Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Review of arrival and lairage management at pig slaughterhouses (version 1.0)
    Holmes, Rebecca ; Gerritzen, M.A. ; Herskin, M.S. ; Schwarzlose, Inga ; Ruis, M.A.W. - \ 2020
    EURCAW-Pigs - 30 p.
    pigs - animal welfare - slaughter - killing of animals - sows - boars - meat animals - finishing - handling - handling - animal nutrition - transport - animal health - animal behaviour - animal production - animal housing
    Review of climate control and space allowance during transport of pigs (version 1.0)
    Bracke, M.B.M. ; Herskin, M.S. ; Marahrens, M.A. ; Gerritzen, M.A. ; Spoolder, H.A.M. - \ 2020
    EURCAW-Pigs - 34 p.
    pigs - animal welfare - transport of animals - climate - space - meat animals - finishing - animal production - animal health - transport - animal behaviour - occupation
    History of tourism before industrialisation | WURcast
    Pellis, A. - \ 2019
    Wageningen : Wageningen University & Research
    tourism - history - roman empire - transport - travellers - ancient world
    Where did you go on holiday this year? Tourism had become a part of our lives. But this hasn't always been the case. In this video you will learn the early history of tourism until the industrial revolution.
    Aspergillus niger citrate exporter revealed by comparison of two alternative citrate producing conditions
    Odoni, Dorett I. ; Vazquez-Vilar, Marta ; Gaal, Merlijn P. van; Schonewille, Tom ; Martins Dos Santos, Vitor A.P. ; Tamayo-Ramos, Juan Antonio ; Suarez-Diez, Maria ; Schaap, Peter J. - \ 2019
    FEMS Microbiology Letters 366 (2019)7. - ISSN 0378-1097
    Aspergillus niger - citrate - homology - MDR - transcriptomics - transport

    Currently, there is no consensus regarding the mechanism underlying Aspergillus niger citrate biosynthesis and secretion. We hypothesise that depending on the experimental setup, extracellular citrate accumulation can have fundamentally different underlying transcriptomic landscapes. We show that varying the amount and type of supplement of an arginine auxotrophic A. niger strain results in transcriptional down-regulation of citrate metabolising enzymes in the condition in which more citrate is accumulated extracellularly. This contrasts with the transcriptional adaptations when increased citrate production is triggered by iron limitation. By combining gene expression data obtained from these two very distinct experimental setups with hidden Markov models and transporter homology approaches, we were able to compile a shortlist of the most likely citrate transporter candidates. Two candidates (An17g01710 and An09g06720m.01) were heterologously expressed in the yeast Saccharomyces cerevisiae, and one of the resultant mutants showed the ability to secrete citrate. Our findings provide steps in untangling the complex interplay of different mechanisms underlying A. niger citrate accumulation, and we demonstrate how a comparative transcriptomics approach complemented with further bioinformatics analyses can be used to pinpoint a fungal citrate exporter.

    Welzijn vleeskuikens onder de loep
    Jong, I.C. de - \ 2018
    Wageningen : Wageningen Livestock Research - 2 p.
    animal welfare - animal production - poultry - broilers - animal behaviour - animal health - animal nutrition - animal housing - transport - slaughter - capture of animals
    Innovatieve vleeskuikenproductieketen
    Jong, I.C. de - \ 2018
    Wageningen : Wageningen Livestock Research - 2 p.
    animal welfare - animal production - poultry - broilers - animal behaviour - animal health - animal nutrition - animal housing - capture of animals - transport - slaughter
    Effects of early nutrition and transport of 1-day-old chickens on production performance and fear response
    Hollemans, M.S. ; Vries, S. de; Lammers, A. ; Clouard, C.M. - \ 2018
    Poultry Science 97 (2018)7. - ISSN 0032-5791 - p. 2534 - 2542.
    broiler - chicken - early nutrition - transport - behavior - production performance
    The importance of optimal early life conditions of broilers to sustain efficient and healthy production of broiler meat is increasingly recognized. Therefore, novel husbandry systems are developed, in which immediate provision of nutrition post hatch is combined with on-farm hatching. In these novel systems, 1-day-old-chick handling and transport are minimized. To study whether early nutrition and reduced transport are beneficial for broiler performance and behavior, the effects of early or delayed nutrition and post-hatch handling and transport were tested from hatch until 35 d of age, in a 2 × 2 factorial arrangement. In total, 960 eggs were hatched in 36 floor pens. After hatch, chicks were given immediate access to water and feed (early nutrition) or after 54 h (delayed nutrition). Eighteen hours after hatch, chicks remained in their pens (non-transported control), or were subjected to short-term handling and transport to simulate conventional procedures. Subsequently, chicks returned to their pens. Compared with delayed-fed chickens, early-fed chickens had greater body weight up to 21 d of age, but not at slaughter (35 d of age). No effects of transport or its interaction with moment of first nutrition were found on performance. At 3 d post hatch, transported, early-fed chicks had a greater latency to stand up in a tonic immobility test than transported, delayed-fed chicks, but only in chicks that were transported. At 30 d post hatch, however, latency was greater in transported, delayed-fed chickens than in transported, early-fed chicks. This may indicate long-term deleterious effects of delayed nutrition on fear response in transported chickens. It is concluded that early nutrition has mainly beneficial effects on performance during the first 2 wk post hatch, but these beneficial effects are less evident in later life. The combination of transport and early nutrition may influence the chicken's strategies to cope with stressful events in early and later life.
    Postharvest Technology in Tomatoes
    Westra, Eelke - \ 2018
    postharvest - tomatoes - quality - colour - taste - prediction - vegetables - transport - logistics - postharvest - tomatoes - quality - taste - colour - prediction - vegetables - transport - logistics
    Adding value to end of lay hens: improving welfare, sustainability and credibility
    Weeks, C.A. ; Elson, H.A. ; Jozefova, J. ; Neijenhuis, F. ; Yngvesson, J. ; Voslarova, E. - \ 2017
    In: Book of Abstracts Xth Symposium on Poultry Welfare. - World's Poultry Science Association (WPSA) - p. 167 - 168.
    Hens - transport - handling - networking - end of lay - welfare
    Assessing the case for sequential cropping to produce low ILUC risk biomethane : final report
    Peters, Daan ; Zabeti, Masoud ; Kühner, Ann-Kathri ; Spöttle, Matthias ; Werf, Wopke van der; Stomph, Jan - \ 2016
    Utrecht : ECOFYS Netherlands - 39
    methane - biofuels - sequential cropping - farmers' associations - biogas - ancillary enterprises - farm management - agricultural energy production - transport - biobased economy - fuel crops - biomass production - methaan - biobrandstoffen - estafetteteelt - boerenorganisaties - biogas - nevenactiviteiten - agrarische bedrijfsvoering - energieproductie in de landbouw - transport - biobased economy - brandstofgewassen - biomassa productie
    In recent years and especially since the COP - 21 climate agreement reached in Paris last year, efforts to mitigate climate change accelerate. All sectors need to contribute in order to achieve the well below 2 degree climate target. The agricultural sector is relevant for climate change in various ways. Like the agricultural sector, the transport sector is also responsible for significant greenhouse gas emissions. Advanced biofuels and biogas produced from wastes and residues can play an increasingly important role in the transport mix. In Italy, 600 Italian farmers are organised in the Italian Biogas Council (Consorzio Italiano Biogas e Gassificazione, CIB). Some years ago, CIB members developed a concept that they coined Biogasdoneright. In collaboration with various research institutes they seeked for a way to combine biogas feedstock production with crop production for food and feed as a way to generate additional income in a sustainable manner. The core of the Biogasdoneright concept is that farmers apply sequential cropping by growing a winter cover crop on land that was previously fallow during winter time, while maintaining the main crop production during summer time as previously. Multiple claims can be made about Biogasdoneright, for example related to the large potential role for biogas in our future energy system. This project focussed on the most relevant claims related to the use of biomethane in transport, with a focus on sustainability aspects.
    Monitoring van het helingsproces van de navelstrengen van geitenlammeren
    Verkaik, Jan ; Dixhoorn, Ingrid van; Gunnink, Henk ; Hattum, Theo van; Ouweltjes, Wijbrand - \ 2016
    Wageningen : Wageningen Livestock Research (Livestock Research rapport 992) - 21
    dierenwelzijn - dierlijke productie - geiten - diergezondheid - transport - animal welfare - animal production - goats - animal health - transport
    Spoor naar China wacht op exporteurs
    Zhang, Xiaoyong - \ 2016
    long distance transport - transport - exports - agricultural products - china - rail transport - logistics

    Zonde, al die treinen die vanuit Europa halfleeg terugkeren naar China, dacht Xiaoyong Zhang van Wageningen UR. China vormt namelijk een grote afzetmarkt voor Nederlandse zuivelproducten, groente, fruit en bloemen. Vervoer over de Nieuwe Zijderoute is sneller dan over zee en goedkoper dan door de lucht.

    National Agrologistics Program : report 2: Diagnosis
    Ravensbergen, P. ; Langelaan, H.C. - \ 2015
    Wageningen UR - Food & Biobased Research - 64
    logistics - agroindustrial sector - infrastructure - transport - cold storage - supply chain management - mexico - logistiek - agro-industriële sector - infrastructuur - transport - koudeopslag - ketenmanagement - mexico
    Programa Nacional de Agrologística : informe 2: Diagnóstico
    Ravensbergen, P. ; Langelaan, H.C. - \ 2015
    Wageningen UR - Food & Biobased Research - 64
    logistics - agroindustrial sector - infrastructure - transport - cold storage - supply chain management - mexico - logistiek - agro-industriële sector - infrastructuur - transport - koudeopslag - ketenmanagement - mexico
    Agrofood-trein naar China
    Guiking, K. ; Zhang XiaoYong, Xiaoyong - \ 2015
    Resource: weekblad voor Wageningen UR 10 (2015)6. - ISSN 1874-3625 - p. 4 - 4.
    china - voedingsmiddelen - bloemen - transport - railtransport - agro-industriële sector - nederland - china - foods - flowers - transport - rail transport - agroindustrial sector - netherlands
    Transport van voedingsmiddelen en bloemen van Nederland naar China kan goed via het spoor, zegt LEI-onderzoeker Xiaoyong Zhang. Ze presenteerde haar bevindingen op 28 oktober aan een handelsdelegatie in China, met toehoorders als de Rotterdamse burgemeester Ahmed Aboutaleb en koning Willem-Alexander.
    Reporters for sensitive and quantitative measurement of auxin response
    Liao, C.Y. ; Smet, W.M.S. ; Brunoud, G. ; Yoshida, S. ; Vernoux, T. ; Weijers, D. - \ 2015
    Nature Methods : techniques for life scientists and chemists 12 (2015). - ISSN 1548-7091 - p. 207 - 210.
    apical-basal axis - box protein tir1 - aux/iaa proteins - arabidopsis - transcription - expression - transport - specificity - sufficient - perception
    The visualization of hormonal signaling input and output is key to understanding how multicellular development is regulated. The plant signaling molecule auxin triggers many growth and developmental responses, but current tools lack the sensitivity or precision to visualize these. We developed a set of fluorescent reporters that allow sensitive and semiquantitative readout of auxin responses at cellular resolution in Arabidopsis thaliana. These generic tools are suitable for any transformable plant species.
    Front spreading with nonlinear sorption for oscillating flow
    Cirkel, D.G. ; Zee, S.E.A.T.M. van der; Meeussen, J.C.L. - \ 2015
    Water Resources Research 51 (2015)4. - ISSN 0043-1397 - p. 2986 - 2993.
    thermal-energy storage - porous mediums - transport - groundwater - solute - propagation
    In this paper, we consider dispersive and chromatographic mixing at an interface, under alternating flow conditions. In case of a nonreactive or linearly sorbing solute, mixing is in complete analogy with classical dispersion theory. For nonlinear exchange, however, oscillating convective flow leads to an alternation of sharpening (Traveling Wave TW) and spreading (Rarefaction Wave RW). As the limiting TW form is not necessarily accomplished at the end of the TW half cycle, the oscillating fronts show gradual continuous spreading that converges to a zero-convection nonlinear pure diffusion spreading, which is mathematically of quite different nature. This behavior is maintained in case the total (background) concentration differs at both sides of the initial exchange front.
    Sugar as a key component of the shoot branching regulation network
    Evers, J.B. - \ 2015
    Plant, Cell & Environment 38 (2015)8. - ISSN 0140-7791 - p. 1455 - 1456.
    red ratio - auxin - transport - wheat
    Commentary on kebrom and mullet ‘photosynthetic leaf area modulates tiller bud outgrowth in sorghum’
    Exergetic comparison of food waste valorization in industrial bread production
    Zisopoulos, F.K. ; Moejes, S.N. ; Rossier Miranda, F.J. ; Goot, A.J. van der; Boom, R.M. - \ 2015
    Energy 82 (2015). - ISSN 0360-5442 - p. 640 - 649.
    sustainability assessment - energy - consumption - transport - dryer
    This study compares the thermodynamic performance of three industrial bread production chains: one that generates food waste, one that avoids food waste generation, and one that reworks food waste to produce new bread. The chemical exergy flows were found to be much larger than the physical exergy consumed in all the industrial bread chains studied. The par-baked brown bun production chain had the best thermodynamic performance because of the highest rational exergetic efficiency (71.2%), the lowest specific exergy losses (5.4 MJ/kg brown bun), and the almost lowest cumulative exergy losses (4768 MJ/1000 kg of dough processed). However, recycling of bread waste is also exergetically efficient when the total fermented surplus is utilizable. Clearly, preventing material losses (i.e. utilizing raw materials maximally) improves the exergetic efficiency of industrial bread chains. In addition, most of the physical (non-material related) exergy losses occurred at the baking, cooling and freezing steps. Consequently, any additional improvement in industrial bread production should focus on the design of thermodynamically efficient baking and cooling processes, and on the use of technologies throughout the chain that consume the lowest possible physical exergy.
    A Quantitative and Dynamic Model of the Arabidopsis Flowering Time Gene Regulatory Network
    Valentim, F.L. ; Mourik, S. van; Posé, D. ; Kim, M.C. ; Schmid, M. ; Ham, R.C.H.J. van; Busscher, M. ; Sanchez Perez, G.F. ; Molenaar, J. ; Angenent, G.C. ; Immink, R.G.H. ; Dijk, A.D.J. van - \ 2015
    PLoS ONE 10 (2015)2. - ISSN 1932-6203
    floral transition - feedback loops - ft protein - expression - induction - transport - thaliana - signals - leafy - soc1
    Various environmental signals integrate into a network of floral regulatory genes leading to the final decision on when to flower. Although a wealth of qualitative knowledge is available on how flowering time genes regulate each other, only a few studies incorporated this knowledge into predictive models. Such models are invaluable as they enable to investigate how various types of inputs are combined to give a quantitative readout. To investigate the effect of gene expression disturbances on flowering time, we developed a dynamic model for the regulation of flowering time in Arabidopsis thaliana. Model parameters were estimated based on expression time-courses for relevant genes, and a consistent set of flowering times for plants of various genetic backgrounds. Validation was performed by predicting changes in expression level in mutant backgrounds and comparing these predictions with independent expression data, and by comparison of predicted and experimental flowering times for several double mutants. Remarkably, the model predicts that a disturbance in a particular gene has not necessarily the largest impact on directly connected genes. For example, the model predicts that SUPPRESSOR OF OVEREXPRESSION OF CONSTANS (SOC1) mutation has a larger impact on APETALA1 (AP1), which is not directly regulated by SOC1, compared to its effect on LEAFY (LFY) which is under direct control of SOC1. This was confirmed by expression data. Another model prediction involves the importance of cooperativity in the regulation of APETALA1 (AP1) by LFY, a prediction supported by experimental evidence. Concluding, our model for flowering time gene regulation enables to address how different quantitative inputs are combined into one quantitative output, flowering time.
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