Swine Research Days 2023 : non-French speakers welcome!


16/01/2023 17:40 | Articles Il y a 1 an et 10 jours

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16 9 Jrp 2023

55th JRP : Tuesday 31 January and Wednesday 1 February 2023
in Saint Malo (Brittany) 

In 2 days: more than 120 communications
including more than 40 oral presentations and nearly 80 posters

Simultaneous translation into English of the oral interventions and abstracts in English of all publications in the book. 
3 bilingual interpreters and headsets are available at the reception desk… at no extra charge: take advantage of it! 
Non-French speaking participants are welcome!

Tuesday 31 January 2023

10h-11h15 – Economics

Oral interventions

  1. Evolution, diversity and typology of pig farms in France: lessons from the 2020 agricultural census and comparison with the 2010 and 2000 censuses
  2. Impact of working conditions on the attractiveness of working as an employee in pig farming
  3. Study of social feeling of conventional pig farming model using virtual reality
  4. Barriers and motivations of farmers towards pig farming systems with outdoor access
  5. Alternative pig farm buildings in Germany: technical choices, production costs and marketing of pigs


  1. Economic consequences expected for pig farms in case of an African Swine Fever outbreak
  2. Evaluation of potential economic impacts of African swine fever on French pork prices and foreign trade
  3. Citizens’ expectations for outdoor access for farm animals
  4. What are the representations of trust dimensions between pig farmers and veterinarians?
11h15-12h30 – Animal Welfare

Oral interventions

  1. Impact of environmental enrichment of pregnant sows on their behavior and the transcriptional response of their blood immune cells
  2. Prediction of the activity pattern of lactating sows by image analysis, and relations with piglet survival and growth
  3. Contact voltages < 0.5 V in feeders and drinkers influence the behaviour and oxidative status of piglets
  4. Behaviour and physical integrity of pigs with uncut tails housed on slatted floors
  5. Variability in pig hair cortisol concentrations at the end of fattening: situation in 20 farrow-to finish farms


  1. Evaluation of effects of a standardized citrus extract on the intestinal microbiota and welfare of peripartum sows under commercial breeding conditions
  2. Effect of previous farrowing experience of sows on performances in temporary crating pens at the Crecom experimental farm
  3. Prediction of daily activity of gestating sows from manual video analysis periods
  4. Behaviour of gestating sows after a repeated feeding competition
  5. Short- and medium-term effects of different types of sounds on the behaviour of gestating sows
  6. Improvement of a tool to detect technical or health-related events at the scale of several groups of sows
  7. Myeloperoxidase activity increases during diarrhoea but does not change during social stress in weaned piglets
  8. Behaviour of fattening pigs in a rearing system with an outdoor courtyard
  9. Can the sexual behaviour of uncastrated male pigs be reduced by adding chasteberry (Vitex agnus castus) fruit powder to the feed?
  10. Gastric ulcers in pigs: characterization and prevalence
  11. Lighting levels in weaning and fattening rooms
14h-15h30 – Reproduction and breeding

Oral interventions

  1. Tooth resection: variability in pig production and ways to reduce its prevalence
  2. Pig departure strategy: a new tool to improve farmers’ performance
  3. A long interval since the last meal impairs farrowing progress in sows
  4. Relationship between the body condition and lactating performance of sows
  5. Construction of a decision support tool to optimize sow culling by farmers
  6. Development and evaluation of a sow herd model coupled with a bioclimatic model of gestation rooms


  1. Building a decision support system: important recommendations to consider
  2. Pre-weaning survival of supernumerary piglets: evaluation of farm management strategies using new functionalities of PertMat
  3. Modelling piglet growth during post-weaning
  4. Real-time combination of observed growth and feed intake performance with performance simulated by InraPorc® to apply precision feeding to growing pigs
  5. Creation of an alphabet book to understand the specific characteristics of organic pig production
  6. Herd practices and pathogen analysis on 10 pig farms in French Guyana
  7. Comparison of placenta metabolism at the end of gestation between Large White and Meishan sows
16h15-18h15 – Animal Nutrition

Oral interventions

  1. Characterisation of performances and the growth profile of entire or surgically castrated male pigs and assessment of their nutritional requirements
  2. Impact of zinc and copper intake on digestibility of minerals in growing pigs
  3. Effect of the level and digestibility of the protein fraction on the performance and gut health in weaned piglet
  4. Addition of biscuit meal to piglet feed: effects on appetite, performances and feeding behaviour
  5. Different sources of free methionine have similar efficiencies in post-weaning piglets according to a meta-analysis and meta-regression study
  6. A supply of Solanum glaucophyllum and Capsicum sp. increases sow and piglet performance
  7. Dynamics of bone mineralization in primiparous sows as a function of dietary phosphorus and calcium during lactation
  8. Effects of precision feeding and the “bump feeding” strategy in gestating sows on performances and body condition in sows monitored for the first two gestation-lactation cycles


  1. From solubilization to intestinal absorption of minerals: a complete in vitro digestion model
  2. Effects of calcium levels and increasing doses of phytase on phosphorus and calcium digestibilities, zootechnical performances and mineralization in weaned piglets
  3. Impact of the source and level of iron on the live performance and iron status of weaned pigs
  4. Effect of two sources of zinc on growth performance and gut health of piglets with a low or normal birth weight
  5. 1,25(OH)2D3-glycosides to alleviate consequences of the ban on zinc oxide at pharmaceutical levels in piglet diets
  6. Double encapsulation of bioactives to support piglet growth and health compared to a high level of zinc oxide
  7. Effects of chelated trace elements on growth performance and intestinal health in post-weaning piglets
  8. A micro-granulated combination of sweeteners and phytogenics to secure performance of piglets post-weaning
  9. A microencapsulated mixture of botanicals in piglets artificially infected with Escherichia coli F4 at weaning
  10. Effect of a dietary supply of double-buffered sodium butyrate on the zootechnical performance of weaned piglets
  11. Meta-analysis of effects of sodium butyrate supplementation on the performance and intestinal morphology of post-weaning piglets
  12. Impact of naked oats and bioactive supplements on growth and intestinal mucosa parameters of weaned piglets
  13. Salty vs. sugary food industry leftovers in post-weaning piglets: effects on gut microbiota and intestinal volatile fatty acid production
  14. A beta-mannanase enzyme used “On Top” improves the zootechnical performances and digestive health of post-weaning piglets under field conditions
  15. Adding biochar to the diet of post-weaned piglets increases the dry matter and carbon content of faeces
  16. Effect, before and after weaning, of feeding a piglet milk replacer along with a prestarter
  17. Supplementation with short-chain fructo-oligosaccharides (scFOS) limits infection caused by Escherichia coli in weaned piglets
  18. Is there an effect of the creep feeding method on growth performance, feed intake, and weight uniformity of pigs up to 9 weeks of age?
  19. Determining the isoleucine requirement of post-weaning piglets
  20. Variation in protein efficiency as assessed by DXA in barrows fed a protein-restricted diet
  21. Lucerne: an interesting source of dietary fibre for the intestinal health of pigs
  22. A metaproteomic approach to understand effects of deoxynivalenol and zearalenone on the porcine gut microbiome
  23. Effect of supplementation with a copper-exchanged clay on the growth performance of growing-finishing pigs restrictedly fed with a liquid feeding system
  24. A consensus bacterial phytase (PhyG) maintains performance of pigs (42-70 and 73-136 days of age) fed without inorganic phosphorus
  25. Bile acid profile in pigs fed different levels and sources of copper
  26. Predictions of body mineral content in gilts from mating to first parturition: evaluation of models
  27. Effect of 25-hydroxycholecalciferol supplementation on the vitamin D blood status of the sow and the farrowing process
  28. Effect of dietary fibre solubility in sows on farrowing duration, colostrum quality and offspring growth
  29. Influence of high-protein forage on performances of pregnant sows
  30. Transgenerational effect of Saccharomyces cerevisiae boulardii CNCM I-1079 applied to sows: impact on post-weaning piglet faecal microbiota and performance

Wednesday 1 February 2023

9h-10h30 – Environment

Oral interventions

  1. Effects of low-crude-protein diets on growing pig performance, the nitrogen balance and emissions in the barn
  2. Life cycle analysis of pig production – Effect of a reduction in dietary crude protein content and the origin of amino acids – Case study in northern Germany
  3. Review of the impact of protein nutrition on the carbon footprint of pig production: current state and perspectives
  4. Construction of a model to predict copper and zinc fluxes in pig production
  5. Factors associated with the environmental profile of pig farms


  1. Evaluating the effectiveness of aerogeothermy in filtering and conditioning the air entering swine buildings
  2. Eco-friendly feed formulation and associated environmental impacts of pig production
  3. Accuracy of predictions of pig manure composition by on-board infrared sensors on a manure tanker
  4. Calculator of the cost of reducing direct greenhouse gas emissions by changing the management of livestock manure
  5. Modelling of slurry pit temperature to evaluate impacts of cooling systems on ammonia emissions
11h15-13h – Genetics and meat quality

Oral interventions

  1. Perceptions of stakeholders involved in preserving local breeds – a survey by the GEroNIMO project
  2. An automated method for estimating genetics of activity levels in fattening pigs during weighing
  3. Genetic study of static and dynamic traits that characterise robustness in fattening pigs
  4. Genome editing applied on farm animals: at controversies’ crossroads
  5. Classification of pig carcasses according to muscle content in France and the European Union
  6. Study of factors associated with destructured meat


  1. Utility of using a caliper at insemination to measure the body condition of sows of different genetic types: influence on farrowing performances
  2. Near‐infrared spectrometry: a tool to differentiate pigs according to their diet and predict the fatty-acid composition of pork
  3. Estimation of genetic parameters in a new line using two methods
  4. Study of genetic parameters of the PSE-like defect in the Pietrain breed 
  5. Muscle gain and feed-to-muscle-gain ratio measured by computed tomography in pig selection
  6. Genetic effect on the prediction of muscle content of purebred pig carcasses
  7. Age effect on genetic parameters of digestibility coefficients
14h30-16h45 – Animal health

Oral interventions

  1. Communication and social representations: an application for reducing antibiotic use in farm
  2. Participatory approach to optimize antibiotic use to guarantee the health and welfare of pigs and poultry
  3. Genetic predisposition and expression of tail biting behaviour in relation to individual pig characteristics
  4. Prediction of body temperature of gestating sows using a thermal camera
  5. Effects of three fusariotoxins (beauvericin, enniatins and deoxynivalenol), alone or in combination, on piglet health and performances
  6. Efficacy of a yeast fraction enriched with β-glucans in reducing toxic effects induced by deoxynivalenol in vitro and ex vivo
  7. Effects of two synbiotics fed to sows on sows health, as well as piglet’s health and performance
  8. The AHOL (Animal Health Ontology for Livestock) ontology for integrating data on the main diseases of farmed animals: an example in the pig sector


  1. Characterisation of pig farm profiles according to their biosecurity compliance level
  2. Health expenses of pig farms in Brittany in 2021
  3. Survey of the evolution of antibiotic use on 80 farms of the INAPORC Panel 2019
  4. ActionAntibio: a multi-sector online resource centre publishing the projects of the French Ecoantibio plans
  5. Key technical actions that can limit post-weaning diarrhea outbreaks
  6. Yeast-derived mannan-rich fraction as an alternative to zinc oxide to alleviate diarrhoea incidence and improve growth performance in weaned pigs
  7. Response of calcium and phosphorus metabolism to a DON-contaminated feed in piglets
  8. Use of porcine intestinal organoids to study the transmissible gastroenteritis virus
  9. Colonization by strains of Salmonella Typhimurium and Salmonella Rissen on a pig farm with recurrent clinical salmonellosis
  10. Impact of a non-enterotoxigenic Escherichia coli (non-ETEC) vaccine and supplementation with dietary mannan oligosaccharides (MOS) against post weaning diarrhoea (PWD) in weaned pigs
  11. Increase of methicillin-resistant Staphylococcus aureus prevalence in pig herds in France
  12. Effects of dietary supplementation of sows with synbiotics on health-related gene expression in piglet intestinal tissue
  13. Boosting innate immunity to sustainably prevent diseases
  14. Utility of a sound-based monitoring technology for early cough detection in a swine fattening unit
  15. Using physiological parameters to characterize intra-uterine growth restricted (IUGR) pigs

Registration fees before 7 January 2023 for the 2 days (all included: book, breaks, lunches, cocktail, replay): 460 € TTC then 520 € TTC for a registration after 6 January 2023
Speaker or exhibitor or INRAE, student (book, lunches, breaks and cocktail) : Tuesday 65 € / Wednesday 45 € / both days 85 €.
Session Chair, Organising Committee and Support Committee: Free of charge

Sponsors Jrp2023
Comité de soutien des 55es Journées de la Recherche Porcine


Claude Montariol

Responsable de la Communication de l'IFIP

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