Funding for this research was provided by:
Agence Nationale de la Recherche et de la Technologie (2019/0936)
Received: 24 March 2022
Accepted: 12 January 2023
First Online: 25 January 2023
: All data were registered as part of the commercial and selection activities of Novogen (Plédran, France). Thus, the animals used in the scientific investigation described here are not considered as experimental animals as defined by European Union Directive 2010/63 and subsequent national application texts. Consequently, we did not seek ethical review or approval of this study regarding the use of experimental animals. All animals were reared in compliance with national regulations on livestock production and according to procedures approved by the French Veterinary Services.
: Not applicable.
: LB, NB, and PLR declare that they have no competing interests. JC and TB are employed by Novogen, a laying hen breeding company. The data are of commercial interest for Novogen, but this interest did not influence the results in this article. There are no patents, products in development, or marketed products associated with this research to declare.