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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    Verkenning regionale kringlopen : sluiten van nutriëntenkringloop op het niveau van Noordwest-Europa
    Leenstra, Ferry ; Vellinga, Theun - \ 2017
    Wageningen : Wageningen Livestock Research (Wageningen Livestock Research rapport 987) - 34
    voer - voedingsstoffen - dierlijke producten - kringlopen - dierhouderij - dierlijke meststoffen - noord-brabant - noordwest-europa - feeds - nutrients - animal products - cycling - animal husbandry - animal manures - noord-brabant - northwestern europe
    Effect van voersamenstelling op bijtgedrag bij varkens
    Peet-Schwering, Carola van der; Dirx, Nienke ; Kluivers-Poodt, Marion ; Binnendijk, Gisabeth ; Bolhuis, Liesbeth ; Peet, Geert van der - \ 2017
    Wageningen : Wageningen Livestock Research (Wageningen Livestock Research rapport 1008) - 62
    dierenwelzijn - dierlijke producten - varkens - diergedrag - diervoeding - staartbijten - animal welfare - animal products - pigs - animal behaviour - animal nutrition - tail biting
    Op Varkens Innovatie Centrum Sterksel is onderzocht of bijtgedrag (staart-, oor- en flankbijten) en staart- en oorschade bij dieren met intacte (niet gecoupeerde) staarten verminderd kunnen worden door de dieren vanaf enkele dagen na geboorte tot afleveren naar het slachthuis voer met extra vezels (verzadigend voer) en/of voer met extra aminozuren (tryptofaan, threonine en methionine) te geven. De resultaten van het onderzoek zijn beschreven in dit rapport.
    Livestock, the World, and the Dutch : part II: background country studies : final draft for discussion
    Hooft, K. van 't - \ 2013
    Lelystad : Wageningen UR Livestock Research (Report / Wageningen UR Livestock Research 696) - 63 p.
    veehouderij - dierlijke productie - dierlijke producten - melkveehouderij - pluimveehouderij - varkenshouderij - rusland - china - republiek korea - vietnam - indonesië - turkije - ethiopië - kenya - mexico - nederland - livestock farming - animal production - animal products - dairy farming - poultry farming - pig farming - russia - china - korea republic - vietnam - indonesia - turkey - ethiopia - kenya - mexico - netherlands
    This report presents the background country studies for the report Livestock, the World, and the Dutch. A quick scan of opportunities in livestock production in nine countries.
    Livestock, the World, and the Dutch : a quick scan of opportunities in livestock production in nine countries : final draft for discussion
    Lee, J. van der; Hooft, K. van 't; Cornelissen, J.M.R. ; Wouters, A.P. - \ 2013
    Lelystad : Wageningen UR Livestock Research (Report / Wageningen UR Livestock Research 695) - 63
    veehouderij - dierhouderij - dierlijke productie - dierlijke producten - melkveehouderij - pluimveehouderij - varkenshouderij - rusland - china - republiek korea - vietnam - indonesië - turkije - ethiopië - kenya - mexico - nederland - livestock farming - animal husbandry - animal production - animal products - dairy farming - poultry farming - pig farming - russia - china - korea republic - vietnam - indonesia - turkey - ethiopia - kenya - mexico - netherlands
    This report explores opportunities and associated challenges for companies and organizations engaged in livestock production and marketing by looking at nine countries, representing BRIC countries, the so-called Next 11, and developing countries.
    More than the mean - A note on heterogeneity aspects in the assessment of water footprints
    Finger, R. - \ 2013
    Ecological Indicators 29 (2013). - ISSN 1470-160X - p. 145 - 147.
    animal products - consumption - humanity - impacts
    Water footprints for a crop produced in a specific country are often provided as mean values. However, mean values do not account for the spatial heterogeneity of water footprints within a country that is caused by heterogeneous climate conditions and production techniques. To sufficiently inform decision makers, the underlying heterogeneity should thus also be presented. We provide an illustrate example of seed cotton production in 19 regions in Brazil and China. Even though grey water footprints in Brazil are on average smaller, it also contains the highest possible grey water footprint across all regions. To avoid misleading inference on water footprint estimates, their spatial heterogeneity should be indicated. This will enable decision makers to consider trade-offs between average values and potential extremes.
    Prospects for cost reductions from relaxing additional cross-border measures related to livestock trade
    Hop, G.E. ; Mourits, M.C.M. ; Slager, R. ; Oude Lansink, A.G.J.M. ; Saatkamp, H.W. - \ 2013
    Preventive Veterinary Medicine 109 (2013)3-4. - ISSN 0167-5877 - p. 278 - 292.
    animal products - european-union - traceability - requirements
    Compared with the domestic trade in livestock, intra-communal trade across the European Union (EU) is subject to costly, additional veterinary measures. Short-distance transportation just across a border requires more measures than long-distance domestic transportation, while the need for such additional cross-border measures can be questioned. This study examined the prospects for cost reductions from relaxing additional cross-border measures related to trade within the cross-border region of the Netherlands (NL) and Germany (GER); that is, North Rhine Westphalia and Lower Saxony. The study constructed a deterministic spread-sheet cost model to calculate the costs of both routine veterinary measures (standard measures that apply to both domestic and cross-border transport) and additional cross-border measures (extra measures that only apply to cross-border transport) as applied in 2010. This model determined costs by stakeholder, region and livestock sector, and studied the prospects for cost reduction by calculating the costs after the relaxation of additional cross-border measures. The selection criteria for relaxing these measures were (1) a low expected added value on preventing contagious livestock diseases, (2) no expected additional veterinary risks in case of relaxation of measures and (3) reasonable cost-saving possibilities. The total cost of routine veterinary measures and additional cross-border measures for the cross-border region was €22.1 million, 58% (€12.7 million) of which came from additional cross-border measures. Two-thirds of this €12.7 million resulted from the trade in slaughter animals. The main cost items were veterinary checks on animals (twice in the case of slaughter animals), export certification and control of export documentation. Four additional cross-border measures met the selection criteria for relaxation. The relaxation of these measures could save €8.2 million (€5.0 million for NL and €3.2 million for GER) annually. Farmers would experience the greatest savings (99%), and most savings resulted from relaxing additional cross-border measures related to poultry (48%), mainly slaughter broilers (GER), and pigs (48%), mainly slaughter pigs (NL). In particular, the trade in slaughter animals (dead-end hosts) is subject to measures, such as veterinary checks on both sides of the border that might not contribute to preventing contagious livestock diseases. Therefore, this study concludes that there are several possibilities for reducing the costs of additional cross-border measures in both countries.
    Vooruit met de geit! Wensen van burger en consument ten aanzien van de geitenhouderij
    Berg, Isabelle van den - \ 2012
    goat keeping - consumer attitudes - consumer preferences - goats - animal welfare - animal health - q fever - sustainability - animal products
    Concurrentiekracht van de Nederlandse eiersector
    Horne, P.L.M. van - \ 2012
    Den Haag : LEI, onderdeel van Wageningen UR (LEI-rapport : Onderzoeksveld Markt & ketens ) - ISBN 9789086155996 - 74
    dierlijke producten - eieren - pluimvee - markten - statistiek - prijzen - economische productie - productiekosten - marktconcurrentie - animal products - eggs - poultry - markets - statistics - prices - economic production - production costs - market competition
    Het LEI heeft op verzoek van het ministerie van Economische Zaken (EZ) en het Productschap Pluimvee en Eieren (PPE) een onderzoek uitgevoerd naar de concurrentiekracht van de Nederlandse eiersector. Centrale vraag daarbij is of de Nederlandse eierketen concurrerend is. Belangrijk onderdeel van de studie is een vergelijking van de huidige en toekomstige positie van de Nederlandse eierketen ten opzichte van de belangrijkste concurrerende productielanden. In deze studie zijn de productiekosten van eieren in Nederland vergeleken met de productiekosten in het belangrijke afzetgebied Duitsland en met die van enkele concurrerende landen in Noordwest Europa. Ook is een vergelijking gemaakt van productiekosten van eieren met enkele landen buiten Europa.
    Detection of animal proteins in aqua feed : an inter-laboratory study of two immunochemical methods for detection of ruminant PAP's in non-ruminant PAP's intended as ingredients in aquafeed
    Raamsdonk, L.W.D. van; Margy, R.J.C.F. ; Kaathoven, R.G.C. van; Bremer, M.G.E.G. - \ 2012
    Wageningen : Rikilt - Institute of Food Safety (Report / RIKILT, Institute of Food Safety 2012.014) - 77
    voedselconsumptie - dierlijke producten - voedingsstoffen - eiwitten - dierlijke eiwitten - voer - aquacultuur - immunoassay - food consumption - animal products - nutrients - proteins - animal proteins - feeds - aquaculture - immunoassay
    Insects as a sustainable feed ingredient in pig and poultry diets : a feasibility study = Insecten als duurzame diervoedergrondstof in varkens- en pluimveevoeders : een haalbaarheidsstudie
    Veldkamp, T. ; Duinkerken, G. van; Huis, A. van; Lakemond, C.M.M. ; Ottevanger, E. ; Bosch, G. ; Boekel, T. van - \ 2012
    Lelystad : Wageningen UR Livestock Research (Report / Wageningen UR Livestock Research 638) - 48
    insecten - insecten als voedsel - dierlijke producten - veevoeding - varkensvoeding - pluimveevoeding - eiwit - insects - insects as food - animal products - livestock feeding - pig feeding - poultry feeding - protein
    A feasibility study to explore application of insects as a sustainable high protein feed ingredient for pig and poultry diets was conducted on request of the Dutch Ministry of Economic Affairs, Agriculture and Innovation. This feasibility study comprised a desk study and a workshop with participants representing the various links in the “insect chain”. The objective of the study was to list, in a joint initiative of industrial stakeholders and scientists, how insects can be used on a large scale as an alternative protein source in feed for pigs and poultry.
    Veterinary drugs and growth promoting agents in animal products : annual report 2011 of the National Reference Laborator
    Stolker, A.A.M. ; Sterk, S.S. - \ 2012
    Wageningen : RIKILT - Intstitute of Food Safety (Report / RIKILT 2012.008)
    dierlijke producten - veterinaire producten - geneesmiddelenresiduen - groeibevorderaars - vleeskwaliteit - animal products - veterinary products - drug residues - growth promoters - meat quality
    This report of the National Reference Laboratory (NRL) for residues of veterinary drugs and growth promoting agents in products of animal origin according to Council Directive 96/23/EC describes the activities employed in 2011. The main tasks of the NRL are the communication with Routine Field Laboratories (RFL), the preparation of quality control samples and the advisory function for the Competent Authority and RFL. Furthermore the NRL organizes comparative tests, ensure that the RFL observes the residue limits, disseminates information obtaines from the European Union Reference Laboratories (EURLs) and participate in training organized by the Commission or by the EURLs.
    Op weg naar duurzame veehouderij : hoe? zo! : Wat heb jij met duurzame veehouderij?
    Animal Sciences Group (ASG), - \ 2012
    Wageningen UR Livestock Research
    veehouderij - dierhouderij - dierlijke producten - huisvesting, dieren - duurzame veehouderij - lesmaterialen - innovaties - dierenwelzijn - energiebesparing - milieu - klimaat - natuur- en milieueducatie - livestock farming - animal husbandry - animal products - animal housing - sustainable animal husbandry - teaching materials - innovations - animal welfare - energy saving - environment - climate - nature and environmental education
    In 2009 hebben de belangrijkste organisaties uit de productieketen van dierlijke producten duidelijke afspraken gemaakt om samen te werken aan een duurzame veehouderij in 2023.
    Establishment approval in international trade of animal products
    Rau, M.L. ; Ge, L. ; Valeeva, N.I. ; Wagenberg, C.P.A. van - \ 2012
    The Hague : LEI, part of Wageningen UR (Memorandum / LEI Wageningen UR : Research area International policy ) - 37
    agrarische handel - dierlijke producten - export - vestigingsplaats van de productie - transparantie - markten - internationale handel - agricultural trade - animal products - exports - location of production - transparency - markets - international trade
    This report provides an overview of different approaches of establishment approval as well as its implementation and organisation in international agrifood trade. The focus is on animal products as establishment approval is particularly used for exporting these products. Based on trade data, 8 countries are selected, which are important markets for EU exporters in general and Dutch exporters in particular, for a comparative analysis on their approaches to establishment approval: China, Hong Kong, Japan, Mexico, Russia, Saudi Arabia, South Korea and the United States. In the analysis, we differentiate requirements and conformity assessments for establishments approval at the country level and at the firm level. For both levels, we collect and compare the respective information, which includes information about transparency and the organisation of establishment approval. The main source of information are the official websites of the respective importing countries, the EU as well as the Netherlands.
    Inclusion Of The Spatial Dimension Of Population Data In Developing Policies For The Management Of AnGR –The Case Of The Heritage Sheep Breeds
    Ligda, C. ; Mizeli, C. ; Carson, A. ; Duclos, D. ; Haas, Y. de; Kompan, D. ; Bowles, D. ; Georgoudis, A. - \ 2010
    schapenrassen - inheems vee - in-situ conservering - bedreigde rassen - dierlijke producten - genetische bronnen van diersoorten - europa - geoinformatie - sheep breeds - native livestock - in situ conservation - endangered breeds - animal products - animal genetic resources - europe - geoinformation
    The sustainable use of farm animal genetic resources is connected with the recognition of their contribution to the society and the environment and the assessment of the threats they are facing. The category of the heritage breeds, which are genetically distinct, geographically concentrated, adapted to their environment, commercially farmed to contribute to the local economy were considered in the frame of the HERITAGESHEEP project. The aim of this project was to deliver the potential of the heritage sheep breeds for a sustainable future for medium to low input production systems, which support local rural communities throughout Europe. This was achieved by addressing the conservation of these breeds, defining the current and future threats and developing new uses and markets for products.
    De consumptie van dierlijke producten : ontwikkelingen, invloedsfactoren, actoren en interventies
    Beekman, V. ; Pronk, A. ; Smet, A. de - \ 2010
    Wageningen : Wettelijke Onderzoekstaken Natuur & Milieu (WOt-werkdocument 192) - 59
    dierlijke producten - consumptie - voedselconsumptie - consumptiepatronen - interventie - beleid inzake voedsel - marktanalyse - animal products - consumption - food consumption - consumption patterns - intervention - food policy - market analysis
    LEI Wageningen UR heeft in opdracht van het Planbureau voor de Leefomgeving (PBL) met behulp van kwantitatief onderzoek onderzocht hoe de consumptie van dierlijke producten zich in Europese landen in de afgelopen decennia heeft ontwikkeld. Daarnaast zijn met behulp van kwalitatief onderzoek mogelijke interventies geïdentificeerd gericht op het beïnvloeden van de consumptie van dierlijke producten. Dit onderzoek biedt een basis voor de verdere uitwerking en uitvoering van door publieke en private actoren te nemen maatregelen gericht op verandering of vermindering van de consumptie van dierlijke producten.
    Veterinary drugs in animal products : annual report 2008 of the National Reference Laboratory
    Stolker, A.A.M. - \ 2009
    Wageningen : RIKILT (Report / RIKILT, Institute of Food Safety 2009.006) - 30
    veterinaire producten - dierlijke producten - kwaliteitscontroles - referentienormen - veterinary products - animal products - quality controls - reference standards
    Diervriendelijke keuzes door consumenten : monitor duurzame dierlijke producten 2009
    Bakker, J.H. - \ 2008
    Ministerie van Landbouw, Natuur en Voedselkwaliteit
    dierenwelzijn - dierlijke producten - producten - dierhouderij - consumentengedrag - duurzaamheid (sustainability) - consumptie - animal welfare - animal products - products - animal husbandry - consumer behaviour - sustainability - consumption
    Deze rapportage toont de groei in omzet aan diervriendelijker geproduceerde dierlijke producten tussen 2008 en 2009. Doelstelling van het Convenant Marktontwikkeling Verduurzaming Dierlijke Producten is tot 2011 een omzetgroei van 15% per jaar te realiseren. In 2009 is dat gelukt. Nederlandse consumenten gaven in dat jaar bijna twee keer zo veel geld uit aan diervriendelijke producten (eieren en vlees) in de supermarkt dan het jaar daarvoor: 40,7 miljoen euro tegen 21,5 miljoen in 2008. Een stijging van maar liefst 89,1%. Daarmee was 1,2% van de in de supermarkt verkochte dierlijke producten diervriendelijk geproduceerd (3,0% als we biologische producten met EKO-keurmerk meetellen), in 2008 was dit nog 0,7%. Het aanbod van diervriendelijker producten in supermarkten is in 2009 toegenomen, het is beter verkrijgbaar. Over de gehele linie steeg de verkoop van diervriendelijke producten in 2009 ten opzichte van 2008, maar de verschillen tussen de productgroepen zijn groot. Zo steeg vooral de omzet van diervriendelijk geproduceerd varkens- en rundvlees fors. Dit werd in 2008 nog nauwelijks verkocht. De omzet van diervriendelijk geproduceerde eieren en kippenvlees steeg minder hard. Zij hadden in 2008 wel al een behoorlijk marktaandeel.
    Annual report 2006/2007 of the National Reference Laboratory for residues of veterinary drugs in products of animal origin according to 96/23/EC
    Zuidema, T. ; Stolker, A.A.M. - \ 2008
    Wageningen : RIKILT Wageningen UR (Report / RIKILT, Institute of Food Safety 2008.002) - 36
    geneesmiddelenresiduen - veterinaire producten - dierlijke producten - referentienormen - kwaliteitscontroles - drug residues - veterinary products - animal products - reference standards - quality controls
    Development of an optical surface plasmon resonance biosensor assay for (fluoro) quinolones in egg, fish, and poultry meat
    Huet, A.C. ; Charlier, C. ; Singh, G. ; Benrejeb Godefroy, S. ; Leivo, J. ; Vehniainen, M. ; Nielen, M.W.F. ; Weigel, S. ; Delahaut, P. - \ 2008
    Analytica Chimica Acta 623 (2008)2. - ISSN 0003-2670 - p. 195 - 203.
    linked-immunosorbent-assay - indirect competitive elisa - quinolone residues - animal products - fluoroquinolones - ciprofloxacin - immunoassay - antibodies - muscle - enrofloxacin
    The aim of this study was to develop an optical biosensor inhibition immunoassay, based on the surface plasmon resonance (SPR) principle, for use as a screening test for 13 (fluoro)quinolones, including flumequine, used as veterinary drugs in food-producing animals. For this, we immobilised various quinolone derivatives on the sensor chip and tested binding of a range of different antibodies (polyclonal and one engineered antibody) in the presence and absence of free (fluoro)quinolones. The main challenge was to detect flumequine in an assay giving good results for the other compounds. One antigen¿antibody combination proved satisfactory: polyclonal antibodies raised against a dual immunogen and, on the sensor chip, a fluoroquinolone derivative. It was the first time that this concept of the bi-active antibody was described in the literature. The assay, optimised for detection in three matrices (poultry muscle, fish, and egg), was tested on incurred samples prepared by liquid extraction followed by two washing steps. This rapid, simple method proved adequate for detecting at least 13 (fluoro)quinolones at concentrations below established maximum residue levels (MRLs). The reference molecule norfloxacin could be detected in the range of 0.1¿10 ¿g kg¿1 in extracts of egg and poultry meat and in the range of 0.1¿100 ¿g kg¿1 in extracts of fish. The determined midpoints of these calibration curves were about 1, 1.5 and 3 ¿g kg¿1 in poultry meat, egg and fish, respectively.
    Marktontwikkelingsmogelijkheden voor konijnenvlees
    Tacken, G.M.L. - \ 2007
    Kontaktblad N.O.K. / Nederlandse Organisatie van Konijnenhouders 25 (2007)2. - p. 15 - 20.
    konijnen - vleesproductie - konijnenvlees - dierlijke producten - marketing - marketing van voedingsmiddelen - rabbits - meat production - rabbit meat - animal products - marketing - food marketing
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