Effects of eCG dose and timing on estrus and ovulation in hair ewe-lambs of three breeds under dry-tropical conditions across two breeding seasons. - Pescador-Salas N; Hernández-Meléndez J; López-Aguirre D; López-Villalobos N; Lucero-Magaña FA; Trejo FJ; Del-Angel H; González-Reyna A; Vázquez-Armijo JF (Tropical animal health and production, 2026)