About the Authors

Nadine Passlack

nadine.passlack@fu-berlin.de

Affiliation Institute of Animal Nutrition, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany

Jürgen Zentek

Affiliation Institute of Animal Nutrition, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NP JZ. Performed the experiments: NP. Analyzed the data: NP JZ. Wrote the paper: NP JZ.