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https://www.readbyqxmd.com/read/28221937/food-safety-perceptions-and-practices-among-smallholder-pork-value-chain-actors-in-hung-yen-province-vietnam
#1
Sinh Dang-Xuan, Hung Nguyen-Viet, Tongkorn Meeyam, Reinhard Fries, Huong Nguyen-Thanh, Phuc Pham-Duc, Steven Lam, Delia Grace, Fred Unger
Pork safety is an important public health concern in Vietnam and is a shared responsibility among many actors along the pork value chain. We examined the knowledge, perceptions, and practices regarding food safety, disease, and health risk among selected pork value chain actors (slaughterhouse owners and workers, people living around slaughterhouses, pork sellers, consumers, and veterinary and public health staff) in three districts in Hung Yen Province, Vietnam. We randomly selected 52 pork value chain actors to be surveyed through questionnaires, observation checklists, key informant interviews, and focus group discussions...
September 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28216960/pharmacological-evaluation-of-apium-leptophyllum-pers-on-bronchial-asthma
#2
Himanshu Bhusan Sahoo, Rakesh Sagar, Ganesh Patro, Madhulita Panda, Saroj Kumar Sahoo, D Priyadarshini
OBJECTIVE: The present study was to investigate the antiasthmatic potential from the flavonoid fraction of Apium leptophyllum fruit (FFALF) to validate its traditional claim. MATERIALS AND METHODS: The antiasthmatic activity of FFALF was evaluated by histamine or acetylcholine-induced bronchospasm model in guinea pigs, compound 48/80 induced mast cell degranulation in albino rats and histamine-induced tracheal contraction in guinea pig. The preconvulsion dyspnea time at 0(th) and 7(th) day at the dose of 100 and 200 mg/kg in guinea pig's bronchospasm model, the percentage of granulated and degranulated mast cell at the dose of 500, 750, and 1000 μg/ml in rats and tracheal contraction at the dose of 500, 750, and 1000 μg/ml in guinea pig were measured and compared with respective control groups...
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/28215194/spatial-patterns-of-antimicrobial-resistance-genes-in-a-cross-sectional-sample-of-pig-farms-with-indoor-non-organic-production-of-finishers
#3
A C Birkegård, A K Ersbøll, T Halasa, J Clasen, A Folkesson, H Vigre, N Toft
Antimicrobial resistance (AMR) in pig populations is a public health concern. There is a lack of information of spatial distributions of AMR genes in pig populations at large scales. The objective of the study was to describe the spatial pattern of AMR genes in faecal samples from pig farms and to test if the AMR genes were spatially randomly distributed with respect to the geographic distribution of the pig farm population at risk. Faecal samples from 687 Danish pig farms were collected in February and March 2015...
February 20, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28213039/control-of-human-pathogenic-yersinia-enterocolitica-in-minced-meat-comparative-analysis-of-different-interventions-using-a-risk-assessment-approach
#4
I Van Damme, L De Zutter, L Jacxsens, M J Nauta
This study aimed to evaluate the effect of different processing scenarios along the farm-to-fork chain on the contamination of minced pork with human pathogenic Y. enterocolitica. A modular process risk model (MPRM) was used to perform the assessment of the concentrations of pathogenic Y. enterocolitica in minced meat produced in industrial meat processing plants. The model described the production of minced pork starting from the contamination of pig carcasses with pathogenic Y. enterocolitica just before chilling...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28212351/black-box%C3%A2-gastrointestinal%C3%A2-tract-needs%C3%A2-and%C3%A2-prospects%C3%A2-of%C3%A2-gaining%C3%A2-insights%C3%A2-of%C3%A2-fate%C3%A2-of%C3%A2-fat-%C3%A2-protein-%C3%A2-and%C3%A2-starch%C3%A2-in%C3%A2-case%C3%A2-of%C3%A2-exocrine%C3%A2-pancreatic%C3%A2-insufficiency%C3%A2-by%C3%A2-using%C3%A2-fistulated%C3%A2-pigs
#5
REVIEW
Anne Mößeler, Josef Kamphues
Exocrine pancreatic insufficiency (EPI) results in the maldigestion and malabsorption of nutrients. The digestive processes in humans and other monogastric species like rat and pig are characterized by a predominantly enzymatic digestion within the small intestine and microbial fermentation located in the hindgut. For protein, it is doctrine that only prececally absorbed amino acids can be transferred to the amino acid pool of the host, while postileal absorption of nitrogen-containing compounds occurs mainly in the form of ammonia, being a burden rather than a benefit for the organism...
February 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28207292/occurrence-of-toxoplasma-gondii-in-carcasses-of-pigs-reared-in-intensive-systems-in-northern-italy
#6
Roberto Papini, Pierluigi di Ciccio, Marianna Marangi, Sergio Ghidini, Emanuela Zanardi, Alberto Vergara, Annunziata Giangaspero, Simona Nardoni, Guido Rocchigiani, Francesca Mancianti, Adriana Ianieri
To evaluate the occurrence of Toxoplasma gondii and to genetically characterize its isolates in carcasses of industrial fattening pigs, blood, diaphragm, and heart samples were collected from 375 carcasses of pigs slaughtered to be processed for Parma ham production. Pigs had been bred on approved farms (n = 75) located in the so-called Food Valley in Italy. Sera were examined for immunoglobulin G antibodies to T. gondii by modified agglutination test (MAT). Both heart and diaphragm samples from seropositive carcasses were processed for the presence of T...
February 16, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28204884/selection-of-bacillus-species-for-targeted-in-situ-release-of-prebiotic-galacto-rhamnogalacturonan-from-potato-pulp-in-piglets
#7
Carsten Jers, Mikael L Strube, Mette D Cantor, Bea K K Nielsen, Ole B Sørensen, Mette Boye, Anne S Meyer
We have previously shown that galacto-rhamnogalacturonan fibers can be enzymatically extracted from potato pulp and that these fibers have potential for exerting a prebiotic effect in piglets. The spore-forming Bacillus species are widely used as probiotics in feed supplements for pigs. In this study, we evaluated the option for further functionalizing Bacillus feed supplements by selecting strains possessing the enzymes required for extraction of the potentially prebiotic fibers. We established that it would require production and secretion of pectin lyase and/or polygalacturonase but no or limited secretion of galactanase and β-galactosidase...
February 15, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28203548/doxycycline-induces-mitophagy-and-suppresses-production-of-interferon-%C3%AE-in-ipec-j2-cells
#8
Yang Xing, Zhu Liqi, Lin Jian, Yu Qinghua, Yang Qian
Previous reports have demonstrated that the second-generation tetracycline derivative doxycycline (DOX) interrupts mitochondrial proteostasis and physiology, inhibits proliferation of many cell types, and induces apoptosis. However, the effects of DOX, which is widely used in porcine husbandry by feed, on the porcine intestinal epithelium are unclear. In this study, we demonstrated that DOX damaged mitochondrial morphology and induced the co-localization of mitochondria with autophagosomes, suggesting that DOX induces mitophagy in IPEC-J2 cells...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28202026/an-indirect-enzyme-linked-immunosorbent-assay-for-the-identification-of-antibodies-to-senecavirus-a-in-swine
#9
Cheryl M T Dvorak, Zeynep Akkutay-Yoldar, Suzanne R Stone, Steven J P Tousignant, Fabio A Vannucci, Michael P Murtaugh
BACKGROUND: Senecavirus A (SVA), a member of the family Picornaviridae, genus Senecavirus, is a recently identified single-stranded RNA virus closely related to members of the Cardiovirus genus. SVA was originally identified as a cell culture contaminant and was not associated with disease until 2007 when it was first observed in pigs with Idiopathic Vesicular Disease (IVD). Vesicular disease is sporadically observed in swine, is not debilitating, but is significant due to its resemblance to foreign animal diseases, such as foot-and-mouth disease (FMD), whose presence would be economically devastating to the United States...
February 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28197972/prevalence-and-molecular-characterization-of-the-hepatitis-e-virus-in-retail-pork-products-marketed-in-canada
#10
Oksana Mykytczuk, Jennifer Harlow, Sabah Bidawid, Nathalie Corneau, Neda Nasheri
Infection with the hepatitis E virus (HEV) is very common worldwide. HEV causes acute viral hepatitis with approximately 20 million cases per year. While HEV genotypes 1 and 2 cause large waterborne and foodborne outbreaks with a significant mortality in developing countries, genotypes 3 and 4 are more prevalent in developed countries with transmission being mostly zoonotic. In North America and Europe, HEV has been increasingly detected in swine, and exposure to pigs and pork products is considered to be the primary source of infection...
February 14, 2017: Food and Environmental Virology
https://www.readbyqxmd.com/read/28197141/metabolomic-and-metagenomic-analysis-of-two-crude-oil-production-pipelines-experiencing-differential-rates-of-corrosion
#11
Vincent Bonifay, Boris Wawrik, Jan Sunner, Emily C Snodgrass, Egemen Aydin, Kathleen E Duncan, Amy V Callaghan, Athenia Oldham, Turid Liengen, Iwona Beech
Corrosion processes in two North Sea oil production pipelines were studied by analyzing pig envelope samples via metagenomic and metabolomic techniques. Both production systems have similar physico-chemical properties and injection waters are treated with nitrate, but one pipeline experiences severe corrosion and the other does not. Early and late pigging material was collected to gain insight into the potential causes for differential corrosion rates. Metabolites were extracted and analyzed via ultra-high performance liquid chromatography/high-resolution mass spectrometry with electrospray ionization (ESI) in both positive and negative ion modes...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28196757/influence-of-total-solids-concentration-on-the-anaerobic-co-digestion-of-sugar-beet-by-products-and-livestock-manures
#12
K Aboudi, C J Álvarez-Gallego, L I Romero-García
A series of batch anaerobic digestion assays were implemented to determine the influence of total solids concentration on the anaerobic digestion of sugar beet by-products and their co-digestion with two kind of livestock manures (pig and cow manures). The two total solid concentrations studied were 8% and 5%. Total solids contents above 8% were not evaluated because of the inappropriate rheological behaviour of sugar beet by-products at these concentrations. The best total solid content tested corresponded to 8%, achieving specific methane yields of 464...
February 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28192175/increased-anxiety-like-phenotype-in-female-guinea-pigs-following-reduced-neurosteroid-exposure-in-utero
#13
Angela L Cumberland, Hannah K Palliser, Gabrielle K Crombie, David W Walker, Jonathan J Hirst
Neurosteroids are essential for aiding proper fetal neurodevelopment. Pregnancy compromises such as preterm birth, prenatal stress and intrauterine growth restriction are associated with an increased risk of developing behavioural and mood disorders, particularly during adolescence. These pathologies involve the premature loss or alteration of trophic steroid hormones reaching the fetus leading to impaired neurodevelopment. While the specific programming mechanisms are yet to be fully elucidated, in adult life, dysfunctions of allopregnanolone action are prevalent in individuals with depression, post-traumatic stress disorder and anxiety disorders...
February 9, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28190419/seaweed-extracts-and-galacto-oligosaccharides-improve-intestinal-health-in-pigs-following-salmonella-typhimurium-challenge
#14
M A Bouwhuis, M J McDonnell, T Sweeney, A Mukhopadhya, C J O'Shea, J V O'Doherty
Pork and pork products are recognised as vehicles of Salmonella Typhimurium infection in humans. Seaweed-derived polysaccharides (SWE) and galacto-oligosaccharides (GOS) have shown to exhibit antimicrobial, prebiotic and immunomodulatory activity. The objective of this study was to assess the effects of dietary GOS and SWE supplementation on reducing S. Typhimurium numbers and intestinal inflammation in vivo. In total, 30 pigs (n=10/treatment, BW 30.9 kg) were randomly assigned to three dietary treatments: (1) basal diet; (2) basal diet+2...
February 13, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28182785/virulence-and-immunogenicity-of-genetically-defined-human-and-porcine-isolates-of-m-avium-subsp-hominissuis-in-an-experimental-mouse-infection
#15
Nicolas Bruffaerts, Christelle Vluggen, Virginie Roupie, Lucille Duytschaever, Christophe Van den Poel, Joseph Denoël, Ruddy Wattiez, Jean-Jacques Letesson, David Fretin, Leen Rigouts, Ophélie Chapeira, Vanessa Mathys, Claude Saegerman, Kris Huygen
Mycobacterium avium subsp. hominissuis (Mah) represents a health concern for humans and to a lesser extent for pigs, but its zoonotic potential remains elusive. Using multispacer sequence typing (MST) we previously identified 49 different genotypes of Mah among Belgian clinical and porcine isolates, with 5 MSTs shared by both hosts. Using experimental intranasal infection of BALB/c mice, we compared the virulence and immunogenicity of porcine and clinical human isolates with shared genotype or with a genotype only found in humans or pigs...
2017: PloS One
https://www.readbyqxmd.com/read/28177383/evaluating-the-behavior-growth-performance-immune-parameters-and-intestinal-morphology-of-weaned-piglets-after-simulated-transport-and-heat-stress-when-antibiotics-are-eliminated-from-the-diet-or-replaced-with-l-glutamine
#16
J S Johnson, D C Lay
Study objectives were to evaluate the effects of post-weaning transport during heat stress (HS) and thermoneutral (TN) conditions when dietary antibiotics are removed or replaced with a nutraceutical. Sixty mixed sex piglets from 10 sows ( = 6 piglets/sow) were weaned (18.8 ± 0.8 d of age) and then herded up ramps into 1 of 2 simulated transport trailers in either TN (28.8 ± 0.2°C) or HS (cyclical 32 to 37°C) conditions where they remained for 12 h. During the 12 h of simulated transport, fans were used to simulate air movement through the trailer, feed and water were withheld, and rectal temperature (T) was measured hourly...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28177379/effects-of-potential-detoxifying-agents-on-growth-performance-and-deoxynivalenol-don-urinary-balance-characteristics-of-nursery-pigs-fed-don-contaminated-wheat
#17
H L Frobose, E W Stephenson, M D Tokach, J M DeRouchey, J C Woodworth, S S Dritz, R D Goodband
Two experiments were conducted to evaluate potential detoxifying agents on growth of nursery pigs fed deoxynivalenol (DON)-contaminated diets. Naturally DON-contaminated wheat (6 mg/kg) was used to achieve desired DON levels. In a 21-d study, 238 pigs (13.4 ± 1.8 kg BW) were used in a completely randomized design with a 2 × 2 + 1 factorial arrangement. Diets were: 1) Positive control (PC; < 0.5 mg/kg DON), 2) PC + 1.0% Product V (Nutriquest LLC, Mason City, IA), 3) Negative control (NC; 4.0 mg/kg DON), 4) NC + 1...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28177370/fermentation-products-as-feed-additives-mitigate-some-ill-effects-of-heat-stress-in-pigs
#18
S Kumar, B E Bass, M Bandrick, C L Loving, S L Brockmeier, T Looft, J Trachsel, D M Madson, M Thomas, T A Casey, J W Frank, T B Stanton, H K Allen
Heat stress (HS) may result in economic losses to pig producers across the USA and worldwide. Despite significant advancements in management practices, HS continues to be a challenge. In this study, an in-feed antibiotic (carbadox, CBX) and antibiotic alternatives ( [XPC], and [SGX] fermentation products) were evaluated in a standard pig starter diet as mitigations against the negative effects of HS in pigs. A total of 100 gilts were obtained at weaning (6.87 ± 0.82 kg BW, 19.36 ± 0.72 d of age) and randomly assigned to dietary treatments (2 rooms/treatment, 2 pens/room, 6 to 7 pigs/pen)...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28177364/effects-of-group-size-floor-space-allowance-during-the-nursery-phase-of-production-on-growth-physiology-and-hematology-in-replacement-gilts
#19
S R Callahan, A J Cross, A E DeDecker, M D Lindemann, M J Estienne
The objective was to determine effects of nursery group-size-floor space allowance on growth, physiology, and hematology of replacement gilts. A 3 × 3 factorial arrangement of treatments was used wherein gilts classified as large, medium, or small ( = 2537; BW = 5.6 ± 0.6 kg) from 13 groups of weaned pigs were placed in pens of 14, 11, or 8 pigs resulting in floor space allowances of 0.15, 0.19, or 0.27 m/pig, respectively. Pigs were weighed on d 0 (weaning) and d 46 (exit from nursery). The ADG was affected by group-size-floor space allowance × pig size ( = 0...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28177354/dietary-supplementation-with-tributyrin-prevented-weaned-pigs-from-growth-retardation-and-lethal-infection-via-modulation-of-inflammatory-cytokines-production-ileal-expression-and-intestinal-acetate-fermentation
#20
Y Gu, Y Song, H Yin, S Lin, X Zhang, L Che, Y Lin, S Xu, B Feng, D Wu, Z Fang
Weanling pigs, with an underdeveloped intestine and immature immune system, are usually subjected to depressed feed intake, growth retardation, and postweaning diarrhea. The aim of this study was to determine 1) the growth response of weaned pigs to supplemental tributyrin (TB) and 2) the potential effects and mechanisms of TB in modulating immune responses of lipopolysaccharide (LPS)-challenged piglets. A total of 240 piglets (Duroc × Large White × Landrace) were weaned at 21 d of age to a control (basal diet), supplemented with antibiotics (AB; +AB), supplemented with TB (+TB), or with supplemental AB and TB (+AB+TB) diets, with 10 replicate pens (6 piglets/pen) per diet...
January 2017: Journal of Animal Science
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