Funding for this research was provided by:
Australian Research Council (DP200100709)
Received: 4 August 2020
Accepted: 28 September 2020
First Online: 2 October 2020
Ethics approval and consent to participate
: As per Australian government legislation, animal ethics is not required for chicken embryos less than mid-gestation. All embryos examined here were “less than mid-gestation.”
: Not applicable.
: The authors declare that they have no competing interests.