Detailed programme

08:30–10:15

Session 5 – Welfare challenges

Chairpersons: Pavel Trefil, Sabine Gebhardt-Henrich

08:30–09:00

Embryo pain, stress, welfare
E. Decuypere 

09:00–09:15

Diet coarseness and stress during rearing affects toe pecking in laying hens
A. Mens, I. de Jong, R. Kwakkel

09:15–09:30

Assessment of hunger in broiler breeder pullets fed high-fibre diets or roughage
FM. Tahamtani, S. Steenfeldt, AB. Riber

09:30–09:45

Modelling broiler welfare – approaching space allowance by the combination of planimetric and behavioural data
I. Tiemann, SG. Gebhardt-Henrich, O. Mosbach-Schulz, I. de Jong, L. Keeling, AB. Riber, V. Michel

09:45–10:00

Elicitation of expert knowledge of the quantitative relation between stocking density in fast-growing broiler chickens and two animal-based measures: Foot pad dermatitis score and percent time spent walking
CR. Gimeno, I. Tiemann, I. de Jong, SG. Gebhardt-Henrich, L. Keeling, AB. Riber, A. Velarde, HH. Thulke, S. Ashe, D. Candiani, RG. Matas, M. Hempen, O. Mosbach-Schulz, Y. Van der Stede, M. Vitali, E. Bailly-Caumette, V. Michel

10:00–10:15

CRISPR/CAS9-mediated gene knock-out and gene editing as a biotechnological approach to chicken resistance to viral diseases
J. Hejnar, A. Koslová, P. Trefil, J. Mucksová, J. Plachý, V. Krchlíková, V. Kožich, J. Kalina, D. Elleder

10:15–10:45

Coffee break

10:45–12:15

Session 6 – Welfare of day-old chicks, including early nutrition and on-farm hatching

Chairpersons: Helena Wall, Virginie Michel

10:45–11:15

Are alternative hatching systems beneficial for chicken welfare?
AB. Riber, I. de Jong

11:15–11:30

On-farm hatching can improve welfare, chicks quality, breast yield and daily body weight gain
Y. Guyot, L. Ravon, A. Collin, LA. Guilloteau, L. Cornaille, E. Cailleau-Audouin, S. Métayer-Coustard, A. Redo, F. De Louw, C. Souchet, P. Rousseau, K. Germain, M. Quentin, A. Travel

11:30–11:45

On-farm hatching and contact with adult hen posthatch induce sex-dependent effects on performance and health in broiler chickens
LA. Guilloteau, A. Bertin, S. Crochet, C. Bagnard A. Hondelatte, L. Ravon, C. Schouler, K. Germain, A. Collin

11:45–12:00

Effects of hatching system factors on laying hen chicks in a step detour test
CMH. Broekmeulen, Y. Gómez, SG. Gebhardt-Henrich, MJ. Toscano

12:00–12:15

How do strain and maternal omega-3 fatty acids affect the reaction of layer offspring to a novel object?
R. Whittle, T. Widowski

12:15–13:45

Lunch

13:45–15:30

Session 7 – Fear and stress in poultry – identifying causes, preventive and mitigative strategies

Chairpersons: Inga Tiemann, Antonio Velarde

13:45–14:15

White hens are from Venus, Brown hens are from Mars – a review of strain differences in fear behaviour
T. Widowski, A. Rentsch, R. Whittle

14:15–14:30

Brown and white layer pullet hybrids show different fear responses towards humans, but what role does light during incubation play in that?
MWE. Manet, S. Kliphuis, RE. Nordquist, VC. Goerlich, FAM. Tuyttens, TB. Rodenburg

14:30–14:45

Could the live black soldier fly larvae supplementation affect the welfare of medium-growing chickens?
V. Bongiorno, M. Gariglio, V. Zambotto, EE. Cappone, I. Biasato, S. Bergagna, F. Gai, C. Coudron, A. Schiavone

14:45–15:00

Duration of scotoperiod has minimal effects on fearfulness responses of turkey hens
AN. Pullin, CR. Lewis, BN. Alig, JL. Grimes

15:00–15:15

Heat stress increases fluctuation asymmetry in broiler chickens
CL. Carvalho, P. Soster de Carvalho, B. Khalfi, I. Khan, AM. Martinez-Caja, F. Tuyttens, G. Antonissen

15:15–15:30

Influence of stocking density on measures of fear in conventional broiler chickens
S. Rasmussen, H. Yoder, M. Erasmus, AB. Riber

15:30–16:00

Coffee break

Session 8 – Open session

Chairpersons: Valentina Ferrante, Antonio Velarde

16:00–16:15

Transport of broilers during high ambient temperatures – A dose-response Relationship
LH. Laméris, JH. Bongers, WiW. Ursinus, DTHM. Sijm

16:15–16:30

Influence of container type, husbandry system/fattening method, conveyor belt speed and season on loading-related injuries in broilers
H. Louton, J. Unterholzner, A. Werner, A. Blaeske, M. Gotthart, M. Erhard, P. Schmidt, E. Rauch

16:30–16:45

Alternative gas mixtures to carbon dioxide in two phases in broiler chickens
A. Contreras-Jodar, DS. Rucinque, TJ. Gibson, V. Michel, A. Velarde

16:45–17:00

Welfare-related causes of mortality identified in a longitudinal study in Danish commercial layers
VP. Lund, I. Thoefner, FS. Scharling, LR. Nielsen, JP. Christensen

17:00–17:15

Impact of increased activity on woody breast prevalence in a fast and slow-growing broiler strain
C. Hisasaga, MM. Makagon

17:15–18:30

Poster session

17:15–18:15

WG9 annual meeting

19:45

Social dinner