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https://www.readbyqxmd.com/read/28134434/herbivore-induced-plant-volatiles-accurately-predict-history-of-coexistence-diet-breadth-and-feeding-mode-of-herbivores
#1
Holger Danner, Gaylord A Desurmont, Simona M Cristescu, Nicole M van Dam
Herbivore-induced plant volatiles (HIPVs) serve as specific cues to higher trophic levels. Novel, exotic herbivores entering native foodwebs may disrupt the infochemical network as a result of changes in HIPV profiles. Here, we analysed HIPV blends of native Brassica rapa plants infested with one of 10 herbivore species with different coexistence histories, diet breadths and feeding modes. Partial least squares (PLS) models were fitted to assess whether HIPV blends emitted by Dutch B. rapa differ between native and exotic herbivores, between specialists and generalists, and between piercing-sucking and chewing herbivores...
January 30, 2017: New Phytologist
https://www.readbyqxmd.com/read/28129937/determination-of-cinnamaldehyde-carvacrol-and-thymol-in-feedstuff-additives-by-pressurized-liquid-extraction-followed-by-gas-chromatography-mass-spectrometry
#2
Marta Jiménez-Salcedo, María Teresa Tena
Specific blends of essential oils (BEOs) are promising substitutes for antibiotics to promote livestock performance and to reduce the incidence of intestinal disorders. Microencapsulation of BEOs has shown to improve their stability, bioavailability and to control their release rate once they are added to the feedstuff. The development and validation of a method for determining essential oil components such as carvacrol, thymol and cinnamaldehyde in a microencapsulated material used as feed additive is presented...
January 20, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28117827/film-extrusion-of-crambe-abyssinica-wheat-gluten-blends
#3
Mikael Gällstedt, Henrik Pettersson, Therese Johansson, William R Newson, Eva Johansson, Mikael S Hedenqvist
Crambe abyssinica is a plant with potential for use in industrial (non-food) plant oil production. The side stream from this oil production is a high-protein crambe meal that has limited value, as it is not fit for food or feed use. However, it contains proteins that could potentially make it a suitable raw material for higher-value products. The purpose of this study was to find methods of making this side stream into extruded films, showing that products with a higher value can be produced. The study mainly considered the development of material compositions and methods of preparing and extruding the material...
January 17, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28114992/a-maize-ing-attraction-gravid-anopheles-arabiensis-are-attracted-and-oviposit-in-response-to-maize-pollen-odours
#4
Betelehem Wondwosen, Sharon R Hill, Göran Birgersson, Emiru Seyoum, Habte Tekie, Rickard Ignell
BACKGROUND: Maize cultivation contributes to the prevalence of malaria mosquitoes and exacerbates malaria transmission in sub-Saharan Africa. The pollen from maize serves as an important larval food source for Anopheles mosquitoes, and females that are able to detect breeding sites where maize pollen is abundant may provide their offspring with selective advantages. Anopheles mosquitoes are hypothesized to locate, discriminate among, and select such sites using olfactory cues, and that synthetic volatile blends can mimic these olfactory-guided behaviours...
January 23, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28110126/effect-of-supplementation-with-linseed-or-a-blend-of-aromatic-spices-and-time-on-feed-on-fatty-acid-composition-meat-quality-and-consumer-liking-of-meat-from-lambs-fed-dehydrated-alfalfa-or-corn
#5
C E Realini, G Bianchi, O Bentancur, G Garibotto
Cross-bred lambs (n=72) were fed finishing diets using a factorial arrangement of treatments: BASAL DIET (alfalfa pellets or corn), SUPPLEMENT (none, linseed or aromatic spices), TIME ON FEED (41 or 83days). Carcass and meat quality traits, fatty acid composition, color stability and consumer liking were determined. Feeding alfalfa improved sensory ratings and fatty acid composition of lamb. However, corn or longer alfalfa feeding would be recommended if heavier and fatter carcasses are sought. Consumer liking and fatty acid composition of lamb were improved with addition of spices and linseed, respectively...
December 29, 2016: Meat Science
https://www.readbyqxmd.com/read/28107993/using-multiple-process-analytical-technology-probes-to-monitor-multivitamin-blends-in-a-tableting-feed-frame
#6
Pedro Durão, Clémence Fauteux-Lefebvre, Jean-Maxime Guay, Nicolas Abatzoglou, Ryan Gosselin
As Process Analytical Technology (PAT) implementation grows in the pharmaceutical industry, more studies are being performed to evaluate its suitability in new applications and processes within the manufacturing chain. As the last step in tablet production, the compression stage represents a critical phase that ensures product quality. In-line control put in place at this stage has the potential to detect powder blends that are out of specification limits and, thus, help to improve product quality. The objectives of the present project are to quantify the composition of a commercial 31-component multivitamin powder blend in real time on an industrial feed frame, using 3 different PAT tools: light-induced fluorescence spectroscopy, near infrared spectroscopy and red, green and blue color imaging...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107878/effect-of-strategic-administration-of-an-encapsulated-blend-of-formic-acid-citric-acid-and-essential-oils-on-salmonella-carriage-seroprevalence-and-growth-of-finishing-pigs
#7
Kavita Walia, Hector Argüello, Helen Lynch, Finola C Leonard, Jim Grant, Dermot Yearsley, Sinead Kelly, Geraldine Duffy, Gillian E Gardiner, Peadar G Lawlor
Controlling Salmonella at farm level can act as the first line of defence in reducing salmonellosis from pork. This study investigated the efficacy of an encapsulated blend of formic acid, citric acid, and essential oils (FormaXOL™) administered to finisher pigs for 28days prior to slaughter in controlling Salmonella shedding on a commercial farm with a history of high Salmonella seroprevalence. Fourteen pens of 8-10 pigs/pen were randomly assigned to a control (finisher diet without additive) or a treatment group (the same diet with 4kg/t of FormaXOL™) for 28 days...
February 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28099982/-e-learning-in-ent-usage-in-university-medical-centers-in-germany
#8
Peter Freiherr von Saß, Thomas Klenzner, Kathrin Scheckenbach, Adam Chaker
E-learning is an essential part of innovative medical teaching concepts. The challenging anatomy and physiology in ENT is considered particularly suitable for self-assessed and adaptive e-learning. Usage and data on daily experience with e-learning in German ENT-university hospitals are currently unavailable and the degree of implementation of blended learning including feed-back from medical students are currently not known. We investigated the current need and usage of e-learning in academic ENT medical centers in Germany...
January 18, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28099453/elimination-of-porcine-epidemic-diarrhea-virus-in-an-animal-feed-manufacturing-facility
#9
Anne R Huss, Loni L Schumacher, Roger A Cochrane, Elizabeth Poulsen, Jianfa Bai, Jason C Woodworth, Steve S Dritz, Charles R Stark, Cassandra K Jones
Porcine Epidemic Diarrhea Virus (PEDV) was the first virus of wide scale concern to be linked to possible transmission by livestock feed or ingredients. Measures to exclude pathogens, prevent cross-contamination, and actively reduce the pathogenic load of feed and ingredients are being developed. However, research thus far has focused on the role of chemicals or thermal treatment to reduce the RNA in the actual feedstuffs, and has not addressed potential residual contamination within the manufacturing facility that may lead to continuous contamination of finished feeds...
2017: PloS One
https://www.readbyqxmd.com/read/28081252/corn-soy-blend-fortified-with-phosphorus-to-prevent-refeeding-hypophosphatemia-in-undernourished-piglets
#10
Anne-Louise Hother, Mikkel Lykke, Torben Martinussen, Hanne Damgaard Poulsen, Christian Mølgaard, Per Torp Sangild, André Briend, Christian Fink Hansen, Henrik Friis, Kim F Michaelsen, Thomas Thymann
BACKGROUND: Phosphorus (P) levels in refeeding diets are very important as undernourished children are at risk of hypophosphatemia during refeeding. For this reason, conventional corn-soy-blends (CSB) have been reformulated by the World Food Programme to obtain a mono-calcium-phosphate fortified product (CSB+) and a product further fortified with skim milk powder (CBS++). METHODS: Using a piglet model of undernourished children, we hypothesized that feeding of CSB+, CSB++ or CSB+ with added whey permeate (CSB+/wp) would help to prevent refeeding hypophosphatemia...
2017: PloS One
https://www.readbyqxmd.com/read/28078624/millipede-defensive-compounds-are-a-double-edged-sword-natural-history-of-the-millipede-parasitic-genus-myriophora-brown-diptera-phoridae
#11
John M Hash, Jocelyn G Millar, John M Heraty, James F Harwood, Brian V Brown
Toxic defensive secretions produced by millipedes in the orders Julida, Spirobolida, Spirostreptida, and Polydesmida are highly repellent to most vertebrate and invertebrate natural enemies, but a few insects have evolved mechanisms to overcome these defenses. We demonstrate that highly specialized parasitic phorid flies in the species-rich genus Myriophora use volatile millipede defensive compounds as kairomones for host location. Of the two predominant quinone components in the defensive blend of juliform millipedes, 2-methoxy-3-methyl-1,4-benzoquinone alone was sufficient to attract adult flies of both sexes; however, a combination of 2-methoxy-3-methyl-1,4-benzoquinone and 2-methyl-1,4-benzoquinone increased attractiveness nearly threefold...
January 11, 2017: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/28077192/dietary-probiotic-supplementation-improves-growth-and-the-intestinal-morphology-of-nile-tilapia
#12
M A Ramos, S Batista, M A Pires, A P Silva, L F Pereira, M J Saavedra, R O A Ozório, P Rema
Probiotic administration can be a nutritional strategy to improve the immune response and growth performance of fish. The current study aimed to evaluate the effects of a probiotic blend (Bacillus sp., Pediococcus sp., Enterococcus sp., Lactobacillus sp.) as a dietary supplement on growth performance, feed utilization, innate immune and oxidative stress responses and intestinal morphology in juvenile Nile tilapia (Oreochromis niloticus). The probiotic was incorporated into a basal diet at three concentrations: 0 g/kg (A0: control), 3 g/kg (A1: 1...
January 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28069390/continuous-direct-compression-as-manufacturing-platform-for-sustained-release-tablets
#13
B Van Snick, J Holman, C Cunningham, A Kumar, J Vercruysse, T De Beer, J P Remon, C Vervaet
This study presents a framework for process and product development on a continuous direct compression manufacturing platform. A challenging sustained release formulation with high content of a poorly flowing low density drug was selected. Two HPMC grades were evaluated as matrix former: standard Methocel CR and directly compressible Methocel DC2. The feeding behavior of each formulation component was investigated by deriving feed factor profiles. The maximum feed factor was used to estimate the drive command and depended strongly upon the density of the material...
January 6, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28050733/qualitative-and-quantitative-differences-in-herbivore-induced-plant-volatile-blends-from-tomato-plants-infested-by-either-tuta-absoluta-or-bemisia-tabaci
#14
Diego B Silva, Berhane T Weldegergis, Joop J A Van Loon, Vanda H P Bueno
Plants release a variety of volatile organic compounds that play multiple roles in the interactions with other plants and animals. Natural enemies of plant-feeding insects use these volatiles as cues to find their prey or host. Here, we report differences between the volatile blends of tomato plants infested with the whitefly Bemisia tabaci or the tomato borer Tuta absoluta. We compared the volatile emission of: (1) clean tomato plants; (2) tomato plants infested with T. absoluta larvae; and (3) tomato plants infested with B...
January 3, 2017: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/28013374/mosquito-repellent-activity-of-volatile-oils-from-selected-aromatic-plants
#15
Lalthazuali, Nisha Mathew
Essential oils from fresh leaves of four aromatic plants viz., Ocimum sanctum, Mentha piperita, Eucalyptus globulus and Plectranthus amboinicus were extracted by hydrodistillation. The test solutions were prepared as 20% essential oil in ethanol and positive control as 20% DEET in ethanol. Essential oil blend was prepared as 5% concentration. Nulliparous, 3-5-day-old female adult Aedes aegypti mosquitoes were used for repellency screening as per ICMR protocol. The study showed that the repellency of 20% essential oil of O...
February 2017: Parasitology Research
https://www.readbyqxmd.com/read/28000386/chitosan-nanofibers-for-transbuccal-insulin-delivery
#16
Michael G Lancina, Roopa Kanakatti Shankar, Hu Yang
PURPOSE: In this work, we aimed at producing chitosan based nanofiber mats capable of delivering insulin via the buccal mucosa. METHODS: Chitosan was electrospun into nanofibers using poly(ethylene oxide) (PEO) as a carrier molecule in various feed ratios. The mechanical properties and degradation kinetics of the fibers were measured. Insulin release rates were determined in vitro using an ELISA assay. The bioactivity of released insulin was measured in terms of Akt activation in pre-adipocytes...
December 21, 2016: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/27910283/feeding-behaviors-during-home-based-treatment-of-moderate-acute-malnutrition-using-corn-soy-blends-or-lipid-based-nutrient-supplements
#17
Ann-Sophie Iuel-Brockdorf, Albertine Ouedraogo, Christian Ritz, Tania Aase Draebel, Per Ashorn, Suzanne Filteau, Kim F Michaelsen
Feeding behaviors have an important impact on children's nutritional status and are essential to consider when implementing nutrition programs. The objective of this study was to explore and compare feeding behaviors related to supplementary feeding with corn-soy blends (CSB) and lipid-based nutrient supplements (LNS) based on best practice feeding behaviors. The study was conducted as part of a randomized controlled trial assessing the effectiveness of new formulations of CSB and LNS and comprised 1,546 children from 6 to 23 months...
December 2, 2016: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/27902914/inactivation-of-avian-influenza-virus-in-nonpelleted-chicken-feed
#18
H Toro, V L van Santen, C Breedlove
Corn stored outside could become contaminated with avian influenza virus (AIV) from wild bird droppings. AIV-contaminated ingredients could pass into the poultry flocks in nonpelleted chicken feed. The efficacy of two disinfectants at inactivating AIV in chicken feed was evaluated. Both Termin-8 (a blend of formaldehyde, propionic acid, terpenes, and surfactant) and Finio (a blend of approved phytochemicals and carboxylic acids) effectively inactivated AIV in chicken feed. Because stability of infectious AIV in chicken feed is limited, we evaluated addition of protein (skim milk powder) to the virus suspension...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27901056/rice-volatiles-lure-gravid-malaria-mosquitoes-anopheles-arabiensis
#19
Betelehem Wondwosen, Göran Birgersson, Emiru Seyoum, Habte Tekie, Baldwyn Torto, Ulrike Fillinger, Sharon R Hill, Rickard Ignell
Mosquito oviposition site selection is essential for vector population dynamics and malaria epidemiology. Irrigated rice cultivations provide ideal larval habitats for malaria mosquitoes, which has resulted in increased prevalence of the malaria vector, Anopheles arabiensis, in sub-Saharan Africa. The nature and origin of the cues regulating this behaviour are only now being elucidated. We show that gravid Anopheles arabiensis are attracted and oviposit in response to the odour present in the air surrounding rice...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27898887/effects-of-processing-treated-corn-stover-and-distillers-grains-on-performance-and-total-tract-digestion-of-finishing-cattle
#20
J L Gramkow, C J Bittner, M L Jolly-Breithaupt, D B Burken, G E Erickson, J C MacDonald
Two studies evaluated effects of replacing corn with a pellet containing alkaline treated corn stover, dried distillers' grains plus solubles (DDGS), and distillers' solubles on total tract digestion and performance of finishing cattle. Experiment 1 used 4 ruminally fistulated steers in a 4 × 6 Latin rectangle to evaluate total tract digestion. Treatments consisted of a control (CON) containing 50.3% dry-rolled corn (DRC), 40% modified distillers' grains plus solubles (MDGS), and 5% untreated corn stover. The next 2 treatments replaced 25% DRC (DM basis) with either a CaO-treated stover pellet (STOVPEL) or a pellet consisting of 64% CaO-treated corn stover, 18% DDGS, and 18% corn distillers' solubles (COMBPEL)...
September 2016: Journal of Animal Science
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