Suboptimal responses to E2/P4-based timed AI protocols compromise pregnancy outcomes in fertile beef cattle: Roles of ovulation timing and semen viability - César Augusto Pinzón-Osorio; Thomaz Kranen Cunha; German Holguin-Sanabria; Marco Alves Machado; Favorino José de Freitas Collares; Luís Henrique de Aguiar; Paula Rodriguez-Villamil; Felipe Ledur Ongaratto; Eduardo Pradebom da Silva; Eduardo de Oliveira Sanguinet; Carolina Silveira da Silva; Daiane Mentz; et al. (Animal Reproduction Science, 2026)