Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (PD/BD/137655/2018, UIDB/50026/2020; UIDP/50026/2020)
Fundo Regional para a Ciência e Tecnologia (NORTE-01-0145-FEDER-000013; NORTE-01-0145-FEDER-000023)
fundação para a ciência e a tecnologia (PPBI-POCI-01-0145-FEDER-022122)
Received: 16 January 2021
Accepted: 7 July 2021
First Online: 17 July 2021
: This work was performed at the early stages of chicken embryonic development and, therefore, does not require ethical approval following the European Parliament Directive 2010/63/EU of 22 September 2010 and the Portuguese Directive 113/2013 of 7 August 2013 on the protection of animals used for scientific purposes.
: Not applicable.
: The authors declare that they have no competing interests.