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https://www.readbyqxmd.com/read/28214694/effect-of-different-irradiation-dose-treatment-on-the-lipid-oxidation-instrumental-color-and-volatiles-of-fresh-pork-and-their-changes-during-storage
#1
Chengliang Li, Lichao He, Guofeng Jin, Sumin Ma, Wenmin Wu, Lan Gai
This study mainly investigated the effect of different doses irradiation (0, 3, 5 or 7kGy) on the quality changes of pork during 4°C storage by determining the irradiation off-odor intensity, thiobarbituric acid reactive substances (TBARs), fatty acid composition, volatiles and color of the samples during whole storage. The results showed that ≥7kGy irradiation could make the samples produce obvious irradiation off-odor. However, after 7days storage irradiation off-odor was reduced. Lipid oxidation was also promoted by irradiation...
February 14, 2017: Meat Science
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
#2
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/28213036/meat-sources-of-infection-for-outbreaks-of-human-trichinellosis
#3
REVIEW
Ali Rostami, H Ray Gamble, Jean Dupouy-Camet, Hooshang Khazan, Fabrizio Bruschi
Trichinellosis is one of the most important foodborne zoonotic diseases, with worldwide distribution. While human risk for trichinellosis has historically been linked to pork, modern pork production systems and slaughter inspection programs have reduced or eliminated pork as a source for trichinellosis in many countries. While pork may no longer pose a significant risk for trichinellosis, many other animal species may be hosts for Trichinella species nematodes and when human consume meat from these animal species, there may be risk for acquiring trichinellosis...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28212398/modelling-the-risk-of-taenia-solium-exposure-from-pork-produced-in-western-kenya
#4
Lian F Thomas, William A de Glanville, Elizabeth A J Cook, Barend M De C Bronsvoort, Ian Handel, Claire N Wamae, Samuel Kariuki, Eric M Fèvre
The tapeworm Taenia solium is the parasite responsible for neurocysticercosis, a neglected tropical disease of public health importance, thought to cause approximately 1/3 of epilepsy cases across endemic regions. The consumption of undercooked infected pork perpetuates the parasite's life-cycle through the establishment of adult tapeworm infections in the community. Reducing the risk associated with pork consumption in the developing world is therefore a public health priority. The aim of this study was to estimate the risk of any one pork meal in western Kenya containing a potentially infective T...
February 17, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28208689/season-transport-duration-and-trailer-compartment-effects-on-blood-stress-indicators-in-pigs-relationship-to-environmental-behavioral-and-other-physiological-factors-and-pork-quality-traits
#5
Roberta Sommavilla, Luigi Faucitano, Harold Gonyou, Yolande Seddon, Renée Bergeron, Tina Widowski, Trever Crowe, Laurie Connor, Marina Bergoli Scheeren, Sébastien Goumon, Jennifer Brown
The objective of this study was to assess the effects of the season, travel duration and trailer compartment location on blood creatine-kinase (CK), lactate and cortisol concentrations in 384 pigs and assess their relationships with trailer temperature, heart rate and gastrointestinal tract temperature (GTT), behavior, carcass damage scores and meat quality. Blood CK was greater in pigs transported in summer (p = 0.02), after 18 h transportation (p < 0.001) and in pigs located in C4, C5 and C10 (p = 0.002)...
February 8, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28207307/nontyphoidal-salmonella-gastroenteritis-in-baoshan-shanghai-china-2010-to-2014-an-etiological-surveillance-and-case-control-study
#6
Xingtang Yang, Kai Jin, Fan Yang, Guoping Yuan, Wenbin Liu, Lunhui Xiang, Zhenqiang Wu, Zixiong Li, Jianying Mao, Junqing Shen, Nelson Lombe, Hemitério Zandamela, Lucrece Hazoume, Xiaomei Hou, Yibo Ding, Guangwen Cao
Nontyphoidal Salmonella (NTS) gastroenteritis is a widespread global foodborne disease. To identify the epidemiologic characteristics, sources of food contamination, and risk factors of NTS gastroenteritis, epidemiologic data and stool specimens of diarrheal patients were collected from sentinel hospitals in Baoshan, Shanghai, People's Republic of China, between 2010 and 2014. Food products from nearby farmers' markets and animal feces from live poultry markets and livestock farms were sampled to identify the pathogen; a case-control study was conducted to characterize risk factors of NTS gastroenteritis...
February 16, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28199889/polyphosphate-and-myofibrillar-protein-extract-promote-transglutaminase-mediated-enhancements-of-rheological-and-textural-properties-of-pse-pork-meat-batters
#7
Tomasz Lesiow, Gregg K Rentfrow, Youling L Xiong
The objective of this study was to improve the rheological (storage modulus G'; phase angle δ) and textural (hardness; breaking force) properties of nitrite-cured sausage batters prepared from pale, soft, exudative (PSE) pork with microbial transglutaminase (TG) using isolated myofibrillar protein (MP) or MP extracted by sodium tripolyphosphate (TPP) as substrates. While TG alone significantly enhanced G', δ and hardness, its combination with TPP was more pronounced as these product quality parameters were increased to the level equal to that of the counterpart batter made from normal (red, firm, non-exudative, RFN) pork...
February 5, 2017: Meat Science
https://www.readbyqxmd.com/read/28197972/prevalence-and-molecular-characterization-of-the-hepatitis-e-virus-in-retail-pork-products-marketed-in-canada
#8
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/28196141/changing-patterns-of-meat-consumption-and-greenhouse-gas-emissions-in-australia-will-kangaroo-meat-make-a-difference
#9
Shyama Ratnasiri, Jayatilleke Bandara
The Australian per capita consumption of ruminant meat such as beef and lamb has declined over the last two decades. Over the same period, however, per capita consumption of non-ruminant meat such as chicken and pork has continued to increase. Furthermore, it is now observed that the human consumption of kangaroo meat is on the rise. This study investigates the implications of these changes in meat consumption patterns on Green House Gases (GHGs) emission mitigation in Australia using a Vector Auto Regression (VAR) forecasting approach...
2017: PloS One
https://www.readbyqxmd.com/read/28193157/whole-genome-association-analysis-of-pork-meat-ph-revealed-three-significant-regions-and-several-potential-genes-in-finnish-yorkshire-pigs
#10
Lucas L Verardo, Marja-Liisa Sevón-Aimonen, Timo Serenius, Ville Hietakangas, Pekka Uimari
BACKGROUND: One of the most commonly used quality measurements of pork is pH measured 24 h after slaughter. The most probable mode of inheritance for this trait is oligogenic with several known major genes, such as PRKAG3. In this study, we used whole-genome SNP genotypes of over 700 AI boars; after a quality check, 42,385 SNPs remained for association analysis. All the boars were purebred Finnish Yorkshire. To account for relatedness of the animals, a pedigree-based relationship matrix was used in a mixed linear model to test the effect of SNPs on pH measured from loin...
February 13, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28191016/incidence-and-molecular-characterization-of-hepatitis-e-virus-from-swine-in-eastern-cape-south-africa
#11
Olusesan Adeyemi Adelabu, Benson Chuks Iweriebor, U U Nwodo, Larry Chikwelu Obi, Anthony Ifeanyi Okoh
Hepatitis E virus-mediated infection is a serious public health concern in economically developing nations of the world. Globally, four major genotypes of HEV have been documented. Hepatitis E has been suggested to be zoonotic owing to the increase of evidence through various studies. Thus far, this paper reports on prevalence of hepatitis E virus among swine herd in selected communal and commercial farms in the Eastern Cape Province of South Africa. A total of 160 faecal samples were collected from swine herds in Amathole and Chris Hani District Municipalities of Eastern Cape Province for the presence of HEV...
2017: Advances in Virology
https://www.readbyqxmd.com/read/28190419/seaweed-extracts-and-galacto-oligosaccharides-improve-intestinal-health-in-pigs-following-salmonella-typhimurium-challenge
#12
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/28188693/two-distinct-genotypes-of-porcine-epidemic-diarrhoea-virus-in-vaccinated-pig-flocks-in-shandong-province-of-china-2012-2015
#13
Y Zhang, Y Tian, S-L Lin, S-F Sun, J Chen, G-S Wang, F-L Tian, S-J Jiang
As one of the top pork producers in China, Shandong Province suffered frequent outbreaks of porcine epidemic diarrhoea virus (PEDV) on pig farms from January 2012 to July 2015, resulting in significant economic losses. To better understand the prevalence situation, we conducted molecular epidemiological analyses of 38 PEDV strains isolated from 13 cities in Shandong Province. The detection rate of PEDV was 71.2% (146/205) by reverse transcription polymerase chain reaction (RT-PCR). The S genes of the 38 isolated samples were 4146 to 4161 nt in length and shared high levels of sequence identity (93...
February 10, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28188647/formation-of-heterocyclic-amines-in-chinese-marinated-meat-effects-of-animal-species-and-ingredients-rock-candy-soy-sauce-and-rice-wine
#14
Pan Wang, Yanting Hong, Weixin Ke, Xiaosong Hu, Fang Chen
BACKGROUND: Heterocyclic aromatic amines (HAAs) are one type of neo-formed contaminants in protein-rich foods during heat processing. Recently, accumulative studies have focused on the formation of HAs in Western foods. However, there is little knowledge about the occurrence of HAAs in traditional Chinese foods. The objective of this study was to determinate the contents of main HAs in traditional marinated meat products by UPLC-MS/MS, and to investigate the effects of animal species and the ingredients (soy sauce, rock candy, and rice wine) on the formation of HAAs in marinated meats...
February 11, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28187702/adaptation-response-of-pseudomonas-fragi-on-refrigerated-solid-matrix-to-a-moderate-electric-field
#15
Wenbo Chen, Honghai Hu, Chunjiang Zhang, Feng Huang, Dequan Zhang, Hong Zhang
BACKGROUND: Moderate electric field (MEF) technology is a promising food preservation strategy since it relies on physical properties-rather than chemical additives-to preserve solid cellular foods during storage. However, the effectiveness of long-term MEF exposure on the psychrotrophic microorganisms responsible for the food spoilage at cool temperatures remains unclear. RESULTS: The spoilage-associated psychrotroph Pseudomonas fragi MC16 was obtained from pork samples stored at 7 °C...
February 10, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28187327/staphylococcal-ecosystem-of-kitoza-a-traditional-malagasy-meat-product
#16
Angela Ratsimba, Sabine Leroy, Jean Paul Chacornac, Danielle Rakoto, Elodie Arnaud, Victor Jeannoda, Régine Talon
Kitoza is a traditional meat product from Madagascar manufactured with strips of pork or beef. The process includes a first step of salting and mixing with spices followed by sun-drying or smoking step. As salting and drying select coagulase-negative staphylococci (CNS), our aim was to identify the CNS species in kitoza with the objective in the future of developing indigenous starters. Microbial analyses revealed that the only pathogenic bacterium enumerated was Staphylococcus aureus, which was found in 54% of the samples...
February 2, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28186826/cross-sectional-study-of-toxoplasma-gondii-infection-in-pig-farms-in-england
#17
Georgina Limon, Wendy Beauvais, Nikolaos Dadios, Isabelle Villena, Charlotte Cockle, Radu Blaga, Javier Guitian
Ingestion of undercooked meat has been proposed as an important source of human Toxoplasma gondii infection. To ascertain the contribution of meat consumption to the risk of human infection, estimates of the prevalence of infection in meat-producing animals are required. A cross-sectional study was conducted to assess T. gondii infection in pigs raised in England, to identify risk factors for infection, and to compare performance of two serological tests: modified agglutination test (MAT) and enzyme-linked immunosorbent assay (ELISA)...
February 10, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28185304/dual-echo-z-shimmed-proton-resonance-frequency-shift-magnetic-resonance-thermometry-near-metallic-ablation-probes-technique-and-temperature-precision
#18
Yuxin Zhang, Megan E Poorman, William A Grissom
PURPOSE: To improve the precision of proton resonance frequency-shift magnetic resonance thermometry near ablation probes by recovering near-probe image signals that are typically lost due to magnetic susceptibility-induced field distortions. METHODS: A dual-echo gradient-recalled echo sequence was implemented, in which the first echo was under- or over-refocused in the slice dimension to recover image signal and temperature precision near a probe, and the second echo was fully refocused to obtain image signal everywhere else in the slice...
February 10, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28183336/assessing-the-impact-of-intervention-strategies-against-taenia-solium-cysticercosis-using-the-epicyst-transmission-model
#19
Peter Winskill, Wendy E Harrison, Michael D French, Matthew A Dixon, Bernadette Abela-Ridder, María-Gloria Basáñez
BACKGROUND: The pork tapeworm, Taenia solium, and associated human infections, taeniasis, cysticercosis and neurocysticercosis, are serious public health problems, especially in developing countries. The World Health Organization (WHO) has set goals for having a validated strategy for control and elimination of T. solium taeniasis/cysticercosis by 2015 and interventions scaled-up in selected countries by 2020. Timely achievement of these internationally-endorsed targets requires that the relative benefits and effectiveness of potential interventions be explored rigorously within a quantitative framework...
February 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28183169/effects-of-wheat-supplementation-levels-on-growth-performance-blood-profiles-nutrient-digestibility-and-pork-quality-in-growing-finishing-pigs
#20
Taehee Han, J S Hong, L H Fang, S H Do, B O Kim, Y Y Kim
Objective: This study was conducted to evaluate various wheat supplementation levels on growth performance, blood profiles, nutrient digestibility, and pork quality in growing-finishing pigs. Methods: A total of 120 growing pigs ([Yorkshire × Landrace] × Duroc), with an average 27.75 ± 1.319 kg body weight (BW), were used in growth trial. Pigs were allotted into each treatment by body weight and sex in 4 replicates with 6 pigs per pen in a randomized complete block (RCB) design...
February 1, 2017: Asian-Australasian Journal of Animal Sciences
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