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Temperature management

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https://www.readbyqxmd.com/read/29138934/habitat-quality-affects-stress-responses-and-survival-in-a-bird-wintering-under-extremely-low-ambient-temperatures
#1
Dina Cīrule, Tatjana Krama, Ronalds Krams, Didzis Elferts, Ants Kaasik, Markus J Rantala, Pranas Mierauskas, Severi Luoto, Indrikis A Krams
Animals normally respond to stressful environmental stimuli by releasing glucocorticoid hormones. We investigated whether baseline corticosterone (CORT), handling-induced corticosterone concentration(s), and body condition indices of members of willow tit (Poecile montanus) groups differed while wintering in old growth forests and managed young forests in mild weather conditions and during cold spells. Willow tits spend the winter season in non-kin groups in which dominant individuals typically claim their priority to access resources, while subordinate individuals may experience greater levels of stress and higher mortality, especially during cold spells...
November 14, 2017: Die Naturwissenschaften
https://www.readbyqxmd.com/read/29138889/-hypothermia-induced-ecg-changes-characteristic-but-not-specific
#2
G Michels, S Ney, F Hoffmann, J Brugada, R Pfister, K Brockmeier, A Sultan
Hypothermia-induced J‑ or so-called Osborn waves can be detected under therapeutic hypothermia in approximately 20-40% of cases. The occurrence of J‑waves in the context of the targeted temperature management after cardiopulmonary resuscitation is characteristic, but not pathognomonic for hypothermia. An electrocardiographic diagnosis under hypothermia after cardiac arrest should always be done with caution due to the various hypothermia-associated electromechanical changes of the myocardium.
November 14, 2017: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/29137670/modelling-and-mapping-tick-dynamics-using-volunteered-observations
#3
Irene Garcia-Martí, Raúl Zurita-Milla, Arnold J H van Vliet, Willem Takken
BACKGROUND: Tick populations and tick-borne infections have steadily increased since the mid-1990s posing an ever-increasing risk to public health. Yet, modelling tick dynamics remains challenging because of the lack of data and knowledge on this complex phenomenon. Here we present an approach to model and map tick dynamics using volunteered data. This approach is illustrated with 9 years of data collected by a group of trained volunteers who sampled active questing ticks (AQT) on a monthly basis and for 15 locations in the Netherlands...
November 14, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/29136658/community-ecology-in-3d-tensor-decomposition-reveals-spatio-temporal-dynamics-of-large-ecological-communities
#4
Romain Frelat, Martin Lindegren, Tim Spaanheden Denker, Jens Floeter, Heino O Fock, Camilla Sguotti, Moritz Stäbler, Saskia A Otto, Christian Möllmann
Understanding spatio-temporal dynamics of biotic communities containing large numbers of species is crucial to guide ecosystem management and conservation efforts. However, traditional approaches usually focus on studying community dynamics either in space or in time, often failing to fully account for interlinked spatio-temporal changes. In this study, we demonstrate and promote the use of tensor decomposition for disentangling spatio-temporal community dynamics in long-term monitoring data. Tensor decomposition builds on traditional multivariate statistics (e...
2017: PloS One
https://www.readbyqxmd.com/read/29136532/spatial-and-temporal-distribution-of-rainfall-and-drought-characteristics-across-the-pearl-river-basin
#5
Shulin Deng, Tan Chen, Ni Yang, Lean Qu, Manchun Li, Dong Chen
Understanding rainfall trends as well as drought characteristics plays a key role in watershed development and management. In this study, the spatial and temporal characteristics of rainfall and drought based on temperature and precipitation data observed in 48 meteorological stations from 1959 to 2012 across the Pearl River Basin in China were analyzed. The possible influence of El Nino-Southern Oscillation (ENSO) and El Nino Modoki (ENSO_M) events on seasonal drought based on the Standardized Precipitation-evapotranspiration Index (SPEI) were also investigated...
November 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29135522/determinants-of-long-term-neurological-recovery-patterns-relative-to-hospital-discharge-among-cardiac-arrest-survivors
#6
Sachin Agarwal, Alex Presciutti, William Roth, Elizabeth Matthews, Ashley Rodriguez, David J Roh, Soojin Park, Jan Claassen, Ronald M Lazar
OBJECTIVE: To explore factors associated with neurological recovery at 1 year relative to hospital discharge after cardiac arrest. DESIGN: Observational, retrospective review of a prospectively collected cohort. SETTING: Medical or surgical ICUs in a single tertiary care center. PATIENTS: Older than 18 years, resuscitated following either in-hospital or out-of-hospital cardiac arrest and considered for targeted temperature management between 2007 and 2013...
November 10, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/29135501/temperature-variability-in-a-modern-targeted-temperature-management-trial
#7
Ahmad Abu-Arafeh, Aryelly Rodriguez, Ross L Paterson, Peter J D Andrews
OBJECTIVES: The Eurotherm3235 trial showed that therapeutic hypothermia was deleterious in patients with raised intracranial pressure following traumatic brain injury. We sought to ascertain if increased temperature variability within the first 48 hours, or for 7 days post randomization, were modifiable risk factors associated with poorer outcome. DESIGN: Eurotherm3235 was a multicenter randomized controlled trial. Patients were randomized to receive either therapeutic hypothermia in addition to standard care or the later only...
November 10, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/29135359/fitness-competitive-ability-and-mutation-stability-of-isolates-of-colletotrichum-acutatum-from-strawberry-resistant-to-qoi-fungicides
#8
Bruna Balen Forcelini, Carolina Suguinoshita Rebello, Nan-Yi Wang, Natalia Peres
Quinone-outside inhibitor (QoI) fungicides are used to manage anthracnose of strawberry, caused by Colletotrichum acutatum. However, selection for resistance to QoI fungicides was first reported in 2013 in Florida, and subsequently in strawberry nurseries and production areas across the USA and Canada. C. acutatum resistance to QoIs is associated with the G143A point mutation in the cytochrome b gene. This mutation is known to be associated with field resistance even at high rates of QoIs. In this study, we investigated the relative fitness and competitive ability of QoI-resistant and -sensitive C...
November 14, 2017: Phytopathology
https://www.readbyqxmd.com/read/29133022/modelling-piglet-growth-and-mortality-on-commercial-hog-farms-using-variables-describing-individual-animals-litters-sows-and-management-factors
#9
Lucie Galiot, Isabelle Lachance, Jean-Paul Laforest, Frédéric Guay
Increases in sow prolificacy have reduced piglet vitality, growth capacity and weight at weaning and even pig weight at slaughter. The aim of this study was to develop a model that predicts likelihood of mortality and weight at weaning. A database containing 3214 records of birth weight, weight gain at 24h, rectal temperature at 24h, litter size, age at weaning, fostering status, manual assistance of birth and oxytocin use as well as the corresponding 227 records of sow parity and feed intake was analysed using logit functions for mortality and linear functions for weaning weight...
November 10, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29132920/environmental-heterogeneity-associated-with-european-perch-perca-fluviatilis-predation-on-invasive-round-goby-neogobius-melanostomus
#10
Kiran Liversage, Kristiina Nurkse, Jonne Kotta, Leili Järv
Spatiotemporal environmental variation affects fish feeding behaviour and capacity for piscivorous control of prey populations, which is important for management when prey include invasive species causing ecosystem impacts. We assessed gut-contents of an important piscivore (European perch Perca fluviatilis) over two years, and analysed variables affecting initiation and amounts of feeding, focusing on an important invasive prey species, round goby (Neogobius melanostomus). We show that predation is primarily controlled by variation of physical and habitat characteristics surrounding perch...
November 2, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/29131229/phonon-coupling-and-transport-in-individual-polyethylene-chains-a-comparison-study-with-the-bulk-crystal
#11
Xinjiang Wang, Massoud Kaviany, Baoling Huang
Using the first-principles-based anharmonic lattice dynamics, we calculate the thermal conductivities (κ) of both bulk and single-chain polyethylene (PE) and characterize the mode-wise phonon transport and scattering channels. A significantly higher room-temperature axial thermal conductivity in single-chain PE (1400 W m(-1) K(-1)) is observed compared to bulk PE crystals (237 W m(-1) K(-1)). The reduction of scattering phase space caused by the diminished inter-chain van der Waals interactions explains the much larger κ in single-chain PE...
November 13, 2017: Nanoscale
https://www.readbyqxmd.com/read/29130885/animal-thermoregulation-a-review-of-insulation-physiology-and-behaviour-relevant-to-temperature-control-in-buildings
#12
Dominic McCafferty, Guillaume Pandraud, Jérôme Gilles, Maria Fabra-Puchol, Pierre-Yves Henry
Birds and mammals have evolved many thermal adaptations that are relevant for bioinspired design of temperature control systems and energy management in buildings. Similar to many buildings, endothermic animals generate internal metabolic heat, are well insulated, regulate their temperature within set limits, modify microclimate and adjust thermal exchange with their environment. Here, we review the major components of animal thermoregulation in endothermic birds and mammals that are pertinent for building engineering, in a world where climate is changing and reduction in energy use is needed...
November 13, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/29128213/the-effects-of-feeding-a-partial-mixed-ration-plus-a-top-dress-before-feeding-on-milk-production-and-the-daily-rhythm-of-feed-intake-and-plasma-hormones-and-metabolites-in-dairy-cows
#13
M Niu, K J Harvatine
Total mixed rations (TMR) are commonly fed to dairy cows with a goal of reducing ruminal acidosis, but the daily pattern of feed intake has major implication for rumen fermentation and postabsorptive physiology. Generally there is low feed intake during the overnight period and high intake after feeding and during the afternoon. The objective of this study was to determine if feeding a partial mixed ration (PMR) plus a high starch top-dress before feeding of the PMR would improve production and modify key daily rhythms...
November 8, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29128210/short-communication-the-effects-of-morning-compared-with-evening-feed-delivery-in-lactating-dairy-cows-during-the-summer
#14
M Niu, K J Harvatine
Delivering fresh feed in the evening is a management strategy sometimes used during periods of heat stress, but previous experiments have observed that night feeding increased feed intake during the 2 h after feeding and did not change intake during the overnight period. The objective of this study was to determine the effect of night feeding on daily rhythms of the dairy cow during the summer season. Twelve Holstein cows were used in a crossover design with 14-d periods. An automated system recorded the timing of feed intake over the last 7 d of each period...
November 8, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29127981/-managing-the-cold-chain-in-healthcare-facilities
#15
REVIEW
Mathilde Royer, Justine Breton Marchand, David Pons
The storage of temperature-sensitive healthcare products requires control of the cold chain. Healthcare facilities must have the appropriate equipment at their disposal and ensure the traceability and monitoring of temperatures.
November 2017: Revue de L'infirmière
https://www.readbyqxmd.com/read/29127793/pest-management-under-climate-change-the-importance-of-understanding-tritrophic-relations
#16
REVIEW
V Castex, M Beniston, P Calanca, D Fleury, J Moreau
Plants and insects depend on climatic factors (temperature, solar radiation, precipitations, relative humidity and CO2) for their development. Current knowledge suggests that climate change can alter plants and insects development and affect their interactions. Shifts in tritrophic relations are of particular concern for Integrated Pest Management (IPM), because responses at the highest trophic level (natural enemies) are highly sensitive to warmer temperature. It is expected that natural enemies could benefit from better conditions for their development in northern latitudes and IPM could be facilitated by a longer period of overlap...
November 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29126821/spatial-and-temporal-characteristics-of-elevated-temperatures-in-municipal-solid-waste-landfills-navid-h-jafari-timothy-d-stark-and-todd-thalhamer-waste-management-2017-vol-59-p-286-301
#17
Morton A Barlaz, Craig H Benson, Marco Castaldi, Scott Luettich
No abstract text is available yet for this article.
November 7, 2017: Waste Management
https://www.readbyqxmd.com/read/29126820/blend-design-tools-for-medium-combustion-plants-mcp-firing-biomass-wastes
#18
I Ibarra, G Aragón, I Gómez, I Múgica, J González, J Rodríguez Maroto, E Rojas, D Sanz, R Ramos, R Escalada, E Borjabad, C Gutiérrez-Canas
A feasible alternative for agricultural or forestry waste management is the operation of a distributed network of sustainable Medium Combustion Plants (MCPs). However, one of the main factors that hinder its development is the propensity to operational problems derived from corrosion, slagging and fouling characteristics of both bottom and fly ashes. Therefore, a cost-effective approach for these multi-product MCP could be based on predictive tools for an optimal formulation of a fuel blend. This work focuses on the assessment of the ability of these methods to provide guidance for preventing ash-related operational problems and to provide fuel-blending rules...
November 7, 2017: Waste Management
https://www.readbyqxmd.com/read/29126457/chest-compression-related-fatal-internal-mammary-artery-injuries-manifesting-after-venoarterial-extracorporeal-membrane-oxygenation-a-case-series
#19
Toshinobu Yamagishi, Masahiro Kashiura, Kazuhiro Sugiyama, Kazuha Nakamura, Takuto Ishida, Takahiro Yukawa, Kazuki Miyazaki, Takahiro Tanabe, Yuichi Hamabe
BACKGROUND: Cardiopulmonary resuscitation-related bleeding, especially internal mammary artery injuries, can become life-threatening complications after initiating venoarterial extracorporeal membrane oxygenation owing to the frequent involvement of concomitant anticoagulant treatment, antiplatelet treatment, targeted temperature management, and bleeding coagulopathy. We report the cases of five patients who experienced this complication and discuss their management. CASE PRESENTATION: We retrospectively evaluated five patients with cardiopulmonary resuscitation-related internal mammary artery injuries who were treated between February 2011 and February 2016 at our institution...
November 11, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29125858/temperature-dependent-development-and-reproduction-of-rice-leaffolder-marasmia-exigua-lepidoptera-pyralidae
#20
Qiu-Ju Liao, Ya-Jun Yang, Jia Wang, Xiao Pang, Chun-Mei Xu, Cheng-Lin Peng, Zhong-Xian Lu, Ying-Hong Liu
Marasmia exigua (Butler) (Lepidoptera: Pyralidae) is one of the major rice leaffolders negatively affecting the rice production in the world. The growth and development of M. exigua was studied at seven constant temperatures (10, 15, 20, 25, 27, 30 and 35°C). The results showed that M. exigua eggs failed to hatch at 10°C and the larvae could not complete development at 15 and 35°C. The developmental times of each stage, survival rates of pre-adult, adult longevity, fecundities and oviposition days of M. exigua at 20, 25, 27 and 30°C were investigated using age-stage, two-sex life table...
2017: PloS One
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