About the Authors

Roos Molenaar

mail@roosmolenaar.com

Affiliation HatchTech B.V., Veenendaal, The Netherlands

Joost J. G. C. van den Borne

Affiliation Animal Nutrition Group, Wageningen University, Wageningen, The Netherlands

Ewoud Hazejager

Affiliation Adaptation Physiology Group, Wageningen University, Wageningen, The Netherlands

Niels B. Kristensen

Affiliation Knowledge Centre for Agriculture, Aarhus N, Denmark

Marcel J. W. Heetkamp

Affiliation Adaptation Physiology Group, Wageningen University, Wageningen, The Netherlands

Ron Meijerhof

Affiliation Poultry Performance Plus, Voorst, The Netherlands

Bas Kemp

Affiliation Adaptation Physiology Group, Wageningen University, Wageningen, The Netherlands

Henry van den Brand

Affiliation Adaptation Physiology Group, Wageningen University, Wageningen, The Netherlands

Competing Interests

HatchTech supported this study. Roos Molenaar is employed as a senior scientist at the research department of HatchTech B.V. Ron Meijerhof is the owner of the company Poultry Performance Plus and does consultancy work in the poultry industry worldwide. Hatchery Lagerwey B.V. (Lunteren, the Netherlands) donated eggs and provided assistance. There are no patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: R. Molenaar JvdB EH HvdB. Performed the experiments: R. Molenaar EH. Analyzed the data: R. Molenaar. Contributed reagents/materials/analysis tools: MH NBK. Wrote the paper: R. Molenaar JvdB R. Meijerhof BK HvdB.