Joint Meeting of the 20Th Annual Conference of the European-Society-For-Domestic-Animal-Reproduction (Esdar) / 13Th Conference of the Spanish-Association-For-Animal-Reproduction (Aera), Date: OCT 27-29, 2016, Location: Lisbon, PORTUGAL, Sponsors: European Soc Domest Anim Reprod, Spanish Assoc Anim Reprod