February 15, 2011

10 h GENETIC and QUALITTY OF PRODUCTS 

Presentations

• Estimation of the racial composition of the DRC line, a composite line based on Duroc, by pedigree- and molecular-based analyses.
• Characterisation of genetic components influencing the most important congenital disorders in pig
• Genomic selection : principles and possible uses in pig genetic improvement schemes
• Deciphering the genetic control of innate and adaptive immune responses in Large White pigs: a combined genetic and genomic study
• Genetic variability of transcript abundance in pig skeletal muscle at slaughtering: relationship with meat quality traits
• Pork quality as affected by pig breed : large White or Basque and by production system : conventional, alternative or extensive  

Posters

• Using gene expression data to predict the quality of pork
• Construction of a predictive model of shear force of cooked pig meat using high-throughput expression data.
• Multivariate analysis to compare pig meat quality traits according to breed and rearing system
• Gene expression in subcutaneous adipose tissue : differences between Large White and Basque pigs
• The influence of dietary conjugated linoleic acid (CLA) on meat quality and tissue fatty acid (FA) composition of finishing pigs
• Fast Analysis of Fat Tissues of Pork using Near Infrared Reflectance Spectroscopy
• Influence of plant antioxidant distribution length in a pig diet supplemented with n-3 fatty acid on lipid peroxidation in pork and pork products.
• Consumer acceptability of dry ham from entire male pigs, gilts or barrows.
• Genetic parameters and halothane genotype effect for residual feed intake in Piétrain growing pigs
• Genetic evaluation for piglet perinatal survival and piglet birth weight variability in the Canadian Swine Improvement Program

14h30 ANIMAL NUTRITION

Presentations

• Effect of long-term feeding and dry or liquid feeding on the use of rapeseed meal in pig fattening diets
• Consequences of reduced protein supply from weaning to slaughter
• Effect of the dietary net energy content on the spontaneous feed intake of growing-finishing pigs housed individually
• Effect of phosphorus and calcium depletion-repletion protocols on the digestive and metabolic utilization of phosphorus and calcium in growing pigs.
• Phytate – zinc interactions in piglets

 Posters

• Effects of benzoic acid and of the dietary Ca :P ratio on growth performance and bone breaking strength of weaned piglets
• Meta-analysis of phosphorus digestive and metabolic utilization by growing pigs : effect of dietary phosphorus, calcium and exogenous phytase
• Weaned piglets prefer diets with L-Lysine-HCl independently of their Lysine nutritional status
• Valine requirements of weaned piglets
• Sorghum fine grinding improves ileal digestibility of amino acids in growing pigs
• Utilisation of soybean meal in pig diets can be reduced through the formulation of low crude protein diets based on rapeseed meal and synthetic amino acids, including L-Valine
• Study of the nutritional value of a new wheat based bioethanol coproduct : the Weefirst
• Modeling growing pig feed intake as a function of body weight, according to the expression of daily intake

16h30-17h15 : Posters exhibition / Coffee break

Communications orales (suite)

6. Reproductive Performance of Sows is Affected by the Dietary Omega-6 to Omega-3 Fatty Acid Ratio
7. Effect of an unbalanced supply of branched-chain amino acids on feed intake and the post-prandial plasma kinetic of branched-chain amino acids and their ketoacids in piglets
8. Description, by meta-analysis approach, of the change in voluntary feed intake and growth in weaned piglets following a gastrointestinal bacterial infection
9. Prediction of total and insoluble dietary fiber content from the chemical composition of raw materials currently use in pig diets

Posters

9. The impact of breeding and feeding conditions during the post-weaning period on subsequent performance
10. Should the male pigs vaccinated against boar taint be restrictively fed after the secondary vaccination?
11. Influence of a 15 % rapeseed meal inclusion in phase 2 diets, and of the competition degree, on piglet performance
12. Effect of a new xylanase/ß-glucanase combination on the performance of piglets fed wheat/barley-based diets

February 16, 2011 

8h30 ANIMAL WELFARE, BREEDING MANAGEMENT and PRODUCTION

Presentations

• Prediction of the effect of an increase in the space availability on the activity and exploration behaviour of pigs raised under enriched conditions
• Consequences of rearing entire males on the human-animal relationship in a conventional and an enriched environment
• Group housing of sows. Practices in herds in the West of France
• Does group housing increase the risk of reproduction troubles among French sow herds?

Posters

• Evolution of weight heterogeneity within groups of growing pigs depending on initial weight heterogeneity and pen density
• Divergent selection for residual feed intake in growing pigs: phenotypic characteristics of physical and behavioural activity in groups according to line and sex.
• Chain-based objects used as enrichment materials: effects on behavior and lesions of fattening pigs
• Development of a method to measure body posture of pigs to evaluate their welfare
• Consequences of environmental enrichment on the sexual and behavioural development of entire and castrated male pigs
• Effect of growth rate levels on career of boars in artificial insemination studs.
• The use of trans-abdominal B-mode ultrasonography to check uterine involution in sows: validation of the technique

10h30-11 h : Posters exhibition / Coffee break

11 h - ENVIRONNEMENT

Presentations

• Impact of temperature control strategies on animal performance, gas emissions and energy requirements for grower-finisher pigs
• A simplified method to assess greenhouse gas and ammonia emission factors of fattening pigs
• Application of three different strategies to manage pig slurry in distinct study areas in the Spanish province of Aragon.

Posters

• The influence of energy and lysine content of growing pig diets on slurry characteristics and gas emissions.
• Comparative effects of two types of phytase added to a diet with reduced nutrient and energy content on the performance and digestibility of minerals in the weaned piglet.
• Anaerobic co-digestion of seaweed biomass (Ulva sp.) in association with pig slurry.
• Composting of the solid phase coming from the "V-shaded" "Prolap separator " scraper of a fattening piggery
• Influence of bowl drinker flow rate on water consumption and wastage by pigs from weaning to slaughter
• Improving working conditions by using medium pressure (40 bars) washers for pig farms cleaning 
  

14 h - ECONOMICS

Presentation

• One hundred and fifty sows breeding-and-fattening pig farms in Brittany : working conditions and regulation might challenge their future
• Growth and mutation of pig production in Northern Europe: the appearance of a new cross-border model
• Prospects of commodity feed markets: Prospective analysis of price differences of pig feed in the EU, USA and Brazil
• Features of households’ purchases of pork products in different retail channels

Posters

• Delegate saws breeding : an opportunity for farrowing to fattening breeders?
• Labour productivity in pig farms: European comparison and variation factors
• Characteristics of salaried women’s work in pig farms
• Salaried workers team securing factors
• Pork production’s image in Wallonia: analysis of the communication and social context

15h30 ANIMAL HEALTH

Presentations

• The adoption of a clean pig production system : a way that needs consideration in the French pig industry
• Biosecurity, health control, farming conception and management factors : impact on technical and economic performances
• Pandemic influenza virus H1N1 2009 in pigs : main issues, development of novel diagnostic tools and results of the surveillance conducted in France in 2009-2010

Posters

• Seroprevalence estimation of influenza viruses among slaughter-pigs in France in 2008-2009
• Assessment of four sampling methods to detect Mycoplasma hyopneumoniae in live pigs
• Biosecurity measures in pig herds : herd classification in West of France
• Effect of essential fatty acids supplementation in sow diet on weaned piglet’s inflammatory status.
• Blood cord metabolites as indicators of piglet’s vitality in hyperprolific sows
• Mixed blood cord cortisol is not a good indicator of piglets vitality
• Impacts PRRS Impacts on Hog Weight Variability and Revenues

16 h 50 End of the 43th Days of Swine Research