Funding for this research was provided by:
Agence Nationale de la Recherche (ANR-10-GENOM_BTV-015 UtOpIGe)
Received: 19 July 2019
Accepted: 31 January 2020
First Online: 11 February 2020
Ethics approval and consent to participate
: All information used in this study was collected from hens raised in the context of layer selection. These animals and the scientific investigations described herein are therefore not to be considered as experimental animals per se, as defined in EU 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 on the Novogen nucleus herd in compliance with national regulations pertaining to livestock production and according to procedures approved by the French Veterinary Services.
: Not applicable.
: The authors declare that they have no competing interests.