Rabassa VR, Feijó JO, Pereira RA, et al. Metabolic and endocrine changes of hybrid boars (Landrace x Large White) during the first year of life and its relation to the establishment of puberty. Braz. J. Vet. Res. Anim. Sci. 2013;50(4):323-330. doi:10.11606/issn.2318-3659.v50i4p323-330