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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    Economic evaluation of national identification and recording systems for pigs.
    Saatkamp, H.W. ; Dijkhuizen, A.A. ; Geers, R. ; Huirne, R.B.M. ; Noordhuizen, J.P.T.M. ; Goedseels, V. - \ 1997
    Preventive Veterinary Medicine 30 (1997). - ISSN 0167-5877 - p. 121 - 135.
    Four national identification and recording (I&R) systems for the Belgian pig industry were evaluated economically, using a computer simulation model. These systems were: (1) the previous system; (2) a revised system (based on the previous one); (3) a system based on electronic identification; (4) a system similar to (3) but which also allows electronic monitoring of individual pigs. The evaluation of the systems particularly concerned their use in the control of classical swine fever (CSF). Four factors have shown to be very influential in economic decision making with respect to I&R systems: (1) the economic losses per CSF epidemic; (2) the frequency of CSF epidemics; (3) the operational costs of the I&R system; (4) the possibility of additional use of the system besides CSF control. It was concluded that for the Belgian situation, replacement of the previous I&R system by the revised one is economically justifiable. Because of high operational costs, electronic identification systems are only economically feasible in very specific situations, e.g. when a higher degree of additional use is possible or with a relatively high frequency of CSF epidemics
    State-transition modelling of classical swine fever to evaluate national identification and recording systems - General aspects and model description.
    Saatkamp, H.W. ; Huirne, R.B.M. ; Geers, R. ; Dijkhuizen, A.A. ; Noordhuizen, J.P.T.M. ; Goedseels, V. - \ 1996
    Agricultural Systems 51 (1996). - ISSN 0308-521X - p. 215 - 236.
    A State-Transition simulation model was designed, aimed at evaluating national Identification and Recording systems (I and R systems) with respect to their epidemiological impact on outbreaks of Classical Swine Fever (CSF). In the model, a modified Markov chain approach was used to simulate between- herd spread of CSF. The model's basic inputs were data on I and R system, region and CSF control strategy. These inputs could be altered separately, allowing evaluation of various situations. General aspects related to the modelling approach were described, as were the model's main features. To study its credibility, the model was applied to CSF outbreaks in Belgium. The design and results of this application were described. The model was concluded to be a useful tool for decision support regarding improvement of national I and R systems.
    Simulation studies on the epidemiological impact of national identification and recording systems on the control of classical swine fever in Belgium.
    Saatkamp, H.W. ; Dijkhuizen, A.A. ; Geers, R. ; Huirne, R.B.M. ; Noordhuizen, J.P.T.M. ; Goedseels, V. - \ 1996
    Preventive Veterinary Medicine 26 (1996). - ISSN 0167-5877 - p. 119 - 132.
    A state-transition simulation model was used to study the impact of four different national identification and recording (I&R) systems on the control of classical swine fever (CSF) in Belgium: (1) the system currently used in Belgium; (2) a revised system which is about to be introduced in Belgium; (3) a system based on electronic identification; (4) a system similar to (3) but extended with electronic monitoring. The simulation model and the modelling approach are described in this paper. The main conclusions of the simulation studies were: (1) using the current I&R system, only strategies that include pre-emptive removal succeed in eradication of CSF in high-density regions; (2) the CSF control can be remarkably improved in high- and medium-density regions using the revised I&R system, hence introduction is justifiable on the grounds of CSF control; (3) more sophisticated electronic I&R systems can help to reduce the impact of CSF further, especially in high-density regions; (4) the CSF control strategy applied influences the effect of I&R system improvement; (5) critical aspects in CSF control are the tracing of carrier herds and the reduction of the so-called pre-period of the epidemic.
    Prospects of improvement of national identification and recording systems.
    Saatkamp, H.W. ; Huirne, R.B.M. ; Geers, R. ; Dijkhuizen, A.A. ; Noordhuizen, J.P.T.M. ; Goedseels, V. - \ 1995
    In: Proc. EC workshop on Animal health and related problems in densely populated livestock areas of the community, 1994, Dijkhuizen & Davies (eds.), Brussels - p. 141 - 153.
    National identification and recording systems for contagious animal disease control.
    Saatkamp, H.W. ; Geers, R. ; Noordhuizen, J.P.T.M. ; Dijkhuizen, A.A. ; Huirne, R.B.M. ; Goedseels, V. - \ 1995
    Livestock Production Science 43 (1995). - ISSN 0301-6226 - p. 253 - 264.
    Automated oestrus detection of sows with sensors for body temperature and physical activity.
    Geers, R. ; Janssens, S. ; Spoorenberg, J. ; Goedseels, V. ; Noordhuizen, J.P.T.M. ; Ville, H. ; Jourquin, J. - \ 1995
    In: Proc. ARBIP Conf., Kobe, Japan (1995) 7 pp
    The potential role of identification and recording systems for pigs in the control of classical swine fever: epidemiological and economic aspects.
    Saatkamp, H.W. ; Geers, R. ; Goedseels, V. ; Huirne, R.B.M. ; Dijkhuizen, A.A. ; Noordhuizen, J.P.T.M. - \ 1994
    In: Abstracts 45th Annual meeting Eur. Assoc. Animal Production, Edinburgh, UK - p. 317 - 317.
    The potential use of identification and recording systems in contagious disease control.
    Saatkamp, H.W. ; Huirne, R.B.M. ; Dijkhuizen, A.A. ; Geers, R. ; Noordhuizen, J.P.T.M. ; Goedseels, V. - \ 1994
    Kenya Veterinarian 18 (1994)2. - ISSN 0256-5161 - p. 391 - 393.
    The potential value of identification and recording systems in contagious disease control.
    Saatkamp, H.W. ; Huirne, R.B.M. ; Dijkhuizen, A.A. ; Geers, R. ; Noordhuizen, J.P.T.M. ; Goedseels, V. - \ 1994
    Kenya Veterinarian 18 (1994). - ISSN 0256-5161 - p. 391 - 393.
    The potential role of identification and recording systems for pigs in the control of classical swine fever outbreaks.
    Saatkamp, H.W. ; Huirne, R.B.M. ; Geers, R. ; Dijkhuizen, A.A. ; Noordhuizen, J.P.T.M. ; Goedseels, V. - \ 1993
    In: Proc. Ann. meeting Dutch Soc. Veterinary Epidemiology and Economics, A.R.W. Elbers (ed.). Boxtel, The Netherlands - p. 87 - 109.
    Epidemiological evaluation of the impact of four different identification and recording systems for pigs on the control of classical swine fever in Belgium.
    Saatkamp, H.W. ; Huirne, R.B.M. ; Dijkhuizen, A.A. ; Geers, R. ; Goedseels, V. ; Noordhuizen, J.P.T.M. - \ 1993
    In: Proc. Seminar Animal monitoring and identification: the European system AMIES, Frankfurt, Germany - p. 99 - 118.
    The influence of climatic environment on sows.
    Geers, R. ; Hel, W. van der; Goedseels, V. - \ 1987
    In: Energy metabolism in farm animals. Effects of housing, stress and disease / Verstegen, M.W.A., Henken, A.M., Dordrecht : Martinus Nijhoff - p. 105 - 114.
    Surface temperatures of growing pigs in relation to the duration of acclimation to air temperature or draught.
    Geers, R. ; Hel, W. van der; Verhagen, J. ; Verstegen, M.W.A. ; Goedseels, N. ; Brandsma, H.A. ; Henken, A.M. ; Schoeller, J. ; Berckmans, D. - \ 1987
    Journal of Thermal Biology 12 (1987). - ISSN 0306-4565 - p. 249 - 255.
    Relationships between transport conditions and the occurrence of cough in growing pigs.
    Geers, R. ; Goedseels, V. ; Laet, B. de; Verstegen, M.W.A. - \ 1986
    Journal of Thermal Biology 11 (1986). - ISSN 0306-4565 - p. 137 - 138.
    Relationship between transport conditions and the occurrence of cough of growing pigs
    Geers, R. ; Goedseels, V. ; Laet, B. de; Verstegen, M.W.A. - \ 1985
    In: Proc. Int. Symp. 100 Jahre Funktionelle Zoologie. Berlin - p. 36 - 104.
    Relationship between transport conditions and the occurrence of cough of growing pigs
    Geers, R. ; Goedseels, V. ; Laet, B. de; Verstegen, M.W.A. - \ 1985
    Journal of Animal Science 61 (1985)supp. 1 abs. 73. - ISSN 0021-8812 - p. 231 - 231.
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