Carvajal-Serna, M.; Cardozo, J. A.; Grajales-Lombana, H.; Cebrián-Pérez, J. A.; Muiño-Blanco, T. Sperm Quality and Seminal Plasma Proteins in Three Sheep Breeds under High Altitude and Tropical Conditions. Span J Agric Res 2018, 16, e0403.