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Research in Veterinary Science

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https://www.readbyqxmd.com/read/28340428/vaccination-as-a-control-strategy-against-salmonella-infection-in-pigs-a-systematic-review-and-meta-analysis-of-the-literature
#1
REVIEW
M L de la Cruz, I Conrado, A Nault, A Perez, L Dominguez, J Alvarez
Consumption or handling of improperly processed or cooked pork is considered one of the top sources for foodborne salmonellosis, a common cause of intestinal disease worldwide. Asymptomatic carrier pigs may contaminate pork at slaughtering; therefore, pre-harvest reduction of Salmonella load can contribute to reduce public health risk. Multiple studies have evaluated the impact of vaccination on controlling Salmonella in swine farms, but results are highly variable due to the heterogeneity in vaccines and vaccination protocols...
March 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28324812/the-effects-of-ovarian-biopsy-and-blood-sampling-methods-on-salivary-cortisol-and-behaviour-in-sows
#2
Jinhyeon Yun, Stefan Björkman, Merja Pöytäkangas, Olli Peltoniemi
In reproductive physiology research, experimental animals are often subjected to stressful procedures, including blood sampling and biopsy. In this present study, presence of pain or distress induced by four different procedures was examined using a measurement of salivary cortisol levels and activity observations in sows. The treatments were: 1) PAL: The ovary was palpated through the rectum without snaring, 2) TUB: transvaginal ultrasound-guided biopsy of the ovary was conducted without snaring, 3) SNA: a soft rope snare was placed around the maxilla, 4) CAT: A soft rope snare was placed around the maxilla, and an intravenous catheter was inserted through the ear vein of the sows...
March 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28324811/serum-acute-phase-response-induced-by-different-vaccination-protocols-against-circovirus-type-2-and-mycoplasma-hyopneumoniae-in-piglets
#3
Iván Hernández-Caravaca, Sebastian Figueras Gourgues, Víctor Rodríguez, Edgar Díaz Estrada, José J Cerón, Damián Escribano
The purpose of this study was to compare the acute phase reaction (APR) induced by different vaccination protocols used against Porcine Circovirus (PCV) type-2 and Mycoplasma hyopneumoniae (M.hyo), studying two acute phase proteins (APPs) and changes in rectal temperature (RT). In addition, the possible influence of the time of vaccination and breed were analysed. In the first experiment, 40 commercial crossbred piglets were vaccinated, on the day of weaning, with FLEXcombo® (group A, n=20) or Porcilis PCV® and Stellamune® One (group B, n=20)...
March 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28319826/oil-based-adjuvants-delivered-intradermally-induce-high-primary-igg2-immune-response-in-swine
#4
Zrinka Oreskovic, Hana Kudlackova, Josef Krejci, Katerina Nechvatalova, Martin Faldyna
The effects of intradermal application of antigen with or without different adjuvants and activation of immune response are presented in this study. Six groups of six piglets each were immunized with keyhole limpet haemocyanin (KLH) antigen in combination with aluminium hydroxide or oil-based adjuvants (complete and incomplete Freund's adjuvants, Montanide ISA 206 and Emulsigen). IgG1 and IgG2 levels in sera were measured by KLH-specific ELISA. Interestingly, oil-based adjuvants induced high primary IgG2 response, suggesting the Th1 lymphocyte polarization...
March 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28319828/genistein-affects-proliferation-and-migration-of-bovine-oviductal-epithelial-cells
#5
Daniela C García, Pablo A Valdecantos, Dora C Miceli, Mariela Roldán-Olarte
Genistein is one of the most abundant isoflavones in soybean. This molecule induces cell cycle arrest and apoptosis in different normal and cancer cells. Genistein has been of considerable interest due to its adverse effects on bovine reproduction, altering estrous cycle, implantation and fetal development and producing subfertility or infertility. The objective of this work was to study the effects of genistein on the expression of selected genes involved in the regulation of cell cycle and apoptosis. Primary cultures of bovine oviductal epithelial cells (BOEC) were treated with different genistein concentrations (0...
March 8, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28319830/anti-proliferative-effect-of-metformin-on-a-feline-injection-site-sarcoma-cell-line-independent-of-mtor-inhibition
#6
J Pierro, C Saba, K McLean, R Williams, E Karpuzoglu, R Prater, K Hoover, R Gogal
Metformin is an oral hypoglycemic drug that has been shown to inhibit cancer cell proliferation via up-regulation of AMPK (AMP-activated protein kinase), and possibly inhibition of mTOR (mammalian target of rapamycin). The purpose of this study was to evaluate the effects of metformin on a feline injection site sarcoma cell line. Cells from a feline injection site sarcoma cell line were treated with metformin at varied concentrations. A dose-dependent decrease in cell viability following metformin treatment was observed, with an IC50 of 8...
March 6, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28314156/an-explant-of-heifer-mammary-gland-to-study-the-immune-response-of-the-organ
#7
Giada Magro, Tiziana A L Brevini, Marcella De Maglie, Giulietta Minozzi, Eugenio Scanziani, Renata Piccinini
Continuous or primary epithelial cell lines have been extensively used to study the mammary gland immune response, but they are constituted by a single cell population. Our aim was to test whether an explant of heifer gland, where the tissue structure is maintained, might be a valid model to investigate the innate immune response to infection. The study was carried out on 2mm(3)-sections of heifer udders, in 2 consecutive trials, using LPS or LTA in the first trial and two different concentrations of Staphylococcus aureus (Staph...
March 6, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28297637/toxicity-of-%C3%AE-citronellol-geraniol-and-linalool-from-pelargonium-roseum-essential-oil-against-the-west-nile-and-filariasis-vector-culex-pipiens-diptera-culicidae
#8
Mohaddeseh Abouhosseini Tabari, Mohammad Reza Youssefi, Aryan Esfandiari, Giovanni Benelli
Insect vectors are responsible for spreading devastating parasites and pathogens. A large number of botanicals have been suggested for eco-friendly control programs against mosquito vectors, and some of them are aromatic plants. Pelargonium roseum, a species belonging to the Geraniaceae family, due to its pleasant rose-like odor may represent a suitable candidate as mosquito repellent and/or larvicide. In this research, we evaluated the toxicity of the essential oil from P. roseum and its major constituents against the West Nile and filariasis vector Culex pipiens...
March 6, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28285125/gene-expression-values-of-pattern-recognition-receptors-in-porcine-leukocytes-and-their-response-to-salmonella-enterica-serovar-typhimurium-infection
#9
Alena Osvaldova, Hana Stepanova, Martin Faldyna, Jan Matiasovic
Pattern-recognition receptors (PRRs) recognize pathogen-associated molecular patterns and play an important role in triggering innate immune responses. PRRs distribution and function is well documented in mice and humans, but studies in pigs are scarce. Salmonella enterica serovar Typhimurium is common pathogen found in pigs and was used as a model for interaction with PRRs. This study investigated expression of PRRs in porcine leukocyte subpopulations at the mRNA level. Eight subpopulations of leukocytes comprising NK cells, Th, Tc, double positive T cells and γδ T cells, B cells, monocytes and neutrophils were sorted, and the expression of 12 PRRs was measured, including selected Toll-like receptors and their co-receptors, NOD-like receptor NOD2, RP-105, CD14, and dectin...
March 1, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28279899/the-connection-between-animal-abuse-and-interpersonal-violence-a-review-from-the-veterinary-perspective
#10
REVIEW
Stefany Monsalve, Fernando Ferreira, Rita Garcia
Several studies have reported a connection between animal abuse and interpersonal violence. The importance of veterinarians in recognizing and intervening in the cycle of violence has been debated in different articles. This review outlines the findings about this connection around the world and describes the role veterinarians play in this field. We looked up electronic databases and analyzed articles published between 1960 and 2016. Publications were classified into three categories: area of publication, topic of the study and continent where the study had been conducted...
March 1, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28267619/protection-of-human-influenza-vaccines-against-a-reassortant-swine-influenza-virus-of-pandemic-h1n1-origin-using-a-pig-model
#11
Jirapat Arunorat, Nataya Charoenvisal, Yonlayong Woonwong, Roongtham Kedkovid, Supattra Jittimanee, Panchan Sitthicharoenchai, Sawang Kesdangsakonwut, Pariwat Poolperm, Roongroje Thanawongnuwech
Since the pandemic H1N1 emergence in 2009 (pdmH1N1), many reassortant pdmH1N1 viruses emerged and found circulating in the pig population worldwide. Currently, commercial human subunit vaccines are used commonly to prevent the influenza symptom based on the WHO recommendation. In case of current reassortant swine influenza viruses transmitting from pigs to humans, the efficacy of current human influenza vaccines is of interest. In this study, influenza A negative pigs were vaccinated with selected commercial human subunit vaccines and challenged with rH3N2...
February 28, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28319827/immunophenotypical-characterization-of-canine-mesenchymal-stem-cells-from-perivisceral-and-subcutaneous-adipose-tissue-by-a-species-specific-panel-of-antibodies
#12
Ana Ivanovska, Stefano Grolli, Paolo Borghetti, Francesca Ravanetti, Virna Conti, Elena De Angelis, Francesca Macchi, Roberto Ramoni, Paolo Martelli, Ferdinando Gazza, Antonio Cacchioli
Immunophenotypical characterization of mesenchymal stem cells is fundamental for the design and execution of sound experimental and clinical studies. The scarce availability of species-specific antibodies for canine antigens has hampered the immunophenotypical characterization of canine mesenchymal stem cells (MSC). The aim of this study was to select a panel of species-specific direct antibodies readily useful for canine mesenchymal stem cells characterization. They were isolated from perivisceral and subcutaneous adipose tissue samples collected during regular surgeries from 8 dogs...
February 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28284048/short-communication-salivary-haptoglobin-and-chromogranin-a-as-non-invasive-markers-during-restraint-stress-in-pigs
#13
Yanping Huang, Zhiqing Liu, Weifeng Liu, Chao Yin, Le Ci, Ruqian Zhao, Xiaojing Yang
The objective of present study was to investigate changes in salivary components during restraint to identify potential markers of stress. Pigs were subjected to a nasal snare stress (Experiment 1) or an immobilization stress (Experiment 2) by being enclosed in a steel cage. Saliva was collected before, during and after the stress, respectively. Salivary cortisol, serum amyloid A (SAA), haptoglobin (HP), chromogranin A (CgA), amylase, K(+), Ca(2+) and lactoferrin content were detected. The results showed that in Experiment 1, HP and CgA content increased significantly at 10min during the restraint (P<0...
February 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28319829/evaluation-of-the-pharmacokinetics-of-imipenem-following-regional-limb-perfusion-using-the-saphenous-and-the-cephalic-veins-in-standing-horses
#14
G Kelmer, A J Tatz, E Kdoshim, M Britzi, G Segev
This prospective experimental study goal was to determine the pharmacokinetics of imipenem after intravenous regional limb perfusion (IV-RLP) in standing horses. Nine horses participated in the study; that was approved by the University Animal Care and Use Committee. One thoracic limb or one pelvic limb of each horse was randomly selected. After the veins were catheterized, an Esmarch bandage tourniquet was applied and the catheter was injected with a solution containing 500mg of imipenem. Synovial fluid samples were collected from the fetlock joint and blood samples were collected from the jugular vein...
February 24, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28273558/mutations-and-polymorphism-in-bottlenose-dolphin-tursiops-truncatus-montagu-1821-albumin-gene-first-identification-of-mutations-responsible-for-inherited-bisalbuminemia
#15
Claudia Gili, Federico Bonsembiante, Giorgia Beffagna, Sandro Mazzariol, Maria Elena Gelain
Hereditary bisalbuminemia is an asymptomatic and heterozygous condition in a range of species characterized by the presence of two serum albumin fractions with different electrophoretic mobility resulting in a bicuspid pattern on serum electrophoresis. Bisalbuminemia has been diagnosed by electrophoresis in two bottlenose dolphin (Tursiops truncatus) families, but causative mutations and the inheritance pattern have not been identified. The aims of this work are: to investigate polymorphisms of the bottlenose dolphin albumin gene and to identify mutations causative of bisalbuminemia; to identify the inheritance pattern in two bottlenose dolphin families...
February 24, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28257939/cold-exposure-induces-the-acquisition-of-brown-adipocyte-gene-expression-profiles-in-cattle-inguinal-fat-normalized-with-a-new-set-of-reference-genes-for-qrt-pcr
#16
K X Cao, D Hao, J Wang, W W Peng, Y J Yan, H X Cao, F Sun, H Chen
The last few years have seen great advances in our understanding of browning in white adipose tissue (WAT) where white adipocytes take on characteristics of brown adipocytes. At present, the economic significance of browning for animal husbandry is beginning to be realized with the emerging evidence that browning affects body weight not only in human and rodent but in farm animals. Quantitative RT-PCR provides a quick and sensitive way to preliminary determine browning of WAT. However, there have been no established condition specific reference genes for browning of cattle WAT...
February 24, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28249176/identification-of-potential-serum-biomarkers-in-pigs-at-early-stage-after-lipopolysaccharide-injection
#17
Chao Yin, Weifeng Liu, Zhiqing Liu, Yanping Huang, Le Ci, Ruqian Zhao, Xiaojing Yang
The identification of useful biological indicators to monitor the body response before the presentation of clinical diseases has practical value in livestock production. To identify potential biomarkers in pigs at the early stage during inflammation, 12 pigs were intramuscularly injected with 2mL of Lipopolysaccharide (LPS, 15μg/kg BW) or saline. Serum protein expression profiles were detected with two-dimensional electrophoresis (2-DE) and matrix-assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF-MS) techniques...
February 17, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28242576/public-health-significance-of-major-genotypes-of-salmonella-enterica-serovar-enteritidis-present-in-both-human-and-chicken-isolates-in-korea
#18
Min-Su Kang, Jae-Young Oh, Yong-Kuk Kwon, Deog-Yong Lee, Ok-Mi Jeong, Byung-Kook Choi, So-Youn Youn, Byung-Woo Jeon, Hye-Jin Lee, Hee-Soo Lee
Salmonella enterica serovar Enteritidis is one of the most common serotypes implicated in Salmonella infections in both humans and poultry worldwide. It has been reported that human salmonellosis is mainly associated with the consumption of poultry products contaminated with serovar Enteritidis. The present study was to extensively analyze the public health risk of serovar Enteritidis isolates from chickens in Korea. A total of 127 chicken isolates were collected from clinical cases, on-farm feces, and chicken meat between 1998 and 2012 and 20 human clinical isolates were obtained from patients with diarrhea between 2000 and 2006 in Korea...
February 17, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28249175/an-update-of-brachyspira-hyodysenteriae-serotyping
#19
Werner Herbst, Simone Schneider, Georg Baljer, Stefanie A Barth
Brachyspira (B.) hyodysenteriae the causative agent of swine dysentery (SD) has been divided into 9 serotypes on basis of its lipooligosaccharide (LOS). Knowledge on circulating serotypes in Europe, however, is rare. Regarding that immunity to SD is serotype specific an update of B. hyodysenteriae serotyping was undertaken. A LOS band of 10 to 25kDa was identified being appropriate for this purpose. Isolates from Germany, Spain, Denmark, USA and Japan were characterized in the immunoblot by sera raised to serotypes 1 through 7, serogroups H and I (reference strains) and to eight German strains...
February 16, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28249174/reduced-severity-of-histopathological-lesions-in-mink-selected-for-tolerance-to-aleutian-mink-disease-virus-infection
#20
A Hossain Farid, Linda E Ferns
The objective of this study was to measure the effect of selection for tolerance on the severity of the Aleutian disease (AD) lesions in mink. Sensitivity and specificity of antibody detection in the blood by counter-immunoelectrophoresis (CIEP) relative to the presence of Aleutian mink disease virus (AMDV) in the spleen by PCR in naturally infected farmed mink were also estimated. Carcasses of 680 sero-positive (CIEP-P) black mink from 28 farms in Nova Scotia, Canada, and from 132 sero-negative (CIEP-N) mink from 14 of these farms were collected at pelting time...
February 16, 2017: Research in Veterinary Science
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