About the Authors

Ali Khoddami

Roles Investigation, Methodology, Writing – review & editing

Affiliations Poultry Research Foundation, Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Camden NSW, Australia, Sydney Institute of Agriculture, Faculty of Science, The University of Sydney, Sydney NSW, Australia

Peter V. Chrystal

Roles Methodology, Writing – review & editing

Affiliation Baiada Poultry Pty Limited, Pendle Hill, NSW, Australia

Peter H. Selle

Roles Methodology, Writing – review & editing

Affiliation Poultry Research Foundation, Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Camden NSW, Australia

Sonia Yun Liu

Roles Conceptualization, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing

sonia.liu@sydney.edu.au

Affiliations Poultry Research Foundation, Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Camden NSW, Australia, School of Life and Environmental Sciences, Faculty of Science, The University of Sydney, Sydney NSW, Australia

Competing Interests

We have the following interests. The present study was funded by the Celestino Baiada Research Fellowship in Poultry Science, a generous donation to The University of Sydney by Baiada Poultry Pty Limited, Sydney, Australia who also provided the operating costs to conduct the present study. As a gift to The University of Sydney, the donor generously agreed to share research outcomes with the public. Mr Peter Chrystal, an employee of Baiada Pty Limited, contributed to the study design and diet formulation. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.