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https://www.readbyqxmd.com/read/28346507/olive-oil-bioactives-protect-pigs-against-experimentally-induced-chronic-inflammation-independently-of-alterations-in-gut-microbiota
#1
Martin Liehr, Alessandro Mereu, Jose Javier Pastor, Jose Carlos Quintela, Stefanie Staats, Gerald Rimbach, Ignacio Rodolfo Ipharraguerre
Subclinical chronic inflammation (SCI) is associated with impaired animal growth. Previous work has demonstrated that olive-derived plant bioactives exhibit anti-inflammatory properties that could possibly counteract the growth-depressing effects of SCI. To test this hypothesis and define the underlying mechanism, we conducted a 30-day study in which piglets fed an olive-oil bioactive extract (OBE) and their control counterparts (C+) were injected repeatedly during the last 10 days of the study with increasing doses of Escherichia coli lipopolysaccharides (LPS) to induce SCI...
2017: PloS One
https://www.readbyqxmd.com/read/28345649/proteomic-analysis-indicates-that-mitochondrial-energy-metabolism-in-skeletal-muscle-tissue-is-negatively-correlated-with-feed-efficiency-in-pigs
#2
Liangliang Fu, Yueyuan Xu, Ye Hou, Xiaolong Qi, Lian Zhou, Huiying Liu, Yu Luan, Lu Jing, Yuanxin Miao, Shuhong Zhao, Huazhen Liu, Xinyun Li
Feed efficiency (FE) is a highly important economic trait in pig production. Investigating the molecular mechanisms of FE is essential for trait improvement. In this study, the skeletal muscle proteome of high-FE and low-FE pigs were investigated by the iTRAQ approach. A total of 1780 proteins were identified, among which 124 proteins were differentially expressed between the high- and low-FE pigs, with 74 up-regulated and 50 down-regulated in the high-FE pigs. Ten randomly selected differentially expressed proteins (DEPs) were validated by Western blotting and quantitative PCR (qPCR)...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28342847/na-k-atpase-interaction-with-methylglyoxal-as-reactive-metabolic-side-product
#3
Marika Svrckova, Martina Zatloukalova, Petra Dvorakova, Dominika Coufalova, David Novak, Lenka Hernychova, Jan Vacek
Proteins are subject to oxidative modification and the formation of adducts with a broad spectrum of reactive species via enzymatic and non-enzymatic mechanisms. Here we report that in vitro non-enzymatic methylglyoxal (MGO) binding causes the inhibition and formation of MGO advanced glycation end-products (MAGEs) in Na(+)/K(+)-ATPase (NKA). Concretely, MGO adducts with NKA amino acid residues (mainly Arg) and N(ε)-(carboxymethyl)lysine (CML) formation were found. MGO is not only an inhibitor for solubilized NKA (IC50 = 91±16 μM), but also for reconstituted NKA in the lipid bilayer environment, which was clearly demonstrated using a DPPC/DPPE liposome model in the presence or absence of the NKA-selective inhibitor ouabain...
March 22, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28341332/the-viral-innate-immune-antagonism-and-an-alternative-vaccine-design-for-prrs-virus
#4
REVIEW
Hanzhong Ke, Dongwan Yoo
Porcine reproductive and respiratory syndrome (PRRS) remains one of the most economically significant diseases in the swine industry worldwide. The current vaccines are less satisfactory to confer protections from heterologous infections and long-term persistence, and the need for better vaccines are urgent. The immunological hallmarks in PRRSV-infected pigs include the unusually poor production of type I interferons (IFNs-α/β) and the aberrant and delayed adaptive immune responses, indicating that PRRSV has the ability to suppress both innate and adaptive immune responses in the host...
March 18, 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28337144/generation-and-characterization-of-specific-antibodies-to-the-murine-and-human-ectonucleotidase-ntpdase8
#5
Julie Pelletier, Mabrouka Salem, Joanna Lecka, Michel Fausther, François Bigonnesse, Jean Sévigny
The ectonucleotidase nucleoside triphosphate diphosphohydrolase-8 (NTPDase8) is the last member of the Ecto-NTPDase family to be discovered and characterized. It is a transmembrane protein which regulates the concentration of the agonists of P1 and P2 receptors at the cell surface. The functions of the enzyme are still not known partly due to the lack of specific tools such as antibodies. In this work, guinea pig polyclonal antibodies against mouse NTPDase8 and mouse monoclonal antibodies against human NTPDase8 have been generated and characterized...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28335454/porcine-rotaviruses-epidemiology-immune-responses-and-control-strategies
#6
REVIEW
Anastasia N Vlasova, Joshua O Amimo, Linda J Saif
Rotaviruses (RVs) are a major cause of acute viral gastroenteritis in young animals and children worldwide. Immunocompetent adults of different species become resistant to clinical disease due to post-infection immunity, immune system maturation and gut physiological changes. Of the 9 RV genogroups (A-I), RV A, B, and C (RVA, RVB, and RVC, respectively) are associated with diarrhea in piglets. Although discovered decades ago, porcine genogroup E RVs (RVE) are uncommon and their pathogenesis is not studied well...
March 18, 2017: Viruses
https://www.readbyqxmd.com/read/28332653/review-of-the-foot-and-mouth-disease-situation-in-north-africa-and-the-risk-of-introducing-the-disease-into-europe
#7
R Bouguedour, A Ripani
Foot and mouth disease (FMD) is a highly contagious disease of cloven-hoofed animals, including cattle, pigs, sheep, goats, and certain wildlife species. The disease can cause massive economic losses when introduced into countries that were free from the infection, generating negative effects due to reduced animal productivity and restrictions on international livestock trade. Following 15 years of FMD absence, Tunisia and Algeria experienced an incursion of the disease in 2014. The epidemiological situation and disease control measures in operation for FMD in the North African region are not homogeneous...
December 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28330290/successful-cloning-of-an-adult-breeding-boar-from-the-novel-chinese-guike-no-1-swine-specialized-strain
#8
Jun-Yu Nie, Xiang-Xing Zhu, Bing-Kun Xie, Su-Qun Nong, Qing-Yan Ma, Hui-Yan Xu, Xiao-Gan Yang, Yang-Qing Lu, Ke-Huan Lu, Yu-Ying Liao, Sheng-Sheng Lu
Somatic cloning, also known as somatic cell nuclear transfer (SCNT), is a promising technology which has been expected to rapidly extend the population of elaborately selected breeding boars with superior production performance. Chinese Guike No. 1 pig breed is a novel swine specialized strain incorporated with the pedigree background of Duroc and Chinese Luchuan pig breeds, thus inherits an excellent production performance. The present study was conducted to establish somatic cloning procedures of adult breeding boars from the Chinese Guike No...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28327084/a-transcriptome-multi-tissue-analysis-identifies-biological-pathways-and-genes-associated-with-variations-in-feed-efficiency-of-growing-pigs
#9
Florence Gondret, Annie Vincent, Magalie Houée-Bigot, Anne Siegel, Sandrine Lagarrigue, David Causeur, Hélène Gilbert, Isabelle Louveau
BACKGROUND: Animal's efficiency in converting feed into lean gain is a critical issue for the profitability of meat industries. This study aimed to describe shared and specific molecular responses in different tissues of pigs divergently selected over eight generations for residual feed intake (RFI). RESULTS: Pigs from the low RFI line had an improved gain-to-feed ratio during the test period and displayed higher leanness but similar adiposity when compared with pigs from the high RFI line at 132 days of age...
March 21, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28325625/-serological-detection-of-brucella-suis-influenza-virus-and-aujeszky-s-disease-virus-in-backyard-and-small-swine-holders-in-argentina
#10
Marina Dibarbora, Javier A Cappuccio, María N Aznar, Fernando A Bessone, Hernán Piscitelli, Ariel J Pereda, Daniel R Pérez
Farmers raising less than 100 sows represent more than 99% of swine producers in Argentina, although little is known about their sanitary status and productive characteristics in the country. Sanitary and productive information was obtained. Furthermore, samples for serological studies were taken to detect antibodies against Brucella suis (Bs), Aujeszky's disease virus (AV) and influenza virus (IV) in 68 backyard and small producers with less than 100 sows located in the north, central and south regions of Argentina...
March 18, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28322993/intra-luminal-gene-therapy-in-the-porcine-artery-using-a-recombinant-adeno-associated-virus-9
#11
E S Rezaie, N J Visser, P F Friedrich, A Y Shin, A T Bishop
The ability to improve or restore blood flow and promote healing in ischemic tissue has many potential clinical applications. Augmentation by direct delivery of growth factors may further enhance results, but requires a method for sustained delivery. In this study, we have tested the ability of adeno-associated virus 9 (AAV9) delivered within the lumen of a porcine artery to transfect the vessel and produce a desired product. The marker chosen was green fluorescent protein (GFP) (Ke et al., 2011). In 4 farm pigs the cranial tibial artery was surgically exposed...
March 17, 2017: Gene
https://www.readbyqxmd.com/read/28319770/mechanisms-and-effects-of-arsanilic-acid-on-antibiotic-resistance-genes-and-microbial-communities-during-pig-manure-digestion
#12
Wei Sun, Xun Qian, Jie Gu, Xiao-Juan Wang, Li Zhang, Ai-Yun Guo
High concentrations of residual arsanilic acid occur in pig manure due to its use in feed to promote growth and control diseases. This study compared the effects of arsanilic acid at three concentrations (0, 325, and 650mg/kg dry pig manure) on the abundance of antibiotic resistance genes (ARGs) and the microbial community during anaerobic digestion. Addition of 650mg/kg arsanilic acid enhanced the absolute abundances of tetC, sul2, ermB, and gyrA more than twofold in the digestion product. Redundancy analysis indicated that the change in the microbial community structure was the main driver of variation in the ARGs profile...
March 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28318241/mitigating-greenhouse-gas-and-ammonia-emissions-from-swine-manure-management-a-system-analysis
#13
Yue Wang, Hongmin Dong, Zhiping Zhu, Pierre J Gerber, Hongwei Xin, Pete Smith, Carolyn Opio, Henning Steinfeld, Dave Chadwick
Gaseous emissions from animal manure are considerable contributor to global ammonia (NH3) and agriculture greenhouse gas (GHG) emissions. Given the demand to promote mitigation of GHGs while fostering sustainable development of the Paris Agreement, an improvement of management systems is urgently needed to help mitigate climate change and to improve atmospheric air quality. This study presents a meta-analysis and an integrated assessment of gaseous emissions and mitigation potentials for NH3, methane (CH4) and nitrous oxide (N2O) (direct and indirect) losses from four typical swine manure management systems (MMSs)...
March 20, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28316972/prediction-of-pig-trade-movements-in-different-european-production-systems-using-exponential-random-graph-models
#14
Anne Relun, Vladimir Grosbois, Tsviatko Alexandrov, Jose M Sánchez-Vizcaíno, Agnes Waret-Szkuta, Sophie Molia, Eric Marcel Charles Etter, Beatriz Martínez-López
In most European countries, data regarding movements of live animals are routinely collected and can greatly aid predictive epidemic modeling. However, the use of complete movements' dataset to conduct policy-relevant predictions has been so far limited by the massive amount of data that have to be processed (e.g., in intensive commercial systems) or the restricted availability of timely and updated records on animal movements (e.g., in areas where small-scale or extensive production is predominant). The aim of this study was to use exponential random graph models (ERGMs) to reproduce, understand, and predict pig trade networks in different European production systems...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28315385/a-study-on-the-in-vitro-percutaneous-absorption-of-silver-nanoparticles-in-combination-with-aluminum-chloride-methyl-paraben-or-di-n-butyl-phthalate
#15
Katarzyna Domeradzka-Gajda, Marek Nocuń, Joanna Roszak, Beata Janasik, C Derrick Quarles, Wojciech Wąsowicz, Jarosław Grobelny, Emilia Tomaszewska, Grzegorz Celichowski, Katarzyna Ranoszek-Soliwoda, Małgorzata Cieślak, Dorota Puchowicz, Jhanis J Gonzalez, Richard E Russo, Maciej Stępnik
Some reports indicate that the silver released from dermally applied products containing silver nanoparticles (AgNP) (e.g. wound dressings or cosmetics) can penetrate the skin, particularly if damaged. AgNP were also shown to have cytotoxic and genotoxic activity. In the present study percutaneous absorption of AgNP of two different nominal sizes (Ag15nm or Ag45nm by STEM) and surface modification, i.e. citrate or PEG stabilized nanoparticles, in combination with cosmetic ingredients, i.e. aluminum chloride (AlCl3), methyl paraben (MPB), or di-n-butyl phthalate (DBPH) was assessed using in vitro model based on dermatomed pig skin...
March 14, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28314607/mutagenic-activities-of-biochars-from-pyrolysis
#16
Anna V Piterina, J Kevin Chipman, J Tony Pembroke, Michael H B Hayes
Biochar production, from pyrolysis of lignocellulosic feedstocks, agricultural residues, and animal and poultry manures are emerging globally as novel industrial and commercial products. It is important to develop and to validate a series of suitable protocols for the ecological monitoring of the qualities and properties of biochars. The highly sensitive Salmonella mutagenicity assays (the Ames test) are used widely by the toxicology community and, via the rat liver extract (S9), can reflect the potential for mammalian metabolic activation...
March 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28304107/the-percutaneous-toxicokinetics-of-sulphur-mustard-in-a-damaged-skin-porcine-model-and-the-evaluation-of-woundstat%C3%A2-as-a-topical-decontaminant
#17
Charlotte A Hall, Helen L Lydon, Christopher H Dalton, J Kevin Chipman, John S Graham, Robert P Chilcott
This study used a damaged skin, porcine model to evaluate the in vivo efficacy of WoundStat™ for decontamination of superficial (non-haemorrhaging), sulphur mustard-contaminated wounds. The dorsal skin of 12 female pigs was subjected to controlled physical damage and exposed to 10 μL (14) C-radiolabelled sulphur mustard ((14) C-SM). Animals were randomly assigned to either a control or a treatment group. In the latter, WoundStat™ was applied 30 s post exposure and left in situ for 1 h. Skin lesion progression and decontaminant efficacy were quantified over 6 h using a range of biophysical measurements...
March 17, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28304094/effects-of-blood-plasma-proteins-addition-on-physico-chemical-properties-of-emulsion-type-pork-sausage-during-cold-storage
#18
Sung Ho Kim, Sang Keun Jin, Jung Seok Choi
BACKGROUND: Most of the slaughter blood is discarded, resulting in problems related to costs for wastewater disposal and environmental pollution. However, animal blood contains various proteins such as albumin, globulin and globin and can be used as a natural emulsifier, stabilizer and color additives. Thus, this study was carried out to investigate the effect of blood plasma proteins on the physico-chemical properties of emulsion-type pork sausages stored at 4 °C over 5 weeks. RESULTS: The emulsion-type pork sausages with plasma powders had higher pH than the other treatments during weeks 5, and higher shear force than the control (p < 0...
March 17, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28303244/comparison-of-antimicrobial-consumption-patterns-in-the-swiss-and-danish-cattle-and-swine-production-2007-2013
#19
Luís P Carmo, Liza R Nielsen, Lis Alban, Cedric R Müntener, Gertraud Schüpbach-Regula, Ioannis Magouras
Veterinary antimicrobial consumption patterns vary considerably across Europe. These differences are not only limited to the total amount consumed but are also observed with regards to the relative proportion of the various antimicrobial classes used. Currently, most of the data on veterinary antimicrobials are reported at sales level without any information on the consumption by different animal species. This hinders a proper comparison of antimicrobial consumption at the species level between countries. However, it is imperative to improve our understanding on antimicrobial usage patterns at the species level, as well as on the drivers contributing to those differences...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28302186/heritability-of-the-backtest-response-in-piglets-and-its-genetic-correlations-with-production-traits
#20
M W Iversen, J E Bolhuis, I Camerlink, W W Ursinus, I Reimert, N Duijvesteijn
The backtest response of a pig gives an indication of its coping style, that is, its preferred strategy to cope with stressful situations, which may in turn be related to production traits. The objective of this study was therefore to estimate the heritability of the backtest response and estimate genetic correlations with production traits (birth weight, growth, fat depth and loin depth). The backtest was performed by placing the piglet on its back for 60 s and the number of struggles (NrS) and vocalizations (NrV), and the latency to struggle and vocalize (LV) was recorded...
April 2017: Animal: An International Journal of Animal Bioscience
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