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Frontiers in Veterinary Science

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https://www.readbyqxmd.com/read/28717639/commentary-complete-cranial-iliac-osteotomy-to-approach-the-lumbosacral-foramen
#1
COMMENT
Francois-Guillaume Saulnier Troff, Luca Motta, Virginie De Busscher
No abstract text is available yet for this article.
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28717638/spatial-patterns-and-impacts-of-environmental-and-climatic-factors-on-canine-sinonasal-aspergillosis-in-northern-california
#2
Monise Magro, Jane Sykes, Polina Vishkautsan, Beatriz Martínez-López
Sinonasal aspergillosis (SNA) causes chronic nasal discharge in dogs and has a worldwide distribution, although most reports of SNA in North America originate from the western USA. SNA is mainly caused by Aspergillus fumigatus, a ubiquitous saprophytic filamentous fungus. Infection is thought to follow inhalation of spores. SNA is a disease of the nasal cavity and/or sinuses with variable degrees of local invasion and destruction. While some host factors appear to predispose to SNA (such as belonging to a dolichocephalic breed), environmental risk factors have been scarcely studied...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28713817/generation-of-monoclonal-antibodies-against-ag85a-antigen-of-mycobacterium-tuberculosis-and-application-in-a-competitive-elisa-for-serodiagnosis-of-bovine-tuberculosis
#3
Zhengzhong Xu, Ting Hu, Aihong Xia, Xin Li, Ze Liu, Jingjing Min, Jingjing He, Chuang Meng, Yuelan Yin, Xiang Chen, Xinan Jiao
The Ag85 complex functions as the main secretory protein of Mycobacterium tuberculosis (M. tuberculosis) and BCG. This complex is composed of the proteins, Ag85A, Ag85B, and Ag85C, with Ag85A thought to play the largest role within the complex. However, the lack of commercially available monoclonal antibodies (mAbs) against Ag85A still hinders the biological and applicative research on this protein. In this study, we developed and identified anti-Ag85A mAbs, and five hybridoma cells were established. Using the indirect immunofluorescence test, we found that two anti-Ag85A mAbs did not cross-react with Ag85B and/or Ag85C...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28713816/effect-of-the-camelid-s-seminal-plasma-ovulation-inducing-factor-%C3%AE-ngf-a-kisspeptin-target-hypothesis
#4
REVIEW
Khalid El Allali, Najlae El Bousmaki, Hassan Ainani, Valérie Simonneaux
Female mammals are classified into spontaneous and induced ovulators based on the mechanism eliciting ovulation. Ovulation in spontaneous species (e.g., human, sheep, cattle, horse, pigs, and most rodents) occurs at regular intervals and depends upon the circulating estradiol. However, in induced ovulators (e.g., rabbits, ferrets, cats, and camelids), ovulation is associated with coitus. In the later, various factors have been proposed to trigger ovulation, including auditory, visual, olfactory, and mechanic stimuli...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28706896/growth-characterization-of-single-and-double-salmonella-methionine-auxotroph-strains-for-potential-vaccine-use-in-poultry
#5
Peter Rubinelli, Sun Ae Kim, Si Hong Park, C Adam Baker, Steven C Ricke
Poultry meat is an important source of zoonotic Salmonella infection. Oral vaccination of chickens with live attenuated Salmonella during grow-out is an attractive approach to control Salmonella colonization in the chicken gastrointestinal tract. In this study, we report the construction of methionine-dependent and growth of Salmonella Typhimurium mutant strains with methionine auxotrophy (ΔmetR and ΔΔmetRmetD) and survival in chicken feed and fecal matrices. The methionine auxotroph mutant ΔΔmetRmetD grew slowly on L-methionine but failed to grow on D-methionine, as expected, and exhibited lower affinity for methionine compared with the isogenic parent strain (ΔmetR single mutant) in whole-cell affinity experiments...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28706895/beyond-one-health-zoological-medicine-in-the-anthropocene
#6
EDITORIAL
Chris Walzer
No abstract text is available yet for this article.
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28702460/seroprevalence-and-distribution-of-contagious-bovine-pleuropneumonia-in-ethiopia-update-and-critical-analysis-of-20-years-1996-2016-reports
#7
REVIEW
Nejash Abdela, Nesradin Yune
Contagious bovine pleuropneumonia (CBPP), infectious and highly contagious diseases of cattle in Africa, is the only bacterial disease in the OIE list A diseases. This severe respiratory disease of cattle is the second most important transboundary animal disease in Africa after rinderpest. CBPP is caused by Mycoplasma mycoides subsp. mycoides SC (small colony bovine biotype) and it is endemic disease in many African countries including Ethiopia. This paper systematically reviews prevalence report at herd and individual animal level for the last 20 years (1996-2016) with main aim of making comprehensive document regarding the seroprevalence and distribution of CBPP in Ethiopia...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28702459/a-review-of-quantitative-tools-used-to-assess-the-epidemiology-of-porcine-reproductive-and-respiratory-syndrome-in-u-s-swine-farms-using-dr-morrison-s-swine-health-monitoring-program-data
#8
REVIEW
Carles Vilalta, Andreia G Arruda, Steven J P Tousignant, Pablo Valdes-Donoso, Petra Muellner, Ulrich Muellner, Moh A Alkhamis, Robert B Morrison, Andres M Perez
Porcine reproductive and respiratory syndrome (PRRS) causes far-reaching financial losses to infected countries and regions, including the U.S. The Dr. Morrison's Swine Health Monitoring Program (MSHMP) is a voluntary initiative in which producers and veterinarians share sow farm PRRS status weekly to contribute to the understanding, in quantitative terms, of PRRS epidemiological dynamics and, ultimately, to support its control in the U.S. Here, we offer a review of a variety of analytic tools that were applied to MSHMP data to assess disease dynamics in quantitative terms to support the decision-making process for veterinarians and producers...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28691012/staphylococcus-aureus-nasal-colonization-differs-among-pig-lineages-and-is-associated-with-the-presence-of-other-staphylococcal-species
#9
Koen M Verstappen, Eveline Willems, Ad C Fluit, Birgitta Duim, Marc Martens, Jaap A Wagenaar
Staphylococcus aureus is a common colonizer in pigs, with methicillin-resistant S. aureus (MRSA) in particular being a potential health risk to humans. To reduce the exposure to humans, the colonization in pigs should be reduced. The aim of this study was to quantitatively compare the susceptibility of pig lineages for S. aureus colonization, and if the absence of S. aureus could be associated with the presence or absence of other staphylococcal species. Nasal samples (n = 129) were obtained from seven different pig lineages in the Netherlands, France, and Germany...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28691011/diversity-of-antimicrobial-resistance-phenotypes-in-salmonella-isolated-from-commercial-poultry-farms
#10
Karen A Liljebjelke, Charles L Hofacre, David G White, Sherry Ayers, Margie D Lee, John J Maurer
Salmonella remains the leading cause of foodborne illness in the United States, and the dissemination of drug-resistant Salmonellae through the food chain has important implications for treatment failure of salmonellosis. We investigated the ecology of Salmonella in integrated broiler production in order to understand the flow of antibiotic susceptible and resistant strains within this system. Data were analyzed from a retrospective study focused on antimicrobial resistant Salmonella recovered from commercial broiler chicken farms conducted during the initial years of the US FDA's foray into retail meat surveillance by the National Antimicrobial Resistance Monitoring System (NARMS)...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28674695/minor-immediate-effects-of-a-dog-on-children-s-reading-performance-and-physiology
#11
Lisa Schretzmayer, Kurt Kotrschal, Andrea Beetz
Literacy is a key factor in occupational success and social integration. However, an increasing number of children lack appropriate reading skills. There is growing evidence that dogs have positive effects on reading performance. We investigated the short-term effects of dogs on reading performance in 36 third-graders and monitored physiological parameters [heart rate (HR), heart rate variability (HRV), and salivary cortisol] as well as behavioral variables. Each child took part in two test sessions at the presence of a tutor, in one of which a dog and its handler were present...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28670580/whole-genome-sequencing-of-a-canadian-bovine-gammaherpesvirus-4-strain-and-the-possible-link-between-the-viral-infection-and-respiratory-and-reproductive-clinical-manifestations-in-dairy-cattle
#12
Carl A Gagnon, Carolina Kist Traesel, Nedzad Music, Jérôme Laroche, Nicolas Tison, Jean-Philippe Auger, Sanela Music, Chantale Provost, Christian Bellehumeur, Levon Abrahamyan, Susy Carman, Luc DesCôteaux, Steve J Charette
Bovine gammaherpesvirus 4 (BoHV-4) is a herpesvirus widespread in cattle populations, and with no clear disease association. Its genome contains a long unique coding region (LUR) flanked by polyrepetitive DNA and 79 open reading frames (ORFs), with unique 17 ORFs, named Bo1 to Bo17. In 2009, a BoHV-4 strain was isolated (FMV09-1180503: BoHV-4-FMV) from cattle with respiratory disease from Quebec, Canada, and its LUR was sequenced. Despite the overall high similarity, BoHV-4-FMV had the most divergent LUR sequence compared to the two known BoHV-4 reference strain genomes; most of the divergences were in the Bo genes and in the repeat regions...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28660201/the-potential-link-between-thermal-resistance-and-virulence-in-salmonella-a-review
#13
REVIEW
Turki M Dawoud, Morgan L Davis, Si Hong Park, Sun Ae Kim, Young Min Kwon, Nathan Jarvis, Corliss A O'Bryan, Zhaohao Shi, Philip G Crandall, Steven C Ricke
In some animals, the typical body temperature can be higher than humans, for example, 42°C in poultry and 40°C in rabbits which can be a potential thermal stress challenge for pathogens. Even in animals with lower body temperatures, when infection occurs, the immune system may increase body temperature to reduce the chance of survival for pathogens. However, some pathogens can still easily overcome higher body temperatures and/or rise in body temperatures through expression of stress response mechanisms. Salmonella is the causative agent of one of the most prevalent foodborne illnesses, salmonellosis, and can readily survive over a wide range of temperatures due to the efficient expression of the heat (thermal) stress response...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28660200/a-fast-and-inexpensive-protocol-for-empirical-verification-of-neutralizing-epitopes-in-microbial-toxins-and-enzymes
#14
Christine N Vuong, Wen-Ko Chou, Vivek A Kuttappan, Billy M Hargis, Lisa R Bielke, Luc R Berghman
In vivo targeting of peptides to antigen-presenting cells by use of agonistic anti-CD40 monoclonal antibodies has been used successfully as an immune response enhancing strategy. When tested in chickens, the antibody-guided platform was capable of inducing specific IgG production within 1 week postimmunization. However, use of this method beyond its initial conception as a vaccine delivery tool has not been fully exploited. In this study, Clostridium perfringens alpha-toxin was used as a model microbial toxin for epitope mapping by using the antibody-guided immunization method to generate a panel of antibodies against specific, regions of the toxin in an attempt to identify crucial determinants on the toxin which, once bound, would hinder downstream toxicity...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28660199/histological-characteristics-fatty-acid-composition-of-lipid-fractions-and-cholesterol-content-of-semimembranosus-and-triceps-brachii-muscles-in-maremmana-and-limousine-bovine-breeds
#15
Andrea Serra, Giuseppe Conte, Elisabetta Giannessi, Laura Casarosa, Carla Lenzi, Alessandro Baglini, Francesca Ciucci, Alice Cappucci, Marcello Mele
This study examined the histological properties of Semimembranosus and Triceps brachii muscle in two different bovine breeds, Maremmana (Ma) (an autochthonous breed from Tuscany, Italy) and Limousine (Lm). The animals were grazed in two adjoining pastures, received the same feed supplementation, and were weighed monthly. The experimental period lasted from weaning (6 months old) to slaughter (19 months old). Muscle samples were collected immediately after slaughter, before carcass cooling. Regarding the histological properties, the number of muscle fibers (TNF), mean sarcolemma perimeter (MSP), cross-sectional area, and total sarcolemma perimeter (TSP) were determined...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28660198/transforming-growth-factor-%C3%AE-2-downregulates-major-histocompatibility-complex-mhc-i-and-mhc-ii-surface-expression-on-equine-bone-marrow-derived-mesenchymal-stem-cells-without-altering-other-phenotypic-cell-surface-markers
#16
Alix K Berglund, Matthew B Fisher, Kristin A Cameron, Emma J Poole, Lauren V Schnabel
Allogeneic mesenchymal stem cells (MSCs) are a promising cell source for treating musculoskeletal injuries in horses. Effective and safe allogeneic therapy may be hindered, however, by recipient immune recognition and rejection of major histocompatibility complex (MHC)-mismatched MSCs. Development of strategies to prevent immune rejection of MHC-mismatched MSCs in vivo is necessary to enhance cell survival and potentially increase the efficacy and safety of allogeneic MSC therapy. The purposes of this study were to evaluate if transforming growth factor-β2 (TGF-β2) downregulated MHC expression on equine MSCs and to determine if TGF-β2 treatment altered the phenotype of MSCs...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28649571/impact-of-built-up-litter-and-commercial-antimicrobials-on-salmonella-and-campylobacter-contamination-of-broiler-carcasses-processed-at-a-pilot-mobile-poultry-processing-unit
#17
KaWang Li, Lacey Lemonakis, Brian Glover, Joseph Moritz, Cangliang Shen
The small-scale mobile poultry-processing unit (MPPU) produced raw poultry products are of particular food safety concern due to exemption of USDA poultry products inspection act. Limited studies reported the microbial quality and safety of MPPU-processed poultry carcasses. This study evaluated the Salmonella and Campylobacter prevalence in broiler ceca and on MPPU-processed carcasses and efficacy of commercial antimicrobials against Campylobacter jejuni on broilers. In study I, straight-run Hubbard × Cobb broilers (147) were reared for 38 days on clean-shavings (CS, 75) or built-up-litter (BUL, 72) and processed at an MPPU...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28649570/evaluating-checklist-use-in-companion-animal-wellness-visits-in-a-veterinary-teaching-hospital-a-preliminary-study
#18
Michael T Nappier, Virginia K Corrigan, Lara E Bartl-Wilson, Mark Freeman, Stephen Werre, Eric Tempel
The number of companion animal wellness visits in private practice has been decreasing, and one important factor cited is the lack of effective communication between veterinarians and pet owners regarding the importance of preventive care. Checklists have been widely used in many fields and are especially useful in areas where a complex task must be completed with multiple small steps, or when cognitive fatigue is evident. The use of checklists in veterinary medical education has not yet been thoroughly evaluated as a potential strategy to improve communication with pet owners regarding preventive care...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28649569/environmental-enrichment-for-broiler-breeders-an-undeveloped-field
#19
REVIEW
Anja B Riber, Ingrid C de Jong, Heleen A van de Weerd, Sanna Steenfeldt
Welfare problems, such as hunger, frustration, aggression, and abnormal sexual behavior, are commonly found in broiler breeder production. To prevent or reduce these welfare problems, it has been suggested to provide stimulating enriched environments. We review the effect of the different types of environmental enrichment for broiler breeders, which have been described in the scientific literature, on behavior and welfare. Environmental enrichment is defined as an improvement of the environment of captive animals, which increases the behavioral opportunities of the animal and leads to improvements in biological function...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28642867/evaluation-of-the-effect-of-a-single-intra-articular-injection-of-allogeneic-neonatal-mesenchymal-stromal-cells-compared-to-oral-non-steroidal-anti-inflammatory-treatment-on-the-postoperative-musculoskeletal-status-and-gait-of-dogs-over-a-6-month-period-after
#20
Mathieu Taroni, Quentin Cabon, Marine Fèbre, Thibaut Cachon, Nathalie Saulnier, Claude Carozzo, Stéphane Maddens, Fabrice Labadie, Clément Robert, Eric Viguier
OBJECTIVE: Compare the clinical and pressure walkway gait evolution of dogs after a tibial plateau leveling osteotomy (TPLO) for a cranial cruciate ligament rupture (CrCLR) and treatment with either a 1-month course of non-steroidal anti-inflammatory drugs (NSAIDs) or a single postoperative intra-articular (IA) injection of allogeneic neonatal mesenchymal stromal cells (MSCs). STUDY DESIGN: Prospective, double-blinded, randomized, controlled, monocentric clinical study...
2017: Frontiers in Veterinary Science
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