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Covadonga Alonso, Manuel Borca, Linda Dixon, Yolanda Revilla, Fernando Rodriguez, Jose M Escribano, Ictv Report Consortium
The family Asfarviridae includes the single species African swine fever virus, isolates of which have linear dsDNA genomes of 170-194 kbp. Virions have an internal core, an internal lipid membrane, an icosahedral capsid and an outer lipid envelope. Infection of domestic pigs and wild boar results in an acute haemorrhagic fever with transmission by contact or ingestion, or by ticks of the genus Ornithodoros. Indigenous pigs act as reservoirs in Africa, where infection is endemic, and from where introductions occur periodically to Europe...
March 22, 2018: Journal of General Virology
Viktória Varga, János Németh, Orsolya Oláh, Valéria Tóth-Szűki, Viktória Kovács, Gábor Remzső, Ferenc Domoki
Cyclooxygenase-2 (COX-2) has an established role in the pathogenesis of hypoxic-ischemic encephalopathy (HIE). In this study we sought to determine whether COX-2 was induced by asphyxia in newborn pigs, and whether neuronal COX-2 levels were affected by H2 treatment. Piglets were subjected to either 8 min of asphyxia or a more severe 20 min of asphyxia followed by H2 treatment (inhaling room air containing 2.1% H2 for 4 h). COX-2 immunohistochemistry was performed on brain samples from surviving piglets 24 h after asphyxia...
March 22, 2018: Acta Pharmacologica Sinica
Xingyu Ye, Mikael Berg, Caroline Fossum, Per Wallgren, Anne-Lie Blomström
Porcine circovirus 3 (PCV3) is a newly detected circovirus belonging to the family Circoviridae with a circular ssDNA genome of 2000 bp that encodes two proteins-the replicase protein and the capsid protein. PCV3 was discovered for the first time in the US in 2016. After this initial discovery, PCV3 was detected in other parts of the world such as in China, South Korea, Italy and Poland. In this study, 49 tissue samples from Swedish pig herds were screened for PCV3 using PCR and 10 samples were positive and one was uncertain...
March 21, 2018: Virus Genes
Dino Miraglia, David Ranucci, Massimo Trabalza-Marinucci, Gabriele Acuti, Claudio Forte, Michela Codini, Rossana Roila, Raffaella Branciari
This study aimed at evaluating the effect of Oregano vulgaris extract supplementation of heavy pig diet on the microbiological, chemical-physical and sensory characteristics of Fabriano salami. Fabriano salamis were produced processing meat derived from pigs belonging to two dietary groups of 16 pigs each: CTRL group fed a commercial pelleted feed, and OR group fed the CTRL diet integrated with 0.2% of oregano extract. Ten salamis per group were collected at 0, 7, 20 and 45 days of ripening and analysed for total viable count, enumeration of Enterobacteriaceae , Enterococcus spp, coagulase negative and positive staphylococci, Lactobacillus spp...
October 20, 2017: Italian Journal of Food Safety
Mareike Töpperwien, Regine Gradl, Daniel Keppeler, Malte Vassholz, Alexander Meyer, Roland Hessler, Klaus Achterhold, Bernhard Gleich, Martin Dierolf, Franz Pfeiffer, Tobias Moser, Tim Salditt
We demonstrate that phase retrieval and tomographic imaging at the organ level of small animals can be advantageously carried out using the monochromatic radiation emitted by a compact x-ray light source, without further optical elements apart from source and detector. This approach allows to carry out microtomography experiments which - due to the large performance gap with respect to conventional laboratory instruments - so far were usually limited to synchrotron sources. We demonstrate the potential by mapping the functional soft tissue within the guinea pig and marmoset cochlea, including in the latter case an electrical cochlear implant...
March 21, 2018: Scientific Reports
Mengjing Li, Hongsheng Ouyang, Hongming Yuan, Jianing Li, Zicong Xie, Kankan Wang, Tingting Yu, Minghao Liu, Xue Chen, Xiaochun Tang, Huping Jiao, Daxin Pang
The fat-1 gene from Caenorhabditis elegans encodes a fatty acid desaturase which was widely studied due to its beneficial function of converting n-6 polyunsaturated fatty acids (n-6PUFAs) to n-3 polyunsaturated fatty acids (n-3PUFAs). To date, many fat-1 transgenic animals have been generated to study disease pathogenesis or improve meat quality. However, all of them were generated using a random integration method with variable transgene expression levels and the introduction of selectable marker genes often raise biosafety concern...
March 21, 2018: G3: Genes—Genomes—Genetics
Terdsak Yano, Somphorn Phornwisetsirikun, Patipat Susumpow, Surasing Visrutaratna, Karoon Chanachai, Polawat Phetra, Warangkhana Chaisowwong, Pairat Trakarnsirinont, Phonpat Hemwan, Boontuan Kaewpinta, Charuk Singhapreecha, Khwanchai Kreausukon, Arisara Charoenpanyanet, Chongchit Sripun Robert, Lamar Robert, Pranee Rodtian, Suteerat Mahasing, Ekkachai Laiya, Sakulrat Pattamakaew, Taweesart Tankitiyanon, Chalutwan Sansamur, Lertrak Srikitjakarn
BACKGROUND: Aiming for early disease detection and prompt outbreak control, digital technology with a participatory One Health approach was used to create a novel disease surveillance system called Participatory One Health Disease Detection (PODD). PODD is a community-owned surveillance system that collects data from volunteer reporters; identifies disease outbreak automatically; and notifies the local governments (LGs), surrounding villages, and relevant authorities. This system provides a direct and immediate benefit to the communities by empowering them to protect themselves...
March 21, 2018: JMIR Public Health and Surveillance
Adrienn Csiszkó, Klaudia Balog, Zoltán Attila Godó, Gyula Juhász, Katalin Pető, Ádám Deák, Mariann Berhés, Norbert Németh, Zsolt Bodnár, Zsolt Szentkereszty
(1) Introduction: Negative pressure wound therapy (NPWT) is a frequently applied open abdomen (OA) treatment. There are only a few experimental data supporting this method and describing the optimal settings and pressure distribution in the abdominal cavity during this procedure. The aim of our study was to evaluate pressure values at different points in the abdominal cavity during NPWT in experimental abdominal compartment syndrome (ACS) animal model; (2) Methods: In this study (permission Nr. 13/2014/UDCAW), 27 Hungahib pigs (15...
March 17, 2018: Sensors
Shuting Cao, Huan Wu, ChunChun Wang, Qianhui Zhang, Lefei Jiao, Fanghui Lin, Caihong Hu
In the present study, we investigated the influence of diquat-induced oxidative stress on intestinal barrier, mitochondrial function and the level of mitophagy in piglets. Twelve male Duroc×Landrace×Yorkshire 35-d-old pigs (weaned at 21d of age), with an average body of 9.6 kg, were allotted to two treatments of six piglets each including the challenged group and the control group. The challenged pigs were injected with 100 mg/kg bodyweight diquat and control pigs injected with 0.9% (w/v) NaCl solution. The results showed that diquat injection decreased average daily feed intake and average daily gain...
March 17, 2018: Journal of Animal Science
Jiali Chen, Yan Li, Bing Yu, Daiwen Chen, Xiangbing Mao, Ping Zheng, Junqiu Luo, Jun He
Chlorogenic acid (CGA) is a natural phenolic acid, which is an important component of biologically active dietary phenols isolated from various species. Two experiments were conducted to investigate the effects of CGA on growth performance, antioxidant capacity, nutrient digestibility, diarrhea incidence, intestinal digestion and absorption function, and the expression levels of intestinal digestion and absorption-related genes in weaned pigs. In Exp. 1, 200 weaned pigs were randomly allotted to four dietary treatments and fed with a basal diet or a basal diet supplemented with 250, 500, or 1,000 mg/kg CGA, respectively, in a 14-d trial...
March 16, 2018: Journal of Animal Science
K M Gourley, J C Woodworth, J M DeRouchey, S S Dritz, M D Tokach, R D Goodband
A total of 288 pigs (PIC 327 × 1050; initially 11.1 ± 0.1 kg, and day 40 of age) were used in a 21-d growth trial to determine the available P (aP) release curve for a novel source of 6-phytase (Natuphos E 5,000 G; BASF Corporation, Florham Park, NJ). Natuphos E is a bacterial derived 6-phytase of which the phytase gene is assembled from a hybrid of phytase-producing bacteria and produced through the fermentation of Aspergillus niger. Pigs were randomly allotted to pens at weaning. From day 15 to 18 postweaning, a common corn-soybean meal diet containing 0...
March 17, 2018: Journal of Animal Science
Seul-Gee Lee, Jaewon Oh, Sung-Kyung Bong, Jung-Sun Kim, Seil Park, Sehoon Kim, Sungha Park, Sang-Hak Lee, Yangsoo Jang
AIMS: Atherosclerosis is a well-known cause of cardiovascular disease and is associated with a variety of inflammatory reactions. However, an adequate large-animal model of advanced plaques to investigate the pathophysiology of atherosclerosis is lacking. Therefore, we developed and assessed a swine model of advanced atherosclerotic plaques with macrophage polarization. METHODS: Mini-pigs were fed a 2% high-cholesterol diet for 7 weeks followed by withdrawal periods of 4 weeks...
2018: PloS One
Hong Dong, Lei Zhou, Xinna Ge, Xin Guo, Jun Han, Hanchun Yang
BACKGROUND: Porcine reproductive and respiratory syndrome virus (PRRSV) is an important pathogen that causes economically huge losses to the pig industry worldwide. Current control of PRRSV infection remains inadequate although various means have been implemented. Thus, novel antiviral therapeutics combating PRRSV infection is essential to be considered. In the present study, the antiviral effect in vitro of 25-hydroxycholesterol (25HC) against PRRSV was investigated. METHODS: Cell viability assay was performed to examine the impact of 25HC on the cell viability...
March 21, 2018: Antiviral Therapy
Kimberley Jae Botting, Xin Yee Loke, Song Zhang, Johnnie B Andersen, Jens Randel Nyengaard, Janna L Morrison
Intrauterine growth restriction (IUGR) increases the risk of ischaemic heart disease in adulthood. Studies in rats suggest cardiac vulnerability is more pronounced in males and in offspring that were exposed to hypoxia in utero. Therefore, we aimed to test the hypotheses that 1) IUGR adolescent males, but not females, have fewer cardiomyocytes and altered expression of cardiometabolic genes compared to Controls and 2) IUGR due to hypoxia has a greater effect on these parameters compared to IUGR due to nutrient restriction...
March 21, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
Saghar Safamanesh, Amir Azimian, Abdolreza Shakeri, Kiarash Ghazvini, Saeid Amel Jamehdar, Mahsa Khosrojerdi, Masoud Youssefi
Porcine bocavirus (PBoV) is a recently discovered virus classified within the Bocavirus genus. We present a case of upper respiratory tract infection associated with PBoV in a three-year-old child who was in close contact with hogs in northeastern Iran. To the best of our knowledge, this is the first report on the human PBoV infection. Upcoming reports from different regions of the world could provide a generalized view of the spread of pig-to-human transmission of the virus.
March 15, 2018: Pediatric Infectious Disease Journal
Paul Slezak, Philipp Heher, Xavier Monforte, Claudia Keibl, Heinz Redl, Daniel Spazierer, Heinz Gulle
PURPOSE: Topical hemostatic agents are an important means of controlling or preventing bleeding. This study was performed to compare gelatin-thrombin matrix with smooth particles (SmGM) versus gelatin-thrombin matrix with stellate particles (StGM) in a porcine kidney bleeding model. MATERIALS AND METHODS: In male pigs, reproducible lesions (diameter and depth ∼10 mm) were created in the renal cortex. Each lesion was treated topically using either SmGM or StGM...
March 21, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
Yu S Vinnik, R A Pakhomova, L V Kochetova, E A Voronova, V V Kozlov, A K Kirichenko
AIM: To develop predictive model for hepatic insufficiency in obstructive jaundice. MATERIAL AND METHODS: Obstructive jaundice was modeled by the author's method on 48 mini pigs, while morpho-functional features of erythrocytes were studied by using of INTEGRA Aura atomic force microscope (NT-MDT, Zelenograd, Russia). Histological specimens were stained with hematoxylin and eosin. Discriminant analysis was used to create predictive model for hepatic insufficiency...
2018: Khirurgiia
Jesse Lowe, Rohan Bansal, Stephen Badylak, Bryan Brown, William Chung, Alejandro Almarza
A subset of temporomandibular joint (TMJ) disorders are attributed to joint degeneration. The pig has been considered the preferred in-vivo model for the evaluation of potential therapies for TMJ disorders, and practical considerations such as cost and husbandry issues have favored the use of young, skeletally immature animals. However, the effect of growth on the biochemical and biomechanical properties of the TMJ disc and articulating cartilage has not been examined. The present study investigates the effect of age on the biochemical and biomechanical properties of healthy porcine TMJs at 3, 6, and 9 months of age...
March 19, 2018: Journal of Biomechanical Engineering
Fanny Pandolfi, Sandra A Edwards, Dominiek Maes, Ilias Kyriazakis
This study aimed to provide an overview of the interconnections between biosecurity, health, welfare, and performance in commercial pig farms in Great Britain. We collected on-farm data about the level of biosecurity and animal performance in 40 fattening pig farms and 28 breeding pig farms between 2015 and 2016. We identified interconnections between these data, slaughterhouse health indicators, and welfare indicator records in fattening pig farms. After achieving the connections between databases, a secondary data analysis was performed to assess the interconnections between biosecurity, health, welfare, and performance using correlation analysis, principal component analysis, and hierarchical clustering...
2018: Frontiers in Veterinary Science
M Vázquez-Gómez, C García-Contreras, L Torres-Rovira, S Astiz, C Óvilo, A González-Bulnes, B Isabel
Background: The aim of this study was to determine how maternal undernutrition during pregnancy and offspring birth-weight can affect the postnatal development of offspring under farm conditions, which may lead to consequences in its meat and carcass quality. The current study involved a total of 80 litters from Iberian sows fed a diet fulfilling daily requirements ( n  = 47; control) or providing 70% daily requirements ( n  = 33; underfed) from d 38 to d 90 of gestation when fetal tissue development begins...
2018: Journal of Animal Science and Biotechnology
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