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Photo of Reduction of pathogen load in the environment of pigs (Mycoplasma hyopneumoniae)

Ben Williams

Knowledge Transfer Senior Manager

AHDB Pork Knowledge Exchange

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Reduction of pathogen load in the environment of pigs (Mycoplasma hyopneumoniae)

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Research partner: Royal Veterinary College

Sponsor: AHDB Pork-funded studentship (Christopher Browne)

Duration: 2012 – 2015 

Aims and objectives

  • To identify novel and alternative methods to reduce pathogen load in the environment of pigs and reduce the use of antibiotics
  • To determine the efficiency of i) UVA activated photo-catalytic paints ii) Silver ion solutions and iii) UV-based air purification system against Mycoplasma hyopneumoniae (M. hyo) in the environment of pigs. 

Findings to date

  • The minimum effective dose of silver ions to successfully inhibit the growth of M. hyopneumoniae was determined; studies were carried out to assess the duration of the inhibitory effects
  • Four photocatalytic paints were tested under a range of UVA intensities, the results of the inhibitory effects of the paints, alongside the integrity, were considered when selecting the paint to use in vivo
  • The in vitro analysis has shown that both UVC and photocatalytic paints are effective at inhibiting growth of M. hyopneumoniae
  •         Further analysis is needed from the in vivo work to establish whether these methods may be of benefit to the pig industry 

Further information

Abstract (2016)

PhD seminar presentation (2013)

Rethinking the future of disease control; Innovation Conference (2013

Find out more about PhD student Christopher Browne here