LDC-CEVA Cevac IBird April 2015
CONTENT 1. Presentation of LDC group 2. French Infectious Bronchitis epidemiology 3. Actions 4. Monitoring implementation 5. Results
LDC - Overview Brittany 10 sites 1 700 employees 500 farmers Pays de Loire / Centre / Normandy 35 sites 9 600 employees 3 500 farmers Paris 2 sites 250 employees Aquitaine 2 sites 250 employees 100 fermers South-East 13 sites 2600 employees 1000 farmers A Group present in every poultry region in France Production sites in poultry production areas : Brittany, Loire Valley, Normandy, Burgundy, Aquitaine,
LDC - The Group Organization Poultry Division Convenience Division International (group Export) Upstream France Slaughterhouses France International Division POLAND SPAIN
LDC - Group Organization Eggs Grain Collect Poultry Poultry Direction : Gilles HUTTEPAIN
LDC Group organization The Products Upstream Division Turnover 610 M Number of farmers 1 440 Surface 1 970 000 m² Production of poultry In front of the Group needs 70 % Chicken 15 % Label rouge chicken 60 % Turkey 50 % Duck 40 % Guinea fowl 6 Tons Feed /year Poultry 780 000 T From which processed 700 000 T Collect Cereals/year 178 000 T Eggs/boxes/year 325 millions eggs Label Rouge, Free range, & Organic 150 millions eggs Standards 475 millions eggs From which 50% under brands Loué & Le Gaulois
Direction : Denis LAMBERT LDC - The Group Organization LDC Sablé+ CEPA Cavol
LDC - The group Organization The Products Poultry division France Turnover : 2,1 Bn Volume : 460 000 T Mix Product Poultry /week Mix customers Retail / HD 67 % Prof & Indust 25 % EXPORT 8 % 2 500 000 Standard chickens 150 000 Guinea fowls 1 000 000 Label chickens + Org 104 000 Rabbits 340 000 Certified chickens 300 000 Quails 390 000 Turkeys 40 000 Squabs 315 000 Ducks Further-processed products 1 500 T per week
LDC - Our Strategy : Innovations and Brands for a strong organic growth Poultry and convenience : synergy and complementarity in offers Convenience Further processed Cut ups Red Label Poultry Poultry
French Infectious bronchitis epidemiology 830 million broilers 43 million layers 45 millions turkeys 120 million ducks.multi species production Infectious bronchitis viruses are circulating. % of broiler production per department Need for a good viral protection
French Infectious bronchitis epidemiology Vaccination with Mass vaccine is done on 100 % of the birds, at the hatcheries. Field boosting with either 793 B or QX are applied according to veterinarian, integration or farmer decision related to IB perceived pressure or type of broilers produced (big birds). D0 D10-D14 D16-D20 IB Mass Strain (Hatchery) IB Variant Strain (Field vaccination) 793B/QX GUMBORO
French Infectious bronchitis epidemiology => Vaccination at the hatchery is not perceived as critical by the independant hatcheries => Field vaccination is usually applied by spray with no regular monitoring. Need for LDC -to get better control of vaccine & protection on the production. -to get better evaluation of epidemiological situation in real time 12
Actions : a new vaccination program Big birds Certified birds D0 D16-D20 IB Mass Strain + IB Variant strain (Cevac IBird). Hatchery GUMBORO HATCHERY IB Vaccination. Monitoring Implementation
Actions 230 different poultry houses In 2 regions from nov 14. Vaccination Mass & Cevac IBird spray day 1 7 different hatcheries Control of spray equipment & CHICK Program implementation 3 different organisations Monitoring of day 10 PVR & respiratory signs during growing period 3 different slaughterhouses
Monitoring implementation 230 different poultry houses In 2 regions from nov 14. Vaccination Mass & Cevac IBird spray day 1 7 different hatcheries Control of spray equipment & CHICK Program implementation 5 different organisations 3 different slaughterhouses Monitoring of day 10 PVR & respiratory signs during growing period Sampling & Analysis for epidemiological monitoring 10 Blood samples per flock : Biocheck Elisa Cecal tonsils: frozen and PCR analysis according to Elisa & farm results 15
Desvac In-Line sprayer Hatchery spray evaluation Desvac In-Line sprayer
Results : Safety 1 out of 230 flocks with mortality before 10 days, after veterinarian visit it was due to E coli infection 17
Results : IB ELISA MEAN TITERS
Results : IBV mapping October-December 2014, 28% of the farms are challenged by a field virus (T> 3000) No vaccination< 500 1000< «normal»< 3000 Doubtfull > 3000, high CV Field infection > 3000, low CV
No vaccination< 500 1000< «normal»< 3000 Doubtfull > 3000, high CV Field infection > 3000, low CV Results : IBV mapping December 14 February 15, 38% of the farms are challenged by a field virus (T> 3000)
Results : Some respiratory signs after 10 days in 9 out of 230 flocks : 1 IB titers OK 1 positive for ORT 1 positive for MS 2 IB PCR >0 no identification possible 4 IB PCR >0 for IBird, no conclusion other cause? 21
Conclusion Hatchery vaccination with Mass & Cevac IBird gave consistent seroconversion at slaughter It can be used as hatchery vaccination monitoring Hatchery spray application was improved with equipement setting & control Field virus circulation was detected between 28 % and 38% of the farms according to the period. Reinforced the need of a complete and well applied vaccination program in our production area. 22