[1]School of Environmental and Rural Science;
Faculty of Science;
Agriculture;
Business and Law;
University of New England;
Armidale;
NSW;
2351;
Australia;
[2]South Australian Research and Development Institute;
Roseworthy Campus;
University of Adelaide;
South Australia;
5371;
Australia;
[1]School of Environmental and Rural Science;
Faculty of Science;
Agriculture;
Business and Law;
University of New England;
Armidale;
NSW;
2351;
Australia;
[3]DSM Nutritional Products;
Singapore;
117440;
Singapore;
[1]School of Environmental and Rural Science;
Faculty of Science;
Agriculture;
Business and Law;
University of New England;
Armidale;
NSW;
2351;
Australia;
Poultry; Welfare; Feeding behaviour; Nutrition; Environmental enrichment;