Martínez-Fresneda, L; O'Brien, E; López-Sebastian, A; Velázquez, R; Toledano-Díaz, A; Tesfaye, D; Schellander, K; García-Vázquez, Francisco-Alberto; Santiago-Moreno, J
(ELSEVIER SCIENCE INC, 2020-07)
In small ruminants, testosterone and prolactin plasma concentrations show circannual fluctuations as an adaptation mechanism to their seasonal breeding behavior. Sperm resistance to the freezing-thawing process shows ...