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Food Standards Agency

Saturday 4 July 2009

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Research Programme B15: List of Projects

Details of the Agency-funded projects under the Microbiological Safety of Eggs and Poultry research programme (B15).

B03008: Studies to identify critical points for infection of live birds or contamination of poultry carcasses with Campylobacter and Salmonella spp.

This research project aims to undertake a detailed audit of commercial chicken production and processing to determine when broiler chickens become infected with Campylobacter spp .

Results available.

B03010: Efficiency of water disinfection systems for broiler productions units

This research project aims to assess the relative importance of drinker systems to the infection rates of salmonella and campylobacter in poultry.

Results available.

B03012: Environmental survival of salmonella serotypes S typhimurium. DT104 and S. enteritidis PT4: the role of surface antigens

This research project aims to gain a better understanding of those factors affecting the survival of Salmonella spp. in dry environments.

Results available.

B03015: A study to examine the egg-to-egg variations in the growth of Salmonella spp. in egg contents

This research project will investigate the growth of salmonella in eggs.

Results available.

B03016: Cross contamination from the external surface of eggs in relation to risk of exposure to salmonella

This research project will investigate the risk of transfer of salmonella from the egg shell during food preparation.

Results available.

B03017: A review of commercial egg washing with particular emphasis on the control of salmonella

This research project will investigate the ability of egg washing to reduce the level of salmonella present on the shell.

Results available.

B03018: A pilot study to estimate the nature and extent of adherence to government guidance on safe egg use in the catering industry

This research project obtained preliminary data concerning the nature and extent of adherence to Government guidelines on the safe use of eggs in catering.

Results available.

B15001: Campylobacter spp. in housed broiler flocks: the influence of flock husbandry practices on the frequency of colonisation

This research project aims to investigate the theory that farmers who consistently produce positive flocks are more likely to have poor production scores.

B15003: To make recommendations on the best practical procedures to sample and test poultry flocks for salmonella

This research project identifies optimal sampling and testing procedures for the detection of Salmonella spp. on the broiler farm.

Results available.

B15004: Measures and best practice to minimise infection of remaining birds with campylobacter when broiler flocks are thinned

This research project will provide a general overview of current thinning practices on UK broiler farms and provide recommendations suitable for guidance on thinning procedures.

Results available.

B15005: Sampling regimes and microbiological methods for detecting thermophilic Campylobacter spp. in poultry on the farm before slaughter

This research project will recommend sampling and testing methods for on-farm and abattoir testing for campylobacters in broiler flocks.

B15008: Control of campylobacter in extensively reared chickens – an investigation of growth inhibition and inactivation of campylobacter by plant extracts

This research project will screen a shortlist of plant extracts (terpenes) in-vitro , both in pure culture and mixed culture using chicken caecal contents for anti-microbial activity against Campylobacter jejuni .

Results available.

B15009: Probiotic bacteria with anti-campylobacter activity

This research project is a systematic literature review to identify naturally occurring bacteria in the gut flora of chickens that have a protective effect against colonisation by campylobacter species.

Results available.

B15010: A systematic search for information on diet-based anti-Campylobacter intervention measures intended for chicken production

A possible approach to controlling Campylobacter colonisation in poultry is the use of dietary interventions to modify the intestinal bacterial flora of the chicken gut. The systematic literature review will identify potential diets and dietary components and their corresponding effect on the bacterial flora of the chicken gut.

Results available.

B15011: Multilocus sequence typing and analysis of campylobacter isolates from Food Standards Agency retail poultry surveys

This research project will characterise, by multilocus sequence typing (MLST), and analyse 1000 campylobacter isolates from Food Standards Agency retail poultry surveys (CLASSP study, Welsh/NI chicken survey, 2001 chicken survey).

Results available.

B15012 and B15013: The influences and therapeutic use of bacteriophage against campylobacter entering the human food chain

This research project will examine the populations of naturally occurring bacteriophages and how these influence the number of campylobacter entering the human food chain from poultry.

B15014: Review of current practices and recommendations for campylobacter reduction in extensively reared flocks

This research project reviews current farm practices used in the free range and organic sectors. Those practices thought to reduce the likelihood of chicken flocks becoming colonised with campylobacter will be investigated.

B15015/B15016/B15017: Host acute stress responses and the regulation of C. jejuni virulence in the avian gut

This research project will assess the effect of noradrenaline, produced by poultry in response to production stress, on Campylobacter jejuni gut colonisation in broiler chickens.

B15019: Review of current information on campylobacter in poultry other than chicken and how this may contribute to human cases

This research project is a literature review study to investigate the incidence of campylobacter in poultry other than chicken, at retail. Also the degree of overlap of human campylobacter subtypes with subtypes found in poultry other than chicken.

B15021/22: A nitric oxide responsive network in Campylobacter jejuni and its role in intracellular survival and resistance to nitrosative stresses.

This research project will examine how a newly discovered nitric oxide responsive regulator contributes to protection against nitrosative stress and intracellular survival of C. jejuni during infection.

B15024: An investigation of water treatment as an intervention to reduce Campylobacter on the poultry farm

B15025: A critical review of interventions and strategies (both biosecurity and non-biosecurity) to reduce campylobacter on the poultry farm

ZB00023: Review of testing and scheduling practices for salmonella and campylobacter undertaken by the UK poultry industry and to determine the factors affecting their use

This review aims to obtain detailed information on the current industry practise for testing and scheduling flocks for salmonella and campylobacter.

Results available.

ZB00030: Current status of, and future developments for, campylobacter biosecurity at the broiler farm

This review aims to obtain information on biosecurity measures for campylobacter at broiler farms

Results available.

ZB00033: Poultry transport crate hygiene

This review aims to provide information on current crate washing systems used by the UK industry.

Results available.

ZB00034: Biosecurity on the broiler farm as an anti-salmonella control measure

This review will provide information on current UK poultry practices for monitoring and controlling salmonella in broiler farms.

Results available.

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B15020: Evaluation of best practice recommendations to reduce Campylobacter incidence associated with thinning of broiler flocks.

This project aims to evaluate the effectiveness of thinning best practice recommendations in reducing the spread of Campylobacter in broilers at thin.

Results available.

B15027 and B15028: Molecular Mechanisms underlying the interartion of Salmonella Enteritidis with the Hen Oviduct and Survival in Eggs

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