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https://www.readbyqxmd.com/read/28433734/prospective-association-of-fetal-liver-blood-flow-at-30-weeks-gestation-with-newborn-adiposity
#1
Satoru Ikenoue, Feizal Waffarn, Masanao Ohashi, Kaeko Sumiyoshi, Chigusa Ikenoue, Claudia Buss, Daniel L Gillen, Hyagriv N Simhan, Sonja Entringer, Pathik D Wadhwa
BACKGROUND: The production of variation in adipose tissue accretion represents a key fetal adaptation to energy substrate availability during gestation. Because umbilical venous blood transports nutrient substrate from the maternal to the fetal compartment, and the fetal liver is the primary organ where nutrient inter-conversion occurs, it has been proposed that variations in the relative distribution of umbilical venous blood flow shunting either through ductus venosus or perfusing the fetal liver represents a mechanism underlying this adaptation...
April 19, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28432750/effect-of-feeding-two-rrr-alpha-tocopherol-formulations-on-serum-cerebrospinal-fluid-and-muscle-alpha-tocopherol-concentrations-in-horses-with-subclinical-vitamin-e-deficiency
#2
J C Brown, S J Valberg, M Hogg, C J Finno
BACKGROUND: Alpha tocopherol (α-TP) supplementation is recommended for the prevention of various equine neuromuscular disorders. Formulations available include RRR-α-TP acetate powder and a more expensive but rapidly water-dispersible liquid RRR-α-TP (WD α-TP). A cost-effective means to rapidly increase serum and CSF α-TP with WD-α-TP and then sustain concentrations with RRR-α-TP acetate has not been reported. OBJECTIVES: To evaluate serum, CSF and muscle α-TP concentrations in an 8-week dosing regimen where horses were transitioned from WD RRR-α-TP to RRR-α-TP acetate...
April 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28390660/isotopic-niches-of-fin-whales-from-the-mediterranean-sea-and-the-celtic-sea-north-atlantic
#3
Krishna Das, Ophélie Holleville, Conor Ryan, Simon Berrow, Anita Gilles, Denis Ody, Loïc N Michel
The fin whale (Balaenoptera physalus) is the most abundant and widespread mysticete species in the Mediterranean Sea, found mostly in deep, offshore waters of the western and central portion of the region. In the Mediterranean, this species is known to feed mainly on krill, in contrast to its Atlantic counterpart, which displays a more diversified diet. The International Whaling Commission recognizes several managements units in the Atlantic and the Mediterranean Sea and the connectivity between these populations is still being debated...
March 27, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28378989/study-of-the-non-parasitic-stage-in-ixodes-ricinus-after-co-feeding-with-dermacentor-reticulatus-in-three-infestations
#4
Katarzyna Bartosik, Alicja Buczek, Adam Borzęcki, Dorota Kulina
It was proved that transmission of some pathogens may occur between infected and uninfected ticks co-feeding on a host in the absence of systemic infection. The effect was studied of co-feeding of two different tick species Ixodes ricinus and Dermacentor reticulatus on the course of the non-parasitic stage. Species chosen for the experiment may share their habitats and co-infest animals in nature. In the course of the study the process of egg maturation, oviposition and larval hatching were investigated. In order to estimate if co-feeding influence can counteract host immunity, three subsequent infestations of rabbits were analyzed...
March 22, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28371192/reconsidering-connectivity-in-the-sub-antarctic
#5
Katherine L Moon, Steven L Chown, Ceridwen I Fraser
Extreme and remote environments provide useful settings to test ideas about the ecological and evolutionary drivers of biological diversity. In the sub-Antarctic, isolation by geographic, geological and glaciological processes has long been thought to underpin patterns in the region's terrestrial and marine diversity. Molecular studies using increasingly high-resolution data are, however, challenging this perspective, demonstrating that many taxa disperse among distant sub-Antarctic landmasses. Here, we reconsider connectivity in the sub-Antarctic region, identifying which taxa are relatively isolated, which are well connected, and the scales across which this connectivity occurs in both terrestrial and marine systems...
March 29, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28366390/feeding-characteristics-and-molecular-phylogeny-of-the-thecate-mixotrophic-dinoflagellate-fragilidium-mexicanum
#6
Sunju Kim, Myung Gil Park
Prey spectrum and feeding process of the mixotrophic thecate dinoflagellate Fragilidium mexicanum strain Fm-LOHABE01 were examined using a culture isolated from Masan Bay, Korea in 2011 during a summer bloom of the toxic dinoflagellate Alexandrium pacificum. The novel 18S and 28S rDNA sequences for F. mexicanum were also used to explore inter-species relationships within the genus Fragilidium. The F. mexicanum fed on species belonging to four dinoflagellate genera (i.e., Alexandrium, Ceratium, Heterocapsa, and Scrippsiella) when separately offered a variety of prey, including dinoflagellates, raphidophytes, cryptophytes, and a ciliate...
March 2017: Harmful Algae
https://www.readbyqxmd.com/read/28364647/trace-elements-in-loggerhead-turtles-caretta-caretta-stranded-in-mainland-portugal-bioaccumulation-and-tissue-distribution
#7
Lídia Nicolau, Sílvia S Monteiro, Andreia T Pereira, Ana Marçalo, Marisa Ferreira, Jordi Torres, José Vingada, Catarina Eira
Pollution is among the most significant threats that endanger sea turtles worldwide. Waters off the Portuguese mainland are acknowledged as important feeding grounds for juvenile loggerheads. However, there is no data on trace element concentrations in marine turtles occurring in these waters. We present the first assessment of trace element concentrations in loggerhead turtles (Caretta caretta) occurring off the coast of mainland Portugal. Also, we compare our results with those from other areas and discuss parameters that may affect element concentrations...
July 2017: Chemosphere
https://www.readbyqxmd.com/read/28361445/roles-of-probiotic-lactobacilli-inclusion-in-helping-piglets-establish-healthy-intestinal-inter-environment-for-pathogen-defense
#8
REVIEW
Jiajun Yang, Kun Qian, Chonglong Wang, Yijing Wu
The gastrointestinal tract of pigs is densely populated with microorganisms that closely interact with the host and with ingested feed. Gut microbiota benefits the host by providing nutrients from dietary substrates and modulating the development and function of the digestive and immune systems. An optimized gastrointestinal microbiome is crucial for pigs' health, and establishment of the microbiome in piglets is especially important for growth and disease resistance. However, the microbiome in the gastrointestinal tract of piglets is immature and easily influenced by the environment...
March 30, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28353646/intraguild-predation-dynamics-in-a-lake-ecosystem-based-on-a-coupled-hydrodynamic-ecological-model-the-example-of-lake-kinneret-israel
#9
Vardit Makler-Pick, Matthew R Hipsey, Tamar Zohary, Yohay Carmel, Gideon Gal
The food web of Lake Kinneret contains intraguild predation (IGP). Predatory invertebrates and planktivorous fish both feed on herbivorous zooplankton, while the planktivorous fish also feed on the predatory invertebrates. In this study, a complex mechanistic hydrodynamic-ecological model, coupled to a bioenergetics-based fish population model (DYCD-FISH), was employed with the aim of revealing IGP dynamics. The results indicate that the predation pressure of predatory zooplankton on herbivorous zooplankton varies widely, depending on the season...
March 29, 2017: Biology
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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)
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