Visschers, Vivianne

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Visschers
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Vivianne
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Visschers, Vivianne

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2016 - 20182
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Autor:in: Dewulf, Jeroen × Thema: pig production ×

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  • Vorschaubild nicht verfügbar
    Publikation
    Application of multiblock modelling to identify key drivers for antimicrobial use in pig production in four European countries
    (Cambridge University Press, 2018) Backhans, Annette; Dewulf, Jeroen; Emanuelson, Ulf; Grosse Beilage, Elisabeth; Loesken, Svenja; Postma, Merel; Sjölund, Marie; Stärk, Katherina; Visschers, Vivianne; Belloc, Catherine; Collineau, Lucie; Bougeard, Stéphanie; Lehébel, Anne [in: Epidemiology and Infection]
    Antimicrobial use in pig farming is influenced by a range of risk factors, including herd characteristics, biosecurity level, farm performance, occurrence of clinical signs and vaccination scheme, as well as farmers’ attitudes and habits towards antimicrobial use. So far, the effect of these risk factors has been explored separately. Using an innovative method called multiblock partial least-squares regression, this study aimed to investigate, in a sample of 207 farrow-to-finish farms from Belgium, France, Germany and Sweden, the relative importance of the six above mentioned categories or ‘blocks’ of risk factors for antimicrobial use in pig production. Four country separate models were developed; they showed that all six blocks provided useful contribution to explaining antimicrobial use in at least one country. The occurrence of clinical signs, especially of respiratory and nervous diseases in fatteners, was one of the largest contributing blocks in all four countries, whereas the effect of the other blocks differed between countries. In terms of risk management, it suggests that a holistic and country-specific mitigation strategy is likely to be more effective. However, further research is needed to validate our findings in larger and more representative samples, as well as in other countries.
    01A - Beitrag in wissenschaftlicher Zeitschrift
  • Vorschaubild nicht verfügbar
    Publikation
    A comparison of pig farmers' and veterinarians' perceptions and intentions to reduce antimicrobial usage in six European countries
    (Wiley, 2016) Visschers, Vivianne; Backhans, Annette; Collineau, Lucie; Loesken, Svenja; Nielsen, Elisabeth; Postma, Merel; Belloc, Catherine; Dewulf, Jeroen; Emanuelson, Ulf; Grosse Beilage, Elisabeth; Siegrist, Michael; Sjölund, Marie; Stärk, Katherina [in: Zoonoses and Public Health]
    Antimicrobial (AM) resistance is an increasing problem in human and veterinary medicine. To manage this problem, the usage of AM should be reduced in pig farming, as well as in other areas. It is important to investigate the factors that influence both pig farmers' and veterinarians' intentions to reduce AM usage, which is a prerequisite for developing intervention measures. We conducted a mail survey among pig farmers (N = 1,294) and an online survey among veterinarians (N = 334) in Belgium, Denmark, France, Germany, Sweden and Switzerland. The farmers' survey assessed the perceived risks and benefits of and need for AM usage; the intention to reduce AM usage; farmers' efficacy (i.e. perception of their ability to reduce AM usage); support from their veterinarian; and the future reduction potential of AM usage. Additionally, self-reported reduction behaviours, the perceived farmers' barriers to reduce AM usage and relationships with farmers were assessed in the veterinarians' survey. The results showed that farmers and veterinarians had similar perceptions of the risks and benefits of AM usage. Veterinarians appeared to be more optimistic than pig farmers about reducing AM usage in pig farming. Farmers believed that their efficacy over AM reduction was relatively high. Farmers' intention to reduce AM usage and veterinarians' self-reported reduction behaviours were mainly associated with factors concerning the feasibility of reducing AM usage. To promote prudent AM usage, pig farmers should learn and experience how to reduce usage by applying alternative measures, whereas veterinarians should strengthen their advisory role and competencies to support and educate farmers.
    01A - Beitrag in wissenschaftlicher Zeitschrift