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 insect pathogen risks for the black soldier fly (Hermetia illucens) and guidelines for reliable production
    Joosten, Lotte ; Lecocq, Antoine ; Jensen, Annette Bruun ; Haenen, Olga ; Schmitt, Eric ; Eilenberg, Jørgen - \ 2020
    Entomologia Experimentalis et Applicata 168 (2020)6-7. - ISSN 0013-8703 - p. 432 - 447.
    bacteria - biocontrol agents - black soldier fly - Diptera - entomopathogens - epidemiology - feed and food - fungi - guidelines - Hermetia illuscens - immune system - protozoa - Stratiomyidae - viruses

    Black soldier fly [BSF; Hermetia illucens L. (Diptera: Stratiomyidae)] larvae are very effective in transforming low-grade food waste into valuable high-end proteins and fat, in intensive production facilities. The production output of this species is growing quickly, but upscaling brings risks to the health status of the reared insects. Until now, not a single major case of disease outbreak caused by a pathogen in a BSF production unit has been reported. This contrasts with data on other species of mass-produced insects, which have experienced various disease outbreaks, indicating that BSFs are comparatively resistant to insect diseases. Further, there are no records of natural infections caused by entomopathogens in BSF. In this review, the known entomopathogens of Diptera, especially BSF, and their potential risks for causing disease in these insects are summarized.

    Richtlijn koelketen Chrysant : op basis van onderzoek binnen project GreenCHAINge
    Wissink, Edo ; Mensink, Manon ; Hogeveen-van Echtelt, Esther - \ 2017
    Wageningen : Wageningen Food & Biobased Research (Wageningen Food & Biobased Research rapport 1704) - ISBN 9789463430630 - 7
    chrysanten - ketenmanagement - koeling - richtlijnen (guidelines) - chrysanthemums - supply chain management - chilling - guidelines
    10 recommendations for stimulating bio-based builing materials
    Mey, V. De; Verhoeven, J.T.W. ; Thoelen, P. ; Dam, J.E.G. van; Meyskens, S. ; Schik, W. - \ 2016
    [Belgium] : Grow2Build - 17
    building materials - flax - hemp - biobased materials - biobased economy - stimulation - guidelines - northwestern europe - bouwmaterialen - vlas - hennep - materialen uit biologische grondstoffen - biobased economy - stimulatie - richtlijnen (guidelines) - noordwest-europa
    The objective of the Northwest European project Grow2build is to support the supply chain of flax and hemp building materials from production of raw material to the production and implementation of end products. Up until now, 11 organisations from Belgium, France, the UK, Germany and the Netherlands have formed a consortium with a wealth of expertise in construction and bio-based building materials. The consortium aims to contribute to the integration of bio-based materials eg. hemp and flax in the construction industry and to improve the product value chain. This note “10 recommendations for stimulating biobased building materials (based on hemp and flax)” is one of the instruments to reach the aim.
    Guidelines for experimental practice in organic greenhouse horticulture
    Koller, Martin ; Rayns, Francis ; Cubison, Stella ; Schmutz, U. ; Messelink, G.J. ; Voogt, W. - \ 2016
    [Netherlands] : BioGreenhouse - ISBN 9789462575349 - 154
    greenhouse horticulture - organic farming - guidelines - protected cultivation - greenhouse crops - cultural methods - greenhouse vegetables - trials - glastuinbouw - biologische landbouw - richtlijnen (guidelines) - teelt onder bescherming - kasgewassen - cultuurmethoden - glasgroenten - proeven
    The aim of this handbook of experimental guidelines is to help conduct experiments for organic horticulture in greenhouses throughout Europe. It considers vegetables, fruit and ornamental production. Using standardised research procedures for experiments will aid a comparison of results and dissemination of knowledge. The editors have tried to incorporate as many climatic zones, countries and crops as possible in order to represent a wide area of Europe although some smaller crops or certain specific climates could not be included.
    National Agrologistics Program : report 3: Strategy
    Ravensbergen, P. ; Langelaan, H.C. - \ 2015
    Wageningen UR - Food & Biobased Research - 82
    logistics - agroindustrial sector - supply chain management - management science - performance - guidelines - mexico - logistiek - agro-industriële sector - ketenmanagement - bedrijfswetenschap - prestatieniveau - richtlijnen (guidelines) - mexico
    Programa Nacional de Agrologística : informe 3: Estrategia
    Ravensbergen, P. ; Langelaan, H.C. - \ 2015
    Wageningen UR - Food & Biobased Research - 64
    logistics - agroindustrial sector - supply chain management - management science - performance - guidelines - mexico - logistiek - agro-industriële sector - ketenmanagement - bedrijfswetenschap - prestatieniveau - richtlijnen (guidelines) - mexico
    Management bedding : vrijloopstal met composterende bedding van houtsnippers
    Boer, H.C. de; Wiersma, M. ; Galama, P.J. ; Szanto, G.L. - \ 2015
    V-focus 12 (2015)4. - ISSN 1574-1575 - p. 31 - 33.
    melkveehouderij - huisvesting van koeien - loopstallen - houtspaanders - compostering - dierlijke meststoffen - strooisel - agrarische bedrijfsvoering - richtlijnen (guidelines) - arbeid (werk) - bewerking - dierenwelzijn - dairy farming - cow housing - loose housing - wood chips - composting - animal manures - litter (plant) - farm management - guidelines - labour - handling - animal welfare
    In de vrijloopstal liggen de koeien meestal op een organische bedding en scheiden daar mest (feces en urine) uit. Om de bedding voldoende droog en schoon te houden wordt er regelmatig nieuw strooisel aangevoerd en wordt de toplaag bewerkt. Op basis van onderzoek- en praktijkervaringen tot nu toe kunnen een aantal richtlijnen gegeven worden om dit type beddingmanagement succesvol uit te voeren. Naast de praktische bruikbaarheid van de richtlijnen geeft een uitwerking daarvan ook een idee van wat er komt kijken bij het managen van een bedding in de vrijloopstal.
    Vangstadviezen van ICES voor 2016 in de Noordzee
    Miller, David - \ 2015
    fish catches - north sea - fishery resources - guidelines - fishery management
    Routekaart biodiversiteit : aanbevelingen voor de aanpak van biodiversiteit binnen de zuivelketen
    Zijlstra, J. ; Poelarends, J.J. ; Migchels, G. ; Alebeek, F.A.N. van - \ 2015
    Wageningen : Wageningen UR Livestock Research (Livestock research rapport 820) - 58
    biodiversiteit - melkveehouderij - zuivelindustrie - duurzaamheid (sustainability) - nederland - richtlijnen (guidelines) - biodiversity - dairy farming - dairy industry - sustainability - netherlands - guidelines
    The Dutch dairy sector is working on improving sustainability. Improving biodiversity is a part of this effort. This report describes the results of research focused on how dairy farms can contribute to biodiversity, the attitude of farmers towards sustainability targets and opportunities to work on future biodiversity goals. The final results in the report are recommendations for the Dutch dairy chain partners to come to a biodiversity implementation plan for dairy farms. The recommendations are focused on designing a farm oriented system to work on biodiversity, on increasing the knowledge about the soil-plant-system-approach and to work on a targeted communication strategy on biodiversity.
    Meeliften als auteur
    Kleis, R. ; Vijver, C.A.D.M. van de; Koelmans, A.A. ; Candel, J.J.L. ; Weijers, D. ; Visser, R.G.F. ; Arendonk, J.A.M. van - \ 2015
    Resource: nieuwssite voor studenten en medewerkers van Wageningen UR 9 (2015)13. - ISSN 1389-7756 - p. 18 - 21.
    publiceren - auteurs - onderzoekers - richtlijnen (guidelines) - publishing - authors - research workers - guidelines
    Het is een van de grootste ergernissen van promovendi: co-auteurs die meeliften op jouw artikel. Collega’s, begeleiders of promotoren die weinig hebben bijgedragen, maar toch een graantje meepikken. Kan dat zomaar? Een taai en lastig probleem.
    Impact of mitotic activity on the pathological substaging of pT1 cutaneous melanoma
    Waal, A.C. de; Harten-Gerritsen, A.S. van; Aben, K.K.H. ; Kiemeney, L.A.L.M. ; Rossum, M.M. van; Blokx, W.A.M. - \ 2014
    British journal of dermatology 170 (2014)4. - ISSN 0007-0963 - p. 874 - 877.
    lymph-node biopsy - thin melanoma - sentinel - positivity - guidelines - diagnosis
    Background In the transition from the sixth to the seventh edition of the American Joint Committee on Cancer (AJCC) melanoma staging system, mitotic activity was incorporated, while Clark level of invasion was abandoned. Objectives To investigate the effect of this change on the pathological tumour (pT) 1 substaging of primary cutaneous melanomas and the possible clinical implications. Methods Patients with pT1 melanomas, diagnosed in the period January 2003 to March 2011, were selected from a population-based cohort study on cutaneous melanoma in the eastern part of the Netherlands. The pT1 melanomas were systematically reviewed by an expert pathologist and classified according to both the sixth and the seventh editions of the AJCC staging system. The shift of melanomas between pT1 substages, classified according to the two staging systems, was determined. Results In total, 260 pT1 melanomas were included. Overall 28% (57/207) of all pT1a melanomas shifted to pT1b when classified according to the new seventh staging classification, because of the presence of mitoses. Some 32% (17/53) of all pT1b melanomas shifted to pT1a. The percentage of pT1b melanomas relative to all pT1 melanomas increased from 20% to 36%. Conclusions The addition of mitotic activity to the pathological staging system, according to the seventh edition of the AJCC staging system, resulted in a considerable change in the classification of thin cutaneous melanomas. This shift has clear clinical implications, as it is advised in the Dutch guideline that patients with pT1b melanoma should be offered a sentinel lymph node biopsy.
    Handboek melkveehouderij 2014
    Remmelink, G.J. ; Dooren, H.J.C. van; Middelkoop, J.C. van; Ouweltjes, W. ; Wemmenhove, H. - \ 2014
    Wageningen : Wageningen UR Livestock Research (Handboek / Wageningen UR Livestock Research 29) - 385
    melkveehouderij - richtlijnen (guidelines) - naslagwerken - bemesting - graslandbeheer - ruwvoer (forage) - veevoeding - dierveredeling - gezondheid - melkproductie - landbouwbedrijfsgebouwen - bodemwater - agrarisch natuurbeheer - dairy farming - guidelines - reference works - fertilizer application - grassland management - forage - livestock feeding - animal breeding - health - milk production - farm buildings - soil water - agri-environment schemes
    Het Handboek Melkveehouderij is hét naslagwerk voor melkveehouder, agrarisch adviseur, docent en student. De opgenomen informatie is bruikbaar voor de ondersteuning van het dagelijks management én voor het management op de lange termijn.
    Efficacy and production of disinfection by-products of ozone treated ballast water
    Sneekes, A.C. - \ 2014
    Den Helder : IMARES (Report / IMARES Wageningen UR C156/14) - 51
    waterballast - desinfecteren - waterkwaliteit - mariene gebieden - richtlijnen (guidelines) - water ballasting - disinfestation - water quality - marine areas - guidelines
    AirTree is preparing for land-based testing at the NIOZ/IMARES test facility. As the Ballast Water Management System (BWMS) developed by AirTree uses ozone as active substance, IMO Guideline G9 applies and Basic and Final Approval are also required. In preparing the Basic Approval dossier, it appeared that too little is known about the development of disinfection by-products (DBP) during the treatment process.
    Seed governance. From seed aid to seed system security in fragile areas
    Rietberg, P.I. ; Gevers, H. ; Hospes, O. - \ 2014
    The Hague : Cordaid - 45
    zaaizaadindustrie - zaadproductie - ontwikkelingssamenwerking - streekgebonden producten - voedselveiligheid - kleine landbouwbedrijven - regelingen - richtlijnen (guidelines) - seed industry - seed production - development cooperation - regional specialty products - food safety - small farms - regulations - guidelines
    Intergovernmental agencies and development organizations, including Cordaid, consider interventions directed at seed security of utmost importance to support smallholders recovering from conflict situations and disasters, and to contribute to revitalisation of local agricultural production and food security. There is, however, considerable debate about the most appropriate type and strategic level of intervention to enhance smallholders’ seed security in conflict and post-conflict areas. Given the co-existence of different types of interventions and agencies directed at providing seed security, the governance of seed security has become very relevant, questioning what collaborative arrangements between government, business and civil society can help to effectively address seed insecurity. Donors and development practitioners often prefer certified or improved seed to seed from the informal sector. However, farmers’ evaluation criteria can differ from criteria developed by breeders or those setting seed certification standards, and the agro-ecological conditions under which varieties are selected may differ from those on-farm, thus affecting crop performance.
    Pesticide risk production pogramme : feasibility study of the proposed pesticide registration and post-registration processes
    Bremmer, J. ; Dhuga Chaka, K. ; Dijkxhoorn, Y. ; Mammo, B. - \ 2014
    Den Haag : LEI Wageningen UR (Memorandum / LEI 14-109) - 41
    gewasbescherming - chemische bestrijding - milieueffect - ethiopië - residuen - richtlijnen (guidelines) - haalbaarheidsstudies - registratie - tuinbouwgewassen - risicoanalyse - volksgezondheid - pesticiden - plant protection - chemical control - environmental impact - ethiopia - residues - guidelines - feasibility studies - registration - horticultural crops - risk analysis - public health - pesticides
    Report on developing guidelines and procedures for the pesticide registration in Ethiopia in a scientifically underpinned way and as specific as possible for Ethiopian conditions. It covers the aspects of efficacy assessment, human health risk assessment as well as environmental risk assessment. It aims to develop the capacity at the APHRD to apply these guidelines and procedures. The Work package will result in an evaluation manual plus software tool for the Animal and Plant Health Regulatory Directorate (APHRD) of the Ministry of Agriculture of Ethiopia. The user-friendly software tool operationalises the guidelines and procedures for human health risk assessment and environmental risk assessment; all basic pesticide data can be entered in it and these will be used for the risk estimates.
    The effect of fibers on coagulation of casein-based enteral nutrition in an artificial gastric digestion model
    Luttikhold, J. ; Norren, K. van; Minor, M. ; Buijs, N. ; Braak, C.C.M. van den; Ludwig, T. ; Abrahamse, E. ; Rijna, H. ; Leeuwen, P.A.M. - \ 2014
    Food & Function 5 (2014). - ISSN 2042-6496 - p. 1866 - 1871.
    critically-ill patients - thermodynamic incompatibility - intestinal-obstruction - in-vitro - motility - proteins - absorption - guidelines - mixtures - feedings
    A serious complication seen in critically ill patients is the solidification of enteral nutrition causing gastrointestinal obstruction. It has been suggested that enteral nutrition enriched with insoluble fibers may increase the risk of this complication. Therefore, we investigate the effect of soluble and insoluble dietary fibers on the coagulation of a casein-based enteral nutrition in an artificial gastric digestion model. A 100% casein-based enteral nutrition was enriched with increasing concentrations of soluble fibers (acacia fiber, oligofructose and inulin) and insoluble fibers (soy polysaccharide, resistant starch and alpha cellulose). After digestion in an artificial gastric model, the chyme was poured over sequentially placed sieves, separating the coagulate into size fractions of larger than 2 mm, between 1 and 2 mm, and between 0.25 and 1 mm. Of these fractions we measured wet weight, dry weight and protein content. A significant effect on the fraction larger than 2 mm was considered to be clinically relevant. Addition of high concentrations soy polysaccharide and resistant starch to a casein-based enteral nutrition, did not alter the wet weight, whereas dry weight and protein content of the coagulate was significantly reduced. When high concentrations of soy polysaccharide and resistant starch are added to a 100% casein-based enteral nutrition, the coagulate consist of more water and less proteins, which may lead to an increased protein digestion and absorption in a clinical setting. The suggestion that insoluble fibers increase the risk of gastrointestinal obstruction in critically ill patients is not supported by these data.
    EFSA-advies voor beter welzijn varkens
    Spoolder, H.A.M. ; Bracke, M.B.M. ; Rotgers, G. - \ 2014
    V-focus 11 (2014)4. - ISSN 1574-1575 - p. 34 - 35.
    varkenshouderij - dierenwelzijn - staartbijten - diergedrag - speelgoed - richtlijnen (guidelines) - dierziektepreventie - dierlijke productie - diergezondheid - varkens - pig farming - animal welfare - tail biting - animal behaviour - toys - guidelines - animal disease prevention - animal production - animal health - pigs
    Europa wil af van het preventief couperen van staarten bij varkens, maar hoe voorkom je welzijnsproblemen door staartbijten? En hoe zit het met het afleidingsmateriaal? Welke materialen leveren een positieve bijdrage aan het dierenwelzijn? De Europese voedselveiligheidsautoriteit EFSA bracht onlangs advies uit over beide kwesties aan de Europese Commissie.
    Onderzoek naar de effectiviteit van ontsmettingsapparatuur en -middelen
    Stijger, I. ; Os, E.A. van; Marrewijk, D. van; Klein, M. - \ 2014
    Bleiswijk : Wageningen UR Glastuinbouw/DLV Plant (Rapport / Wageningen UR Glastuinbouw 1316) - 34
    sierplanten - vollegrondsteelt - drainagewater - desinfectie - uv-lampen - behandeling - richtlijnen (guidelines) - landbouwkundig onderzoek - ornamental plants - outdoor cropping - drainage water - disinfection - uv lamps - treatment - guidelines - agricultural research
    In teelten die los van de ondergrond op verschillende substraten worden geteeld, wordt het drainwater gerecirculeerd. In het recirculatiewater kunnen diverse pathogenen (ziekteverwekkers) zoals schimmels, bacteriën en virussen voorkomen. Daarom wordt op veel bedrijven het drainwater ontsmet en dit kan op verschillende manieren worden gedaan met ontsmettingsapparatuur en ontsmettingsmiddelen. Bij de teelt in de vollegrond vindt nu nog geen of nauwelijks recirculatie van drainagewater plaats. De samenstelling van drainagewater verschilt aanzienlijk van drainwater. Daardoor is de ontsmettingsmethodiek niet per definitie gelijk. Zo kunnen organische stof en ijzerdeeltjes de transmissie sterk omlaag brengen. Dit kan tot gevolg hebben dat bijvoorbeeld een UV-ontsmetting onvoldoende werkt. Drainagewater behoeft daarom soms een voorbehandeling voordat het met een standaard ontsmettingsmethode behandeld kan worden. Voor drainagewater worden op basis van analyses en interviews aanbevelingen gedaan voor verbetering om tot een goede ontsmetting van drainagewater te komen.
    Glycated hemoglobin measurement and prediction of cardiovascular disease
    Angelantonio, E. Di; Gao, P. ; Khan, H. ; Feskens, E.J.M. - \ 2014
    JAMA: The Journal of the American Medical Association 311 (2014)12. - ISSN 0098-7484 - p. 1225 - 1233.
    statistical-methods - diabetes-mellitus - risk score - task-force - glucose - guidelines - metaanalysis - mortality - adults
    (For a complete list of authors see The Emerging Risk Factors Collaboration in the Article Information) Importance The value of measuring levels of glycated hemoglobin (HbA1c) for the prediction of first cardiovascular events is uncertain. Objective To determine whether adding information on HbA1c values to conventional cardiovascular risk factors is associated with improvement in prediction of cardiovascular disease (CVD) risk. Design, Setting, and Participants Analysis of individual-participant data available from 73 prospective studies involving 294¿998 participants without a known history of diabetes mellitus or CVD at the baseline assessment. Main Outcomes and Measures Measures of risk discrimination for CVD outcomes (eg, C-index) and reclassification (eg, net reclassification improvement) of participants across predicted 10-year risk categories of low (
    Open innovation in the Food Industry: An Evidence Based Guide
    Omta, S.W.F. ; Fortuin, F.T.J.M. ; Dijkman, N.C. - \ 2014
    Wageningen : Food Valley (1 1) - ISBN 9789082221206
    innovaties - voedselindustrie - firma's - netwerken - economische samenwerking - kleine bedrijven - bedrijven - europa - europese unie - richtlijnen (guidelines) - bedrijfsmanagement - innovations - food industry - firms - networks - economic cooperation - small businesses - businesses - europe - european union - guidelines - business management
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