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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    Survey for toxigenic Fusarium species on maize kernels in China
    Qin, P.W. ; Xu, J. ; Jiang, Y. ; Hu, L. ; Lee, T.A.J. van der; Waalwijk, C. ; Zhang, W.M. ; Xu, X.D. - \ 2020
    World Mycotoxin Journal 13 (2020)2. - ISSN 1875-0710 - p. 213 - 224.
    maize ear rot - Fusarium spp. - Population structure - mycotoxin chemotypes
    Maize is currently the most important crop in China. A major concern in maize production is maize ear rot caused by Fusarium spp., which results in yield losses, reduction of seed quality and the accumulation of mycotoxins in the harvested grains. To identify the importance of the different Fusarium species in maize infection, we performed a comprehensive survey on 9,000 asymptomatic and randomly collected maize kernels. Seeds were collected from 12 different provinces covering all major maize growing areas in China and included five maize varieties. In total 1,022 Fusarium isolates were retrieved that were identified based on morphological characteristics, by species specific diagnostic PCRs and by EF1-α gene sequencing. Eight different species were identified: Fusarium verticillioides (75.34%), Fusarium graminearum (8.32%), Fusarium proliferatum (7.14%), Fusarium subglutinans (4.11%), Fusarium meridionale (1.57%), Fusarium oxysporum (1.37%), Fusarium semitectum (1.17%), and Fusarium asiaticum (0.98%). The distribution of Fusarium species was found to be different in different regions with the largest diversity observed in Hubei province, where all eight Fusarium species were isolated. Genetic chemotyping within the F. graminearum species complex indicated that all of the 85 F. graminearum isolates showed the 15-acetyldeoxynivalenol chemotype, whereas all F. asiaticum (n=10) and F. meridionale (n=16) isolates had the nivalenol chemotype even when isolated from the same maize field. To our knowledge this is the largest collection of Fusarium isolates from maize and further exploitations of this collection are discussed.
    Ecological insights from three decades of animal movement tracking across a changing Arctic
    Davidson, Sarah C. ; Bohrer, Gil ; Gurarie, Eliezer ; LaPoint, Scott ; Mahoney, Peter J. ; Boelman, Natalie T. ; Eitel, Jan U.H. ; Prugh, Laura R. ; Vierling, Lee A. ; Jennewein, Jyoti ; Grier, Emma ; Couriot, Ophélie ; Kelly, Allicia P. ; Meddens, Arjan J.H. ; Oliver, Ruth Y. ; Kays, Roland ; Wikelski, Martin ; Aarvak, Tomas ; Ackerman, Joshua T. ; Alves, José A. ; Bayne, Erin ; Bedrosian, Bryan ; Belant, Jerrold L. ; Berdahl, Andrew M. ; Berlin, Alicia M. ; Berteaux, Dominique ; Bêty, Joël ; Boiko, Dmitrijs ; Booms, Travis L. ; Borg, Bridget L. ; Boutin, Stan ; Boyd, Sean ; Brides, Kane ; Brown, Stephen ; Bulyuk, Victor N. ; Burnham, Kurt K. ; Cabot, David ; Casazza, Michael ; Christie, Katherine ; Craig, Erica H. ; Davis, Shanti E. ; Davison, Tracy ; Demma, Dominic ; DeSorbo, Christopher R. ; Dixon, Andrew ; Domenech, Robert ; Eichhorn, Götz ; Elliott, Kyle ; Evenson, Joseph R. ; Exo, Klaus Michael ; Ferguson, Steven H. ; Fiedler, Wolfgang ; Fisk, Aaron ; Fort, Jérôme ; Franke, Alastair ; Fuller, Mark R. ; Garthe, Stefan ; Gauthier, Gilles ; Gilchrist, Grant ; Glazov, Petr ; Gray, Carrie E. ; Grémillet, David ; Griffin, Larry ; Hallworth, Michael T. ; Harrison, Autumn Lynn ; Hennin, Holly L. ; Hipfner, Mark ; Hodson, James ; Johnson, James A. ; Joly, Kyle ; Jones, Kimberly ; Katzner, Todd E. ; Kidd, Jeff W. ; Knight, Elly C. ; Kochert, Michael N. ; Kölzsch, Andrea ; Kruckenberg, Helmut ; Lagassé, Benjamin J. ; Lai, Sandra ; Lamarre, Jean François ; Lanctot, Richard B. ; Larter, Nicholas C. ; Latham, A.D.M. ; Latty, Christopher J. ; Lawler, James P. ; Léandri-Breton, Don Jean ; Lee, Hansoo ; Lewis, Stephen B. ; Love, Oliver P. ; Madsen, Jesper ; Maftei, Mark ; Mallory, Mark L. ; Mangipane, Buck ; Markovets, Mikhail Y. ; Marra, Peter P. ; McGuire, Rebecca ; McIntyre, Carol L. ; McKinnon, Emily A. ; Miller, Tricia A. ; Moonen, Sander ; Mu, Tong ; Müskens, Gerhard J.D.M. ; Ng, Janet ; Nicholson, Kerry L. ; Øien, Ingar Jostein ; Overton, Cory ; Owen, Patricia A. ; Patterson, Allison ; Petersen, Aevar ; Pokrovsky, Ivan ; Powell, Luke L. ; Prieto, Rui ; Quillfeldt, Petra ; Rausch, Jennie ; Russell, Kelsey ; Saalfeld, Sarah T. ; Schekkerman, Hans ; Schmutz, Joel A. ; Schwemmer, Philipp ; Seip, Dale R. ; Shreading, Adam ; Silva, Mónica A. ; Smith, Brian W. ; Smith, Fletcher ; Smith, Jeff P. ; Snell, Katherine R.S. ; Sokolov, Aleksandr ; Sokolov, Vasiliy ; Solovyeva, Diana V. ; Sorum, Mathew S. ; Tertitski, Grigori ; Therrien, J.F. ; Thorup, Kasper ; Tibbitts, Lee ; Tulp, Ingrid ; Uher-Koch, Brian D. ; Bemmelen, Rob S.A. van; Wilgenburg, Steven Van; Duyke, Andrew L. Von; Watson, Jesse L. ; Watts, Bryan D. ; Williams, Judy A. ; Wilson, Matthew T. ; Wright, James R. ; Yates, Michael A. ; Yurkowski, David J. ; Žydelis, Ramūnas ; Hebblewhite, Mark - \ 2020
    Science 370 (2020)6517. - ISSN 0036-8075 - p. 712 - 715.

    The Arctic is entering a new ecological state, with alarming consequences for humanity. Animal-borne sensors offer a window into these changes. Although substantial animal tracking data from the Arctic and subarctic exist, most are difficult to discover and access. Here, we present the new Arctic Animal Movement Archive (AAMA), a growing collection of more than 200 standardized terrestrial and marine animal tracking studies from 1991 to the present. The AAMA supports public data discovery, preserves fundamental baseline data for the future, and facilitates efficient, collaborative data analysis. With AAMA-based case studies, we document climatic influences on the migration phenology of eagles, geographic differences in the adaptive response of caribou reproductive phenology to climate change, and species-specific changes in terrestrial mammal movement rates in response to increasing temperature.

    Notitie KIWK : maatregeleffectiviteit beekherstel : Macrofaunarespons op de hermeander in het dynamisch beekdal van de Aa
    Lee, Gea van der; Verdonschot, Ralf ; Herpen, Frank van; Moeleker, Mieke ; Verdonschot, Piet - \ 2020
    Wageningen : Zoetwaterecosystemen, Wageningen Environmental Research (Notitie Kennisimpuls waterkwaliteit (KIWK), Zoetwatersystemen, Wageningen Environmental Research ) - 10
    Een van de doelen van de Kennisimpuls waterkwaliteit (KIWK) is het kwantificeren van de effectiviteit van lokale maatregelen in verschillende watertypen op verschillende organismengroepen. In dit document is de effectiviteit van de hermeander in het dynamisch beekdal van de Aa op de macrofaunagemeenschap geanalyseerd. Er kan worden geconcludeerd dat het beekherstel meander Assendelft niet heeft geresulteerd een toename van macrofauna soorten die indicatief zijn voor beekkenmerken
    Notitie KIWK : maatregeleffectiviteit beekherstel : Macrofaunarespons op de herinrichting van de Buurserbeek
    Lee, Gea van der; Verdonschot, Ralf ; Lenssen, John ; Zuidam, Bastiaan van; Verdonschot, Piet - \ 2020
    Wageningen : Zoetwaterecosystemen, Wageningen Environmental Research (Notitie Kennisimpuls waterkwaliteit (KIWK), Zoetwatersystemen, Wageningen Environmental Research ) - 10
    Een van de doelen van de Kennisimpuls waterkwaliteit (KIWK) is het kwantificeren van de effectiviteit van lokale maatregelen in verschillende watertypen op verschillende organismengroepen. In dit document is de effectiviteit van de herinrichting van de Buurserbeek op de macrofaunagemeenschap geanalyseerd. Er kan worden geconcludeerd dat er een negatieve ontwikkeling gaande is in de macrofaunagemeenschap in de bovenloop van de Buurserbeek. Het is niet duidelijk of deze negatieve ontwikkelingen zijn gerelateerd aan de herstelmaatregelen of aan andere veranderingen in het gebied.
    Factsheet KIWK : habitatheterogeniteit
    Lee, Gea H. van der; Verdonschot, Ralf C.M. ; Verdonschot, Piet F.M. - \ 2020
    Wageningen : Zoetwaterecosystemen, Wageningen Environmental Research (Notitie Zoetwatersystemen, Wageningen Environmental Research ) - 11
    Understanding dairy commercialization : Evolving market linkages, transition, and resilience of dairy farming in the East African highlands
    Lee, Jan van der - \ 2020
    Wageningen University. Promotor(en): L.W.A. Klerkx, co-promotor(en): S.J. Oosting. - Wageningen : Wageningen University - ISBN 9789463955126 - 191
    Structural and functional assessment of multi-stressed lowland waters
    Lee, Gea H. van der; Baat, Milo L. de; Wieringa, Nienke ; Kraak, Michiel H.S. ; Verdonschot, Ralf C.M. ; Verdonschot, Piet F.M. - \ 2020
    Freshwater Science (2020). - ISSN 2161-9549
    Agriculture - Diversity indices - Drainage ditches - Invertebrate assemblage composition - Invertebrate consumption - Lowland streams - Microbial decomposition - Organic matter breakdown - SPEAR approach - Trait based - Wastewater treatment plant

    Water bodies in densely populated lowland areas are commonly affected by pollution from agricultural activities and wastewater treatment plant (WWTP) discharges, yet the selection of appropriate water quality assessment methods for these water bodies is under debate. Therefore, we aimed to 1) compare the ability of structural and functional metrics to detect adverse effects of anthropogenic stress on aquatic ecosystems and 2) assess the ability of trait-based metrics to diagnose the potential causes of the observed adverse effects in water quality assessment. Specifically, we compared the responses of several structural (both taxonomic and trait-based) and functional (i.e., based on ecological processes) metrics across a series of stressors in 20 lowland water bodies affected to varying degrees by agricultural activities and WWTP discharges. The measured stressors included nutrients, dissolved oxygen saturation, water temperature, and proxies for pesticides, pharmaceuticals, and personal care products. Taxa evenness and the trait-based SPEcies At Risk organic (SPEARorganic) and pesticide (SPEARpesticide) metrics were negatively correlated with the proxy for organic toxicants. Microbial decomposition and invertebrate consumption showed opposite and more complex relationships with the stressors. These findings suggest that functional metrics may detect patterns of anthropogenic stress that are not evident from structural metrics alone. In terms of diagnostic value, our results indicated that both SPEAR metrics may be used to diagnose the combined presence of organic toxicants from agricultural activities and WWTP discharges, although the SPEAR approach may need to be combined with other methods. We conclude that structural (both taxonomic and trait-based) and functional metrics may provide complementary information that, when integrated, allows for more thorough water quality assessment strategies.

    Perspectives on the functional assessment of multi-stressed stream ecosystems
    Verdonschot, Piet F.M. ; Lee, Gea H. van der - \ 2020
    Freshwater Science (2020). - ISSN 2161-9549
    Algae - Decomposition - Disturbance - Fungi - Invertebrates - Microbes - Primary production - Process - Respiration - Species composition - Stressor - Structure

    Past research has examined how anthropogenic stressors affect both structural and functional attributes of stream ecosystems. Nevertheless, biomonitoring programs rely mostly on structural metrics for surface-water quality and status assessments, and few studies have examined the extent to which functional metrics can strengthen these structure-based assessments. We reviewed studies that combined the response of stream-ecosystem structural and functional measures to single and multiple stressors. These studies illustrate that structural and functional measures can respond in similar, complementary, or even contradictory magnitude and direction to different stressors. Because of this complexity, we suggest that a combination of structural and functional measures may provide added information on surface-water quality and status, especially when ecosystems are affected by multiple stressors. Better knowledge about trophic and non-trophic roles of dominant taxa and the effects of changes in species diversity on stream ecosystem processes could improve understanding of the relationships among structural and functional measures. Based on our review, we suggest that future research should be designed to: 1) increase understanding of the roles of individual species and communities in the functioning of stream ecosystems, and 2) quantify the responses of individual species and communities to individual stressors and combinations of multiple stressors. We propose that increasing the knowledge base about the suites of traits that occur in different species, how these traits coevolved under local environmental abiotic and biotic conditions, and how they interact is needed to understand how multiple stressors affect ecosystem structure and function. This trait-based knowledge is essential to understanding the relationship between structure and function in multi-stressed stream ecosystems and could help managers to make stronger inferences about the combined effects of multiple stressors on water quality and status.

    Integrating measures of ecosystem structure and function to improve assessments of stream integrity
    Verdonschot, Piet F.M. ; Lee, Gea H. van der; Verdonschot, Ralf C.M. - \ 2020
    Freshwater Science (2020). - ISSN 2161-9549
    Assessment - Community structure - Ecosystem function - Monitoring - Multiple stressors - Traits

    Freshwater ecosystems have been degraded by multiple stressors. To mitigate the effects of multiple stressors on freshwater ecosystems, we must assess the current ecological condition of these systems, diagnose the cause of the environmental impact, and predict how they will respond to future changes in anthropogenic pressures. Most biomonitoring programs use metrics of community structure to quantify ecological condition; however, they do not assess the overall ecological integrity of an ecosystem, including ecosystem function. This series of papers explores how structural and functional aspects of stream ecosystems can respond to different stressors. The use of a combination of structural and functional measures increases the ability to assess degradation of stream ecosystem integrity. We suggest that future studies should focus on development of measures that integrate ecosystem structure and function, such as the identification and refinement of species traits that are clearly associated with important functional properties of species and whose responses to different anthropogenic pressures can aid in informing the specific management activities likely to be most effective in restoring degraded stream ecosystems.

    At the scene of the crime : New insights into the role of weakly pathogenic members of the fusarium head blight disease complex
    Tan, Jiang ; Ameye, Maarten ; Landschoot, Sofie ; Zutter, Noémie De; Saeger, Sarah De; Boevre, Marthe De; Abdallah, Mohamed F. ; Lee, Theo Van der; Waalwijk, Cees ; Audenaert, Kris - \ 2020
    Molecular Plant Pathology (2020). - ISSN 1464-6722
    disease complex - Fusarium - multispectral imaging - plant–pathogen interaction - wheat

    Plant diseases are often caused by a consortium of pathogens competing with one another to gain a foothold in the infection niche. Nevertheless, studies are often limited to a single pathogen on its host. In Europe, fusarium head blight (FHB) of wheat is caused by multiple Fusarium species, including Fusarium graminearum and F. poae. Here, we combined a time series of (co)inoculations, monitored by multispectral imaging, transcriptional, and mycotoxin analyses, to study the temporal interaction between both species and wheat. Our results showed coinoculation of F. graminearum and F. poae inhibited symptom development but did not alter mycotoxin accumulation compared to a single inoculation with F. graminearum. In contrast, preinoculation of F. poae reduced both FHB symptoms and mycotoxin levels compared to a single F. graminearum infection. Interestingly, F. poae exhibited increased growth in dual infections, demonstrating that this weak pathogen takes advantage of its co-occurrence with F. graminearum. Quantitative reverse transcription PCR revealed that F. poae induces LOX and ICS gene expression in wheat. We hypothesize that the early induction of salicylic and jasmonic acid-related defences by F. poae hampers a subsequent F. graminearum infection. This study is the first to report on the defence mechanisms of the plant involved in a tripartite interaction between two species of a disease complex and their host.

    Dietary patterns in childhood and their effect on gut microbiota—an Asian perspective on atopy risk
    Ismail, Intan Hakimah ; Lay, Christophe ; H.A. Majid, Noorizan ; Lee, Way Seah ; Lee, Bee Wah ; Abdul Latiff, Amir Hamzah ; Tina Tan, Hern Tze ; Knol, Jan ; Lee, Yeong Yeh - \ 2020
    Journal of Allergy and Clinical Immunology 146 (2020)5. - ISSN 0091-6749 - p. 1005 - 1007.
    allergy - Asian - Butyrate - diet - gut microbiota
    Fingerfoods : a feasibility study to enhance fruit and vegetable consumption in Dutch patients with dementia in a nursing home
    Visscher, Annemijn ; Battjes-Fries, Marieke C.E. ; Rest, Ondine van de; Patijn, Olga N. ; Lee, Mascha van der; Wijma-Idsinga, Nienke ; Pot, Gerda K. ; Voshol, Peter - \ 2020
    BMC Geriatrics 20 (2020). - ISSN 1471-2318
    Dementia - Elderly - Fingerfoods - Fruit and vegetable consumption - Nursing homes - Nutritional status

    Background: Eating problems are highly prevalent in older patients with dementia and as a consequence, these patients are at greater risk of becoming malnourished. Fingerfoods, snacks that can be picked with thumb and forefinger, could be used to counteract malnutrition in patients with dementia. The aim of this feasibility study was to evaluate whether providing fruit and vegetable rich fingerfoods in the form of recognizable and familiar snacks on top of the normal intake was feasible for both patients with dementia and caregivers as a means to increase patients’ nutritional status. Methods: Institutionalised patients with dementia (N = 15, 93% female, mean age = 85 years) were included in this feasibility study in the Netherlands. The residents received their regular diet supplemented with fingerfoods, comprising quiches and cakes rich in fruit or vegetables, for 6 weeks. Daily fingerfood consumption together with compensation behaviour at dinner of residents was administered with a checklist and food diaries at the start and end of the intervention as dose delivered. Furthermore, caregivers were asked to fill out a feedback form at the end of the intervention to measure fidelity and appreciation of the intervention. Results: Patients consumed on average 1.4 pieces (70 g) of fingerfoods daily, containing 41 g of fruit and/or vegetables. Fruit and vegetable consumption increased during the provision of the fingerfoods and the residents seemed not to compensate this intake during the rest of the day. The intervention was generally positively received by the majority of caregivers, depending on the type of fingerfood and state of the resident. Conclusion: This feasibility study showed that providing recognizable fruit and vegetable rich fingerfoods to patients with dementia seems feasible for both patients and caregivers and could provide a pragmatic approach to enhance fruit and vegetable consumption and total food intake in institutionalized elderly. In an up-scaled study, effects of fingerfoods on nutritional status and quality of life should be investigated.

    A compromised developmental trajectory of the infant gut microbiome and metabolome in atopic eczema
    Ta, Le Duc Huy ; Chan, James Chun Yip ; Yap, Gaik Chin ; Purbojati, Rikky W. ; Drautz-Moses, Daniela I. ; Koh, Yanqing Michelle ; Tay, Carina Jing Xuan ; Huang, Chiung Hui ; Kioh, Dorinda Yan Qin ; Woon, Jia Yun ; Tham, Elizabeth Huiwen ; Loo, Evelyn Xiu Ling ; Shek, Lynette P.C. ; Karnani, Neerja ; Goh, Anne ; Bever, Hugo P.S. Van; Teoh, Oon Hoe ; Chan, Yiong Huak ; Lay, Christophe ; Knol, Jan ; Yap, Fabian ; Tan, Kok Hian ; Chong, Yap Seng ; Godfrey, Keith M. ; Kjelleberg, Staffan ; Schuster, Stephan C. ; Chan, Eric Chun Yong ; Lee, Bee Wah - \ 2020
    Gut Microbes 12 (2020)1. - ISSN 1949-0976 - p. 1 - 21.
    allergen sensitization - atopic dermatitis - atopic eczema - Early life - gut metabolome - gut microbiome - SCFA

    Evidence is accumulating that the establishment of the gut microbiome in early life influences the development of atopic eczema. In this longitudinal study, we used integrated multi-omics analyses to infer functional mechanisms by which the microbiome modulates atopic eczema risk. We measured the functionality of the gut microbiome and metabolome of 63 infants between ages 3 weeks and 12 months with well-defined eczema cases and controls in a sub-cohort from the Growing Up in Singapore Toward healthy Outcomes (GUSTO) mother-offspring cohort. At 3 weeks, the microbiome and metabolome of allergen-sensitized atopic eczema infants were characterized by an enrichment of Escherichia coli and Klebsiella pneumoniae, associated with increased stool D-glucose concentration and increased gene expression of associated virulence factors. A delayed colonization by beneficial Bacteroides fragilis and subsequent delayed accumulation of butyrate and propionate producers after 3 months was also observed. Here, we describe an aberrant developmental trajectory of the gut microbiome and stool metabolome in allergen sensitized atopic eczema infants. The infographic describes an impaired developmental trajectory of the gut microbiome and metabolome in allergen-sensitized atopic eczema (AE) infants and infer its contribution in modulating allergy risk in the Singaporean mother-offspring GUSTO cohort. The key microbial signature of AE is characterized by (1) an enrichment of Escherichia coli and Klebsiella pneumoniae which are associated with accumulation of pre-glycolysis intermediates (D-glucose) via the trehalose metabolic pathway, increased gene expression of associated virulence factors (invasin, adhesin, flagellin and lipopolysaccharides) by utilizing ATP from oxidative phosphorylation and delayed production of butyrate and propionate, (2) depletion of Bacteroides fragilis which resulted in lower expression of immunostimulatory bacterial cell envelope structure and folate (vitamin B9) biosynthesis pathway, and (3) accompanied depletion of bacterial groups with the ability to derive butyrate and propionate through direct or indirect pathways which collectively resulted in reduced glycolysis, butyrate and propionate biosynthesis.

    Integrated time-serial transcriptome networks reveal common innate and tissue-specific adaptive immune responses to PRRSV infection
    Lim, Byeonghwi ; Kim, Sangwook ; Lim, Kyu Sang ; Jeong, Chang Gi ; Kim, Seung Chai ; Lee, Sang Myeong ; Park, Choi Kyu ; Pas, Marinus F.W. te; Gho, Haesu ; Kim, Tae Hun ; Lee, Kyung Tai ; Kim, Won Il ; Kim, Jun Mo - \ 2020
    Veterinary Research 51 (2020)1. - ISSN 0928-4249
    adaptive immunity - gene co-expression network - innate immunity - integrated transcriptomes - porcine reproductive and respiratory syndrome virus

    Porcine reproductive and respiratory syndrome virus (PRRSV) infection is the most important viral disease causing severe economic losses in the swine industry. However, mechanisms underlying gene expression control in immunity-responsible tissues at different time points during PRRSV infection are poorly understood. We constructed an integrated gene co-expression network and identified tissue- and time-dependent biological mechanisms of PRRSV infection through bioinformatics analysis using three tissues (lungs, bronchial lymph nodes [BLNs], and tonsils) via RNA-Seq. Three groups with specific expression patterns (i.e., the 3-dpi, lung, and BLN groups) were discovered. The 3 dpi-specific group showed antiviral and innate-immune signalling similar to the case for influenza A infection. Moreover, we observed adaptive immune responses in the lung-specific group based on various cytokines, while the BLN-specific group showed down-regulated AMPK signalling related to viral replication. Our study may provide comprehensive insights into PRRSV infection, as well as useful information for vaccine development.

    Dairy for nutrition, employment and sustainability : An action agenda for the Dutch contribution to dairy development in Africa and Asia: Position paper
    Andeweg, K. ; Lee, Jan van der; Vugt, S.M. van - \ 2020
    Netherlands Food Partnership - 9 p.
    This position paper is the product of valuable collaboration between many organisations. The process started with the organisation of the workshop “Dairy, the motor for healthy growth”, attended by 115 participants on 13 August 2019 in Nairobi. A follow-up meeting in Veenendaal, the Netherlands, was organised on 27 November 2019. Ninety participants joined this event on “Dairy Development in emerging economies: A motor for sustainable and healthy growth?” to discuss needs of, and challenges and opportunities for dairy development in emerging economies
    Milk Retailing Practices and Quality Compliance in Urban Kenya
    Bebe, B.O. ; Lee, Jan van der; Kilelu, C.W. - \ 2020
    Emerging private extension and advisory service models in Kenya’s transforming agri-food sector. : 3R Kenya Project Practice Brief 017
    Kilelu, C.W. ; Katothya, Gerald Mutinda ; Lee, Jan van der - \ 2020
    Wageningen : Wageningen University & Research - 6 p.
    Dairy feeds quality standards enforcement - Challenge in Kenya: perception of stakeholders. : ADIAS project policy brief
    Ann, Kingiri ; Agutu, Fredrick ; Lee, Jan van der - \ 2020
    Wageningen University & Research
    ADIAS - Assessing & supporting Dairy Input & Advisory service Systems for resilient market-oriented smallholder dairy systems in the Ethiopian & Kenyan highlands
    Lee, Jan van der; Klerkx, Laurens ; Bebe, B.O. ; Mengistu, Ashenafi ; Kingiri, Ann - \ 2020
    Insights on dairy and fodder sector
    Lee, Jan van der; Ayuya, Oscar Ingasia ; Sakwa, Boniface ; Ndambi, Asaah - \ 2020
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