender, and inter-animal variation are not well documented, complicating …
Structural Adaptation Of Equine Proximal Sesamoid Bones To High-Speed Exercise, Kathryn Mary Babiarz
Structural Adaptation Of Equine Proximal Sesamoid Bones To High-Speed Exercise, Kathryn Mary Babiarz
Theses and Dissertations--Veterinary Science
Proximal sesamoid bone (PSB) fractures are one of the most commonly reported catastrophic musculoskeletal injuries (CMI) in Thoroughbred racing. Despite the seriousness of these injuries, an understanding of the structural changes that occur normally within PSBs in response to the biomechanical forces of high-speed exercise and how they relate to pathological events leading to fracture remain limited. To address this critical knowledge gap, PSBs from Thoroughbred horses were analyzed with both computed tomography (CT) and microcomputed tomography (µCT) to assess their morphological and structural parameters. Comparisons were made using samples from the left and right forelimbs of Thoroughbreds of both …
An Assessment Of The Carrier State And A Novel Marker Of Leptospira And Abortion In Central Kentucky Horses, Gloria Louise Gellin
An Assessment Of The Carrier State And A Novel Marker Of Leptospira And Abortion In Central Kentucky Horses, Gloria Louise Gellin
Theses and Dissertations--Veterinary Science
Leptospirosis is a reemerging zoonotic infection of worldwide importance and affects all mammals. The bacterium is transmitted to animals and humans by urine, fetal membranes and body fluids. Leptospira shedding in the urine contaminates both soil and water, exposing both humans and animals to the bacterium. Leptospirosis in horses can cause abortion and is one of the etiologies of equine recurrent uveitis which can lead to blindness. Equine leptospiral abortion in Central Kentucky is primarily caused by serovar Pomona, with occasional cases attributed to serovar Grippotyphosa. There are a few reports in the literature attributing abortion to serovar Bratislava in …
Muscle Mass And Immune Function In The Senior Horse, Alisa Christina Herbst
Muscle Mass And Immune Function In The Senior Horse, Alisa Christina Herbst
Theses and Dissertations--Veterinary Science
Senior horses (≥ 15 years) represent up to one-third of the global equine population, and the proportion of old horses (≥ 20 years) in the U.S. has been steadily increasing. Aging is associated with a loss of skeletal muscle mass in horses, and while age-related muscle loss is comparingly well characterized in humans, little is currently known concerning underlying mechanisms, adverse outcomes, or the prevalence of low muscle mass in senior horses. One factor proposed to play a role in the development of age-related muscle atrophy in humans is inflamm-aging, a low-grade inflammation that affects elderly people and that has …
Statistics Used In The Nebraska Beef Cattle Report And Their Purpose
Statistics Used In The Nebraska Beef Cattle Report And Their Purpose
Nebraska Beef Cattle Reports
The 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. The 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 …
Dietary Impact On Antibiotic Resistance In Feedlot Manure, Maranatha Zelt, Amy Schmidt, Noelle Mware, Xu Li, Galen E. Erickson
Dietary Impact On Antibiotic Resistance In Feedlot Manure, Maranatha Zelt, Amy Schmidt, Noelle Mware, Xu Li, Galen E. Erickson
Nebraska Beef Cattle Reports
There is a growing public concern regarding antibiotic resistance and the use of antibiotics, including in livestock management. Understanding the ecology of antibiotic resistance among microbes, identifying resistance gene reservoirs, and implementing antibiotic resistance mitigation practices in livestock production are critical to protecting animal and human health while meeting increasing food demands. This research is one of several studies seeking to assess risk for livestock- to- human transfer of antibiotic resistance and to identify mechanisms for reducing that risk where possible. This study evaluated the impact of forage concentration and supplemental essential oil in beef cattle finishing diets on antibiotic …
Pseudomonas Survive Thermal Processing And Grow During Vacuum Packaged Storage In An Emulsified Beef System, Samuel C. Watson, Rebecca A. Furbeck, Byron D. Chaves, Gary A. Sullivan
Pseudomonas Survive Thermal Processing And Grow During Vacuum Packaged Storage In An Emulsified Beef System, Samuel C. Watson, Rebecca A. Furbeck, Byron D. Chaves, Gary A. Sullivan
Nebraska Beef Cattle Reports
New research has suggested the ability of Pseudomonas, a common spoilage microorganism, to grow in cooked beef products stored under vacuum which challenges the traditional understanding of the role of Pseudomonas during cooked beef spoilage. Understanding the mechanisms of survival and growth of Pseudomonas in these products is crucial for improving shelf life. The objective of this experiment was to determine Pseudomonas survival in a thermally processed, emulsified cooked beef model system. After eight weeks of refrigerated storage, Pseudomonas was recovered from cooked emulsified beef, indicating the potential for Pseudomonas to survive thermal processing and cause spoilage in cooked vacuum …
Accelerated Dry Aging Under Anaerobic Conditions, Joseph A. Sonderman, Soon K. Lau, Felipe A. Ribeiro, David M. Velasco, Nicolas A. Bland, Nicolas J. Herrera, Morgan L. Henriott, Jeyamkondan Subbiah, Chris Calkins
Accelerated Dry Aging Under Anaerobic Conditions, Joseph A. Sonderman, Soon K. Lau, Felipe A. Ribeiro, David M. Velasco, Nicolas A. Bland, Nicolas J. Herrera, Morgan L. Henriott, Jeyamkondan Subbiah, Chris Calkins
Nebraska Beef Cattle Reports
The purpose of dry aging is to develop novel favors and other sensory characteristics different from wet aged meat. However, leaving meat exposed to air for an extended period of time can have negative effects on meat quality. As the meat is exposed to oxygen for an extended period of time, lipids are oxidized resulting in compounds that negatively affect favor. In this study, oxygen concentration was regulated along with time, temperature, humidity, and air flow. The purpose of oxygen regulation was to determine the effect of oxidation on the quality, specifically flavor preference, of dry aged meats. Sensory analysis …
Economic Analysis Of Increased Corn Silage Inclusion In Beef Finishing Cattle, Hannah C. Wilson, J. C. Macdonald, Andrea K. Watson, Terry Klopfenstein, Galen E. Erickson
Economic Analysis Of Increased Corn Silage Inclusion In Beef Finishing Cattle, Hannah C. Wilson, J. C. Macdonald, Andrea K. Watson, Terry Klopfenstein, Galen E. Erickson
Nebraska Beef Cattle Reports
An economic analysis was conducted to assess the feasibility of feeding greater inclusions of corn silage in finishing diets. Cattle were fed two inclusions of corn silage (15 and 45% of diet dry matter) with or without tylosin. Cattle fed 15% corn silage with tylosin had the best feed conversion, 15 % corn silage without tylosin was intermediate, and both 45% corn silage with and without tylosin had the poorest feed conversion. Feeding corn silage at greater inclusions decreased ADG but increased final body weight when fed to an equal fatness (28 days longer). However, feeding corn silage at 45% …
Impact Of Days Fed On Holstein Bull And Steer Performance And Cutability Of Cattle Pen- Fed Organic Diets, Elizabeth A. Schumacher, Braden C. Troyer, Bradley M. Boyd, Levi Mcphillips, J. C. Macdonald, Andrea K. Watson, Terry Klopfenstein, Galen E. Erickson
Impact Of Days Fed On Holstein Bull And Steer Performance And Cutability Of Cattle Pen- Fed Organic Diets, Elizabeth A. Schumacher, Braden C. Troyer, Bradley M. Boyd, Levi Mcphillips, J. C. Macdonald, Andrea K. Watson, Terry Klopfenstein, Galen E. Erickson
Nebraska Beef Cattle Reports
Performance, carcass characteristics, and total meat yield of Holstein bulls and steers were compared in a simulated organic production system with the goal of producing ground beef. Holstein bulls (n = 120, initial BW = 487 lb) and steers (n = 120, initial BW = 471 lb) of the same age were blocked by BW and assigned randomly to be harvested at 308, 343, 378, and 413 days on feed. After harvest, all meat o" the carcass was considered trim and was collected and weighed to calculate total trim yield. Bulls gained faster and had greater live body weight, carcass …
Training Improves The Reliability Of Temperament Assessment In Cattle, Jamie T. Parham, Jessica J. Schmidt, Ronald M. Lewis
Training Improves The Reliability Of Temperament Assessment In Cattle, Jamie T. Parham, Jessica J. Schmidt, Ronald M. Lewis
Nebraska Beef Cattle Reports
Accurate and precise measurement of docility in cattle is paramount when including temperament as a criterion for selection. The value of training individuals in assigning a docility score was evaluated by comparing the reliability of individual assessments of temperament in beef cattle before and after various instructional methods. Preceding training, participants’ assessment of cattle behavior, videoed while each heifer was restrained in a chute, was not impacted by age, gender, or pre- existing cattle handling experience. Groups of participants that received additional training were more accurate and precise in evaluating temperament, regardless of training method, compared to those without. No …
Mineral Concentrations Of Forages For Livestock In Nebraska And South Dakota, Rebecca J. Kern, John W. Kern, Hannah M.G. Dorn, Carrie E. Putnam, Janna J. Block, Adele A. Harty, M. E. Drewnoski
Mineral Concentrations Of Forages For Livestock In Nebraska And South Dakota, Rebecca J. Kern, John W. Kern, Hannah M.G. Dorn, Carrie E. Putnam, Janna J. Block, Adele A. Harty, M. E. Drewnoski
Nebraska Beef Cattle Reports
Forage samples from Nebraska and South Dakota submitted to Ward Laboratories, Inc. from 2012– 2019 were analyzed for mineral concentrations. Samples were categorized by forage species, quality based on protein content, and mineral concentration based on requirements for lactating beef cows. ! e data indicate that copper and zinc are frequently deficient across all species and levels of forage quality, emphasizing the need for supplementation. Except for magnesium, macro- mineral deficiencies are less likely to occur when feeding high quality forages in Nebraska and South Dakota. Corn feedstuffs are particularly likely to result in mineral deficiencies if fed without mineral …
Evaluation Of Models Used To Predict Dry Matter Intake In Forage- Based Diets, Aksel Wiseman, Andrea K. Watson, Rick Stock, Terry Klopfenstein
Evaluation Of Models Used To Predict Dry Matter Intake In Forage- Based Diets, Aksel Wiseman, Andrea K. Watson, Rick Stock, Terry Klopfenstein
Nebraska Beef Cattle Reports
Accurately predicting intake is critical to model performance of cattle in order to formulate diets to meet nutritional requirements. Modeling systems must be accurate in order to provide correct information to producers. Multiple studies with growing cattle consuming forage- based diets were summarized. Actual gain and weights of the cattle were used to determine predicted dry matter intake using the Beef Cattle Nutrient Requirements Model (2016). ! e predicted dry matter intakes were compared to observed dry matter intakes to determine accuracy of the prediction model. ! e model over predicted intakes at low TDN and under predicted intakes at …
Winter Growth Rate And Timing Of Marketing On Economics Of Yearling Systems, Michael Merical, M. E. Drewnoski, Jay Parsons
Winter Growth Rate And Timing Of Marketing On Economics Of Yearling Systems, Michael Merical, M. E. Drewnoski, Jay Parsons
Nebraska Beef Cattle Reports
Economic analyses were conducted examining 18 years of Nebraska monthly- average auction data to ! nd the e" ects of certain management decisions on the pro! tability of yearling production systems. A 2×2 experimental design was used to examine four possible scenarios. $ e variables were either fast winter growth (daily gain, 2.0 lb/ day) or slow winter growth (daily gain, 0.8 lb/day), and either a September or a July marketing date. In addition to pro! tability, risk management was also examined in this study. Average pro! tability of all scenarios was good, ranging from $112 to $143 per calf. …
Impact Of Masters Choice Corn Silage On Nutrient Digestion In Growing Cattle, Jiehua Xiong, Mitch M. Norman, Hannah C. Wilson, Caleb Crabtree, Galen E. Erickson
Impact Of Masters Choice Corn Silage On Nutrient Digestion In Growing Cattle, Jiehua Xiong, Mitch M. Norman, Hannah C. Wilson, Caleb Crabtree, Galen E. Erickson
Nebraska Beef Cattle Reports
A digestion study was conducted to evaluate Masters Choice corn silage hybrids on nutrient digestibility in growing beef steers. ! e three hybrids evaluated were a conventional hybrid (CON) commonly grown in Eastern Nebraska which served as the control, Masters Choice hybrid MCT6365 RIB (MC1) that has been selected to improve " ber and starch digestion and Masters Choice hybrid MCT6733 GT3000 (MC2) selected to improve " ber digestion. Treatment diets consisted of 80% of the diet dry matter (DM) of each corn silage hybrid. Steers fed MC1 corn silage had the greatest organic matter (OM), energy digestibility, and digestible …
Immunostimulatory Membrane Proteins Potentiate H. Pylori-Induced Carcinogenesis By Enabling Caga Translocation, Matthew G. Varga, Cecily R. Wood, Julia Butt, Mackenzie E. Ryan, Wei-Cheng You, Kaifeng Pan, Tim Waterboer, Meira Epplein, Carrie L. Shaffer
Immunostimulatory Membrane Proteins Potentiate H. Pylori-Induced Carcinogenesis By Enabling Caga Translocation, Matthew G. Varga, Cecily R. Wood, Julia Butt, Mackenzie E. Ryan, Wei-Cheng You, Kaifeng Pan, Tim Waterboer, Meira Epplein, Carrie L. Shaffer
Veterinary Science Faculty Publications
Infection with Helicobacter pylori is the single greatest risk factor for developing gastric adenocarcinoma. In prospective, population-based studies, seropositivity to the uncharacterized H. pylori proteins Hp0305 and Hp1564 was significantly associated with cancer risk in East Asia. However, the mechanism underlying this observation has not been elucidated. Here, we show that Hp0305 and Hp1564 act in concert with previously ascribed H. pylori virulence mechanisms to orchestrate cellular alterations that promote gastric carcinogenesis. In samples from 546 patients exhibiting premalignant gastric lesions, seropositivity to Hp0305 and Hp1564 was significantly associated with increased gastric atrophy across all stomach conditions. In vitro, …
Dexamethasone Serum Concentrations After Intravenous Administration In Horses During Race Training, S. Mcclure, C. K. Fenger, K. Kersh, Bradley Brown, G. Maylin, W. Duer, L. Dirikolu, K. Brewer, Jacob Machin, Thomas Tobin
Dexamethasone Serum Concentrations After Intravenous Administration In Horses During Race Training, S. Mcclure, C. K. Fenger, K. Kersh, Bradley Brown, G. Maylin, W. Duer, L. Dirikolu, K. Brewer, Jacob Machin, Thomas Tobin
Veterinary Science Faculty Publications
Dexamethasone (DXM) sodium phosphate is a widely used corticosteroid for inflammatory conditions in horses, regulated in racing jurisdictions in the USA by a 0.005 ng/ml serum/plasma threshold. This study seeks to describe serum concentrations of DXM at 48 and 72 h after intravenous administration of 20 mg DXM sodium phosphate over 1 to 5 days, and to identify a possible source of DXM overages. 74 horses (39 Thoroughbreds, 13 Standardbreds, 22 Quarter Horses) in active race training received 20 mg DXM sodium phosphate. Serum was collected before injection, at 48 and 72 h post last injection, and analysed by LC/MS-MS …
Comparison Of Different Extraction Solvents Used In Gc-Ms Analysis For Detectingvolatile Odor Compounds In Heat Cow Sweat, Özgül Ani̇taş, Serap Göncü
Comparison Of Different Extraction Solvents Used In Gc-Ms Analysis For Detectingvolatile Odor Compounds In Heat Cow Sweat, Özgül Ani̇taş, Serap Göncü
Turkish Journal of Veterinary & Animal Sciences
The accurate estrus detection is essential for successful reproduction. Many scientists reported the importance of pheromones for accurate detection of estrus. In addition, the choice of the appropriate device and the appropriate extraction solvent is important for obtaining quickly and more estrus-specific pheromones. In this study, sweat samples were collected in heat cows and volatile organic compounds (VOCs) in the gas chromatography mass spectrometry were evaluated using three different solvents (diethyl ether, dichloromethane, and hexane) for extraction. VOCs with different numbers and different ratios were identified in all three extraction solvents. As the solvent, 9 compounds were detected in diethyl …
Investigation Of The Zinc Accumulation In The Tissue And Performance In Broilers Raisedwith High Levels Of Zinc Sulfate Feed Under Heat Stress, Thawinan Waeothong, Jai Wei Lee, Liang Chou Hsia
Investigation Of The Zinc Accumulation In The Tissue And Performance In Broilers Raisedwith High Levels Of Zinc Sulfate Feed Under Heat Stress, Thawinan Waeothong, Jai Wei Lee, Liang Chou Hsia
Turkish Journal of Veterinary & Animal Sciences
The objectives of this study were to evaluate the effects of feeding zinc sulfate on the growth performance, Zn accumulation in the tissue, and the tibia quality. First day old of 100 chicks were randomly assigned to 10 experimental groups in a 5 (0 mg/kg Zn, 40 mg/kg ZnO, 40 mg/kg ZnSO$_{4}$.H$_{2}$O, 500 mg/kg ZnSO$_{}$, and 1000 mg/kg ZnSO$_{4}$) × 2 (high and low temperature) factorial arrangement under randomized complete block design (RCBD). Each experimental group was replicated with 10 birds. Birds were kept in individual cage until 42 days. The results showed that broilers receiving the zinc sulfate supplementation …
Power Of Body Live Weights In Differentiation Physiological Growth Of Goat Breeds, Raed Alatiyat, Amani Al-Dawood
Power Of Body Live Weights In Differentiation Physiological Growth Of Goat Breeds, Raed Alatiyat, Amani Al-Dawood
Turkish Journal of Veterinary & Animal Sciences
We assumed that live body weight (LBW) would be useful to be utilized as informative categorical variable in differentiation goat performance towards better assignment into breeds. One-day old goat kids of both sexes were separately allocated as 3 breeds: Baladi, crossbreds and Shami. The kid LBW was recorded weekly until the 12th week of age. Weekly LBW showed a significant increase (p < 0.05) for both males and females of the 3 breeds and highly significant (p < 0.0001) between breeds. The high phenotypic correlation between most of the studied measurements encouraged us to investigate their efficiency in breed differentiation at early life age. Results showed that only LBW of the week 1, 2, 5, 9, and 11, and week 1, 2, 3, 11, and 12 were efficient in discriminating male and female kids, respectively. These results were better presented by showing significant genetic distances (p < 0.0001) between the breeds using the Unweighted Pair Group Method with Arithmetic mean (UPGMA) dendrogram. It is inferred that the phylogenetic tree lengths of the three breeds were 29.02 and 222.13 for male and female kids, respectively. Baladi and crossbred kids of both sexes grouped into one cluster closer than Shami kids. The canonical discriminant analysis was proved its successfulness for identifying breed based on LBW measurement.