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https://www.readbyqxmd.com/read/28327084/a-transcriptome-multi-tissue-analysis-identifies-biological-pathways-and-genes-associated-with-variations-in-feed-efficiency-of-growing-pigs
#1
Florence Gondret, Annie Vincent, Magalie Houée-Bigot, Anne Siegel, Sandrine Lagarrigue, David Causeur, Hélène Gilbert, Isabelle Louveau
BACKGROUND: Animal's efficiency in converting feed into lean gain is a critical issue for the profitability of meat industries. This study aimed to describe shared and specific molecular responses in different tissues of pigs divergently selected over eight generations for residual feed intake (RFI). RESULTS: Pigs from the low RFI line had an improved gain-to-feed ratio during the test period and displayed higher leanness but similar adiposity when compared with pigs from the high RFI line at 132 days of age...
March 21, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28321182/sparse-and-specific-coding-during-information-transmission-between-co-cultured-dentate-gyrus-and-ca3-hippocampal-networks
#2
Daniele Poli, Srikanth Thiagarajan, Thomas B DeMarse, Bruce C Wheeler, Gregory J Brewer
To better understand encoding and decoding of stimulus information in two specific hippocampal sub-regions, we isolated and co-cultured rat primary dentate gyrus (DG) and CA3 neurons within a two-chamber device with axonal connectivity via micro-tunnels. We tested the hypothesis that, in these engineered networks, decoding performance of stimulus site information would be more accurate when stimuli and information flow occur in anatomically correct feed-forward DG to CA3 vs. CA3 back to DG. In particular, we characterized the neural code of these sub-regions by measuring sparseness and uniqueness of the responses evoked by specific paired-pulse stimuli...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/28320080/interlaboratory-trial-for-the-measurement-of-total-cobalt-in-equine-urine-and-plasma-by-icp-ms
#3
Marie-Agnes Popot, Emmie N M Ho, Natali Stojiljkovic, Florian Bagilet, Pierre Remy, Pascal Maciejewski, Benoit Loup, George H M Chan, Sabine Hargrave, Rick M Arthur, Charlie Russo, James White, Pamela Hincks, Clive Pearce, George Ganio, Paul Zahra, David Batty, Mark Jarrett, Lydia Brooks, Lise-Anne Prescott, Ludovic Bailly-Chouriberry, Yves Bonnaire, Terence S M Wan
Cobalt is an essential mineral micronutrient and is regularly present in equine nutritional and feed supplements. Therefore, cobalt is naturally present at low concentrations in biological samples. The administration of cobalt chloride is considered to be blood doping and is thus prohibited. In order to control the misuse of cobalt, it was mandatory to establish an international threshold for cobalt in plasma and/or in urine. To achieve this goal an international collaboration, consisting of an interlaboratory comparison, between 5 laboratories for the urine study and 8 laboratories for the plasma study has been undertaken...
March 20, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28319268/developmental-changes-in-feeding-behaviors-of-infant-chimpanzees-at-mahale-tanzania-implications-for-nutritional-independence-long-before-cessation-of-nipple-contact
#4
Takuya Matsumoto
OBJECTIVES: Weaning of chimpanzees is considered to occur at 4-5-years-old with complete cessation of nipple contact and timing of reconception calculated by inter-birth interval minus gestation length. This is also the basis of "early weaning" in humans (i.e., approximately 2.5-years-old). However, recent studies of the survival of orphans and the first molar (M1) eruption in wild chimpanzees have predicted that infants move toward nutritional independence at 3-years-old. Therefore, this study aimed to investigate ontogeny of feeding behavior at around 3-years-old in wild infant chimpanzees...
March 20, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28303317/evaluation-of-the-applicability-of-territorial-arterial-spin-labeling-in-meningiomas-for-presurgical-assessments-compared-with-3-dimensional-time-of-flight-magnetic-resonance-angiography
#5
Yiping Lu, Shihai Luan, Li Liu, Ji Xiong, Jianbo Wen, Jianxun Qu, Daoying Geng, Bo Yin
OBJECTIVES: To prospectively evaluate the application of territorial arterial spin labelling (t-ASL) in comparison with unenhanced three-dimensional time-of-flight magnetic resonance angiography (3D-TOF-MRA) in the identification of the feeding vasculature of meningiomas. METHODS: Thirty consecutive patients with suspected meningiomas underwent conventional MR imaging, unenhanced 3D-TOF-MRA and t-ASL scanning. Four experienced neuro-radiologists assessed the feeding vessels with different techniques separately...
March 16, 2017: European Radiology
https://www.readbyqxmd.com/read/28269488/influence-of-force-feedback-on-grasp-force-modulation-in-prosthetic-applications-a-preliminary-study
#6
Sasha B Godfrey, Matteo Bianchi, Antonio Bicchi, Marco Santello
In typical movement, humans use a combination of feed-forward and feedback motor control strategies to interact with the world around them. However, when sensory input is impaired or absent, as in the case of various neuropathies or amputation, the ability to perform everyday tasks, like modulating grip force to object weight, can be affected. In this study, we show the results of a preliminary study using a pressure cuff-like force feedback device (CUFF) with the SoftHand Pro (SHP) prosthetic hand. Subjects lifted an object of various weights using their own hand, with the SHP without feedback, and the SHP with force feedback...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28264057/combined-bio-logging-and-stable-isotopes-reveal-individual-specialisations-in-a-benthic-coastal-seabird-the-kerguelen-shag
#7
Elodie C M Camprasse, Yves Cherel, John P Y Arnould, Andrew J Hoskins, Charles-André Bost
Individual specialisations, which involve the repetition of specific behaviours or dietary choices over time, have been suggested to benefit animals by avoiding competition with conspecifics and increasing individual foraging efficiency. Among seabirds, resident and benthic species are thought to be good models to study inter-individual variation as they repetitively exploit the same environment. We investigated foraging behaviour, isotopic niche and diet in the Kerguelen shag Phalacrocorax verrucosus during both the incubation and chick-rearing periods for the same individuals to determine the effect of sex, breeding stage, body mass and morphometrics on mean foraging metrics and their consistency...
2017: PloS One
https://www.readbyqxmd.com/read/28259818/control-of-nitrification-denitrification-in-an-onsite-two-chamber-intermittently-aerated-membrane-bioreactor-with-alkalinity-and-carbon-addition-model-and-experiment
#8
Mahamalage Kusumitha Perera, James D Englehardt, George Tchobanoglous, Reza Shamskhorzani
Denitrifying membrane bioreactors (MBRs) are being found useful in water reuse treatment systems, including net-zero water (nearly closed-loop), non-reverse osmosis-based, direct potable reuse (DPR) systems. In such systems nitrogen may need to be controlled in the MBR to meet the nitrate drinking water standard in the finished water. To achieve efficient nitrification and denitrification, the addition of alkalinity and external carbon may be required, and control of the carbon feed rate is then important. In this work, an onsite, two-chamber aerobic nitrifying/denitrifying MBR, representing one unit process of a net-zero water, non-reverse osmosis-based DPR system, was modeled as a basis for control of the MBR internal recycling rate, aeration rate, and external carbon feed rate...
February 20, 2017: Water Research
https://www.readbyqxmd.com/read/28249036/humpback-whale-super-groups-a-novel-low-latitude-feeding-behaviour-of-southern-hemisphere-humpback-whales-megaptera-novaeangliae-in-the-benguela-upwelling-system
#9
Ken P Findlay, S Mduduzi Seakamela, Michael A Meÿer, Stephen P Kirkman, Jaco Barendse, David E Cade, David Hurwitz, Amy S Kennedy, Pieter G H Kotze, Steven A McCue, Meredith Thornton, O Alejandra Vargas-Fonseca, Christopher G Wilke
Southern Hemisphere humpback whales (Megaptera novaeangliae) generally undertake annual migrations from polar summer feeding grounds to winter calving and nursery grounds in subtropical and tropical coastal waters. Evidence for such migrations arises from seasonality of historic whaling catches by latitude, Discovery and natural mark returns, and results of satellite tagging studies. Feeding is generally believed to be limited to the southern polar region, where Antarctic krill (Euphausia superba) has been identified as the primary prey item...
2017: PloS One
https://www.readbyqxmd.com/read/28241737/eco-evolution-in-size-structured-ecosystems-simulation-case-study-of-rapid-morphological-changes-in-alewife
#10
Jung Koo Kang, Xavier Thibert-Plante
BACKGROUND: Over the last 300 years, interactions between alewives and zooplankton communities in several lakes in the U.S. have caused the alewives' morphology to transition rapidly from anadromous to landlocked. Lakes with landlocked alewives contain smaller-bodied zooplankton than those without alewives. Landlocked adult alewives display smaller body sizes, narrower gapes, smaller inter-gill-raker spacings, reach maturity at an earlier age, and are less fecund than anadromous alewives...
February 27, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28231112/a-comparison-of-carbon-footprint-and-production-cost-of-different-pasta-products-based-on-whole-egg-and-pea-flour
#11
Antonia Nette, Patricia Wolf, Oliver Schlüter, Andreas Meyer-Aurich
Feed and food production are inter alia reasons for high greenhouse gas emissions. Greenhouse gas emissions could be reduced by the replacement of animal components with plant components in processed food products, such as pasta. The main components currently used for pasta are semolina, and water, as well as additional egg. The hypothesis of this paper is that the substitution of whole egg with plant-based ingredients, for example from peas, in such a product might lead to reduced greenhouse gas emissions (GHG) and thus a reduced carbon footprint at economically reasonable costs...
March 4, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28227740/influence-of-force-feedback-on-grasp-force-modulation-in-prosthetic-applications-a-preliminary-study
#12
Sasha B Godfrey, Matteo Bianchi, Antonio Bicchi, Marco Santello, Sasha B Godfrey, Matteo Bianchi, Antonio Bicchi, Marco Santello, Marco Santello, Antonio Bicchi, Sasha B Godfrey, Matteo Bianchi
In typical movement, humans use a combination of feed-forward and feedback motor control strategies to interact with the world around them. However, when sensory input is impaired or absent, as in the case of various neuropathies or amputation, the ability to perform everyday tasks, like modulating grip force to object weight, can be affected. In this study, we show the results of a preliminary study using a pressure cuff-like force feedback device (CUFF) with the SoftHand Pro (SHP) prosthetic hand. Subjects lifted an object of various weights using their own hand, with the SHP without feedback, and the SHP with force feedback...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222337/assessment-of-dental-plaque-coverage-by-quantitative-light-induced-fluorescence-qlf-in-domestic-short-haired-cats
#13
Zoe V Marshall-Jones, Corrin V Wallis, Judi M Allsopp, Alison Colyer, Ian J Davis, Lucy J Holcombe
Dietary means of reducing plaque and calculus deposits are frequently sought for the maintenance of oral health in cats and dogs. In the development of such products sensitive, reliable, reproducible methods of measuring plaque and calculus are key. The aim of this study was to assess Quantitative Light-induced Fluorescence (QLF™) for the detection of dental plaque coverage in cats compared to the modified Logan and Boyce technique. The techniques were utilised in a crossover study, which compared two diets for their effect on plaque deposition in a cohort of 24 adult cats...
February 10, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28213920/potato-aphid-macrosiphum-euphorbiae-performance-is-determined-by-aphid-genotype-and-not-mycorrhizal-fungi-or-water-availability
#14
Alison Jane Karley, Matthew Emslie-Smith, Alison Elizabeth Bennett
Intra- and inter-specific variation in plant and insect traits can alter the strength and direction of insect-plant interactions, with outcomes modified by soil biotic and abiotic conditions. We used the potato aphid (Macrosiphum euphorbiae Thomas) feeding on cultivated S. tuberosum and wild S. berthaulti to study the impact of water availability and plant mutualistic arbuscular mycorrhizal (AM) fungi on aphid performance and susceptibility to a parasitoid wasp (Aphidius ervi Haliday). Plants were grown under glass with live or sterile AM fungal spores and supplied with sufficient or reduced water supply...
February 18, 2017: Insect Science
https://www.readbyqxmd.com/read/28197795/effect-of-habitat-fragmentation-on-ranging-behavior-of-white-headed-langurs-in-limestone-forests-in-southwest-china
#15
Zhonghao Huang, Peisong Yuan, Henglian Huang, Xiaoping Tang, Weijian Xu, Chengming Huang, Qihai Zhou
The critically endangered white-headed langur (Trachypithecus leucocephalus) is confined to fragmented karst forests of southwest Guangxi Province, China. A lack of information on the influence of habitat fragmentation on langur behavior has prevented a comprehensive understanding of their ranging behavior and the development of effective langur conservation strategies. We collected comparative data on time budgets, daily path lengths, home range and diets of four langur groups inhabiting the lightly fragmented Fusui forest (G1, G2) and the more heavily fragmented Chongzuo forest (G3, G4)...
February 14, 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/28194657/eq-5d-and-the-euroqol-group-past-present-and-future
#16
REVIEW
Nancy J Devlin, Richard Brooks
Over the period 1987-1991 an inter-disciplinary five-country group developed the EuroQol instrument, a five-dimensional three-level generic measure subsequently termed the 'EQ-5D'. It was designed to measure and value health status. The salient features of its development and its consolidation and expansion are discussed. Initial expansion came, in particular, in the form of new language versions. Their development raised translation and semantic issues, experience with which helped feed into the design of two further instruments, the EQ-5D-5L and the youth version EQ-5D-Y...
April 2017: Applied Health Economics and Health Policy
https://www.readbyqxmd.com/read/28155281/preliminary-psychometric-performance-of-the-neonatal-feeding-assessment-scale
#17
Mari Viviers, Alta Kritzinger, Bart Vinck, Marien Graham
OBJECTIVE: The objective was to determine the preliminary psychometric performance of a new clinical feeding scale to diagnose oropharyngeal dysphagia (OPD) in neonates. METHODS: Twenty neonates with a median gestational age of 35 weeks were evaluated using the Neonatal Feeding Assessment Scale (NFAS) and modified barium swallow studies (MBSS). The results were compared. RESULTS: Nine of the 20 participants presented with OPD on the NFAS. Comparison of the scale's results with instrumental MBSS indicated that all participants without OPD were correctly excluded (100% sensitivity)...
January 30, 2017: South African Journal of Communication Disorders. die Suid-Afrikaanse Tydskrif Vir Kommunikasieafwykings
https://www.readbyqxmd.com/read/28152455/liquid-to-liquid-extraction-and-liquid-chromatography-tandem-mass-spectrometry-determination-of-hainanmycin-in-feed
#18
Ze Ping Wang, Jian Zhong Shen, Robert J Linhardt, Hui Jiang, Lin Li Cheng
Hainanmycin is a new veterinary polyether antibiotic and has few sensitive analytical method in present days. In this study, a liquid chromatography-tandem mass spectrometry (LC-MS/MS) relying on multiple reaction monitoring (MRM) detection was developed for analysis of hainanmycin in animal feed. Feed samples were extracted with ethyl acetate and purified by two steps of liquid-liquid extraction (LLE) to get rid of water solvable matrix and lipids one by one. The final simple was analyzed by LC-MS/MS. The LC mobile phase was composed of 0...
December 15, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28148637/impact-of-nonalcoholic-fatty-liver-disease-on-toxicokinetics-of-tetrachloroethylene
#19
Joseph A Cichocki, Shinji Furuya, Kranti Konganti, Yu-Syuan Luo, Thomas J McDonald, Yasuhiro Iwata, Weihsueh A Chiu, David W Threadgill, Igor P Pogribny, Ivan Rusyn
Lifestyle factors and chronic pathological states are important contributors to inter-individual variability in susceptibility to xenobiotic-induced toxicity. Nonalcoholic fatty liver disease (NAFLD) is an increasingly prevalent condition that can dramatically affect chemical metabolism. We examined the effect of NAFLD on toxicokinetics of tetrachloroethylene (PERC), a ubiquitous environmental contaminant that requires metabolic activation to induce adverse health effects. Mice (C57Bl/6J, male) were fed a low-fat diet (LFD), high fat diet (HFD), or methionine/folate/choline-deficient diet (MCD) to model a healthy liver, steatosis, or nonalcoholic steatohepatitis (NASH), respectively...
February 1, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28131578/mrna-abundance-of-genes-involved-in-mammary-lipogenesis-during-fish-oil-or-trans-10-cis-12-cla-induced-milk-fat-depression-in-dairy-ewes
#20
P G Toral, G Hervás, A Belenguer, D Carreño, P Frutos
Milk fat depression (MFD) caused by trans-10,cis-12 18:2 is known to be mediated in cows and ewes by downregulation of mammary lipogenic genes. However, transcriptional mechanisms underlying marine lipid-induced MFD have not been well defined yet and the few available studies in ovine are not consistent. This trial was conducted to directly compare changes in animal performance, milk fatty acid composition, and particularly mammary mRNA abundance of candidate lipogenic genes and transcription factors in response to the inclusion of fish oil or trans-10,cis-12 18:2 in the dairy sheep diet...
January 25, 2017: Journal of Dairy Science
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