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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    Luxe naast gerecycled afval
    Menting, Frank - \ 2017

    Artikel over designspektakel Salone del Mobile in Milaan. Jasper Udink ten Cate uit Utrecht kookt creatief met oude plantenrassen uit de genenbank in Wageningen

    menti

    Automated detection of oestrus and mastitis in dairy cows
    Mol, R.M. de - \ 2000
    Agricultural University. Promotor(en): A.J. Udink ten Cate; A.A. Dijkhuizen; C.E. van 't Klooster. - S.l. : S.n. - ISBN 9789058082299 - 177
    melkkoeien - veeartsenijkunde - mastitis - oestrus - detectie - automatisering - monitoring - tijdreeksen - vage logica - melken - dairy cows - veterinary medicine - mastitis - oestrus - detection - automation - monitoring - time series - fuzzy logic - milking

    Detection models for oestrus and mastitis in dairy cows were developed, based on sensors for milk yield, milk temperature, electrical conductivity of milk, cow's activity and concentrate intake, and on combined processing of the sensor data. The detection model generated alerts for cows, that need the farmer's attention, because of a possible case of oestrus or mastitis. A first detection model for cows, milked twice a day, was based on time series models for the sensor variables, where the parameters were fitted on-line for each cow after each milking by a Kalman filter. This model was tested during two years on two experimental farms, and under field conditions on four farms during several years. A second detection model, for cows milked in an automatic milking system (AMS), was based on a generalisation of the first model. Two data sets (one small, one large) were used for testing. The results of both models for oestrus detection were good, for mastitis varying. Fuzzy logic was used for the classification of mastitis and oestrus alerts with both detection models, to reduce the number of false positive alerts. Input for the fuzzy logic model were alerts from the detection models and additional information. The number of false positive alerts decreased considerably, while keeping the number of detected cases at the same level. The models make automated detection possible in practice.

    Information and communidation technology applications in agriculture : special issue : selected papers from the 6th International Congress for Computer Technology in Agriculture, Wageningen, The Netherlands 16 -19 June, 1996
    Udink ten Cate, A.J. ; Dijkhuizen, A.A. - \ 1999
    Unknown Publisher (Computers and Electronics in Agriculture 22)
    Quality assessment of the simulation modeling process
    Scholten, H. ; Udink ten Cate, A.J. - \ 1999
    Computers and Electronics in Agriculture 22 (1999). - ISSN 0168-1699 - p. 2 - 3.
    Information needs and information technology on dairy farms
    Asseldonk, M.A.P.M. van; Huirne, R.B.M. ; Dijkhuizen, A.A. ; Beulens, A.J.M. ; Udink ten Cate, A.J. - \ 1999
    Computers and Electronics in Agriculture 22 (1999). - ISSN 0168-1699 - p. 97 - 107.
    Investment in information technology (IT) enables the farmer to collect and process data at farm and animal level to be used in decision making. In order to evaluate the currently available IT applications it is essential to determine in what way IT will support information needs. A methodology was presented that was based on system decomposition principles which made a formal analysis possible. When evaluating an automated concentrate feeder, processes related to the function of nutrition are important. In the case of activity measurement the evaluation should include at least the function reproduction and in the case of electrical conductivity of quarter milk the function health care. Milk temperature measurement supports two functions, namely reproduction and health care, while milk production measurement supports a wide range of processes in different functions.
    Product data interchange in agriculture: a technology assessment study
    Jahae, I.A.M.A. ; Beers, G. - \ 1996
    In: Information and communication technology applications in agriculture : state of the art and future perspectives : proceedings [of the] 6th International Congress for Computer Technology in Agriculture (ICCTA '96) including the 10th VIAS anniversary symposium and the Neural Network Applications in Agriculture (NNAA) workshop / Lokhorst, C., Udink ten Cate, A.J., Dijkhuizen, A.A., VIAS (Agro - informaticareeks nr. 10) - p. 211 - 216.
    A geographical infromation system application for animal health management
    Nielen, M. ; Jalvingh, A.W. ; Dijkhuizen, A.A. ; Lattuada, R. - \ 1996
    In: Information and communication technology applications in agriculture : state of the art and future perspectives : proceedings [of the] 6th International Congress for Computer Technology in Agriculture (ICCTA '96) including the 10th VIAS anniversary symposium and the Neural Network Applications in Agriculture (NNAA) workshop / Lokhorst, C., Udink ten Cate, A.J., Dijkhuizen, A.A., VIAS (Agro - informaticareeks nr. 10) - p. 393 - 396.
    Code structure standard for rf identification of animals
    Kampers, F.W.H. ; Rossing, W. ; Eradus, W.J. - \ 1996
    In: Information and communication technology applications in agriculture : state of the art and future perspectives : proceedings [of the] 6th International Congress for Computer Technology in Agriculture (ICCTA '96) including the 10th VIAS anniversary symposium and the Neural Network Applications in Agriculture (NNAA) workshop / Lokhorst, C., Udink ten Cate, A.J., Dijkhuizen, A.A., VIAS (Agro - informaticareeks nr. 10) - p. 556 - 561.
    An integrated process automation and management system on a dairy experimental farm
    Achten, J.M.F.H. ; Janssen, H.J.J. ; Bijkerk, R. ; Kroeze, G.H. ; Ettema, F.H. - \ 1996
    In: Information and communication technology applications in agriculture : state of the art and future perspectives : proceedings [of the] 6th International Congress for Computer Technology in Agriculture (ICCTA '96) including the 10th VIAS anniversary symposium and the Neural Network Applications in Agriculture (NNAA) workshop / Lokhorst, C., Udink ten Cate, A.J., Dijkhuizen, A.A., VIAS (Agro - informaticareeks nr. 10) - p. 592 - 597.
    Decision support by a knowledge-based analytical fisheries economics data base
    Dol, W. ; Einhaus, N.F. ; Hennen, W.H.G.J. ; Salz, P. ; Verwaart, D. - \ 1996
    In: Information and communication technology applications in agriculture : state of the art and future perspectives : proceedings [of the] 6th International Congress for Computer Technology in Agriculture (ICCTA '96) including the 10th VIAS anniversary symposium and the Neural Network Applications in Agriculture (NNAA) workshop / Lokhorst, C., Udink ten Cate, A.J., Dijkhuizen, A.A., VIAS (Agro - informaticareeks nr. 10) - p. 601 - 603.
    Incremental improvement of the software development process within the Dutch Agricultural Research Department
    Velden, M.J. van der; Hendriks, P.R.H. ; Wal, B. van der - \ 1996
    In: Information and communication technology applications in agriculture: state of the art and future perspectives; proceedings. Wageningen, VIAS, 1996. Agro-informaticareeks 10 / Lokhorst, C., Udink ten Cate, A.J., Dijkhuizen, A.A., - p. 374 - 378.
    In many research organizations, software development is becoming one of the most important support activities. A lot of research organizations, however, have no structural means to control the quality of the software they produce. Therefore, SC-DLO has started a project to improve its software engineering activities. The project can be characterized as a mixture of software engineering and organizational change. The results show that, to sustainable improvement, the development of the organization ismore important than achieving technical results.
    Assessment of animal welfare in husbandry systems
    Bracke, M.B.M. ; Metz, J.H.M. ; Udink ten Cate, A.J. - \ 1996
    In: 4th International Livestock Farming Systems Symposium, 22-23 August 1996, Foulum, Denmark, 7 pp
    Modelling animal welfare by structural decomposition (Abstract)
    Bracke, M.B.M. ; Metz, J.H.M. ; Udink ten Cate, A.J. - \ 1996
    In: Proceedings of the 30th International Congress of the International Society for Applied Ethology, 14-17 August 1996, Guelph, Ontario, Canada - p. 81 - 81.
    Computerized central farm analysis based on the farm comparison of Uniform-DairyTRACK
    Kroeze, G.H. ; Lokhorst, C. ; Beek, H.J. van der; Vries, F. de - \ 1996
    In: Proceedings of the 6th International Congress for Computer Technology in Agriculture (ICCTA'96) including the 10th VIAS Anniversary Symposium and the Neural Network Applications in Agriculture (NNAA) Workshop, Eds. C. Lokhorst, A.J. Udink ten Cate andA.A. Dijkhuizen, Wageningen, The Netherlands, June 16-19, Agro Informatica 10 - p. 610 - 616.
    Information and Communication Technology Applications in Agriculture: state of the art and future perspectives : Proceedings of the 6th International Congress for Computer Technology in Agriculture (ICCTA'96)
    Lokhorst, C. ; Udink ten Cate, A.J. ; Dijkhuizen, A.A. - \ 1996
    Wageningen : VIAS - ISBN 9789072886101 - 716
    landbouwbedrijven - computers - minicomputers - microcomputers - gegevensverwerking - bedrijfsinformatiesystemen - machines - farms - computers - minicomputers - microcomputers - data processing - management information systems - machines
    Economic consequences of aberrations in the daily production process in aviary systems for laying hens
    Lokhorst, C. - \ 1996
    In: Proceedings of the 6th International Congress for Computer Technology in Agriculture (ICCTA'96) including the 10th VIAS Anniversary Symposium and the Neural Network Applications in Agriculture (NNAA) Workshop, Eds. C. Lokhorst, A.J. Udink ten Cate andA.A. Dijkhuizen, Wageningen, The Netherlands, June 16-19, Agro Informatica 10 - p. 330 - 336.
    Experiences with Neural Network Applications in Agriculture: Testing Expectations
    Verdenius, F. ; Timmermans, A.J.M. - \ 1996
    In: Proceedings of the 6th International Congress for Computer Technology in Agriculture / Lokhorst, C., Udink ten Cate, A.J., Dijkhuizen, A.A., - p. 102 - 110.
    Identifying potential benefits of information technology on dairy farms using an expert panel.
    Asseldonk, M.A.P.M. van; Huirne, R.B.M. ; Dijkhuizen, A.A. ; Beulens, A.J.M. ; Udink ten Cate, A.J. - \ 1996
    In: Proc. 6th Int. Congr. for Computer Technology in Agriculture, Wageningen: Information and communication technology applications in agriculture: state of the art and future perspectives, C. Lokhorst et al. (eds.). ICCTA, Wageningen. Agro-informaticareeks 10 - p. 135 - 141.
    Proceedings ICCTA '96/VIAS/NNAA congress on ICT applications in agriculture. Wageningen, June 16-19, 1996.
    Lokhorst, C. ; Udink ten Cate, A.J. ; Dijkhuizen, A.A. - \ 1996
    Unknown Publisher (Agro-Informaticareeks 10) - 716 p.
    Oestrus detection in dairy cattle with an optimized fuzzy inference system.
    Scholten, H. ; Eradus, W.J. ; Udink ten Cate, A.J. - \ 1996
    In: Preprints Int. Conf. on Signal processing applications and technology, Boston, USA, 1995, P. Peabody (ed.). DSP Associates, Boston, USA - p. 1831 - 1835.
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