1. Additive and non-additive genetic effects on milk production in dairy cattle: evidence for major individual heterosis;Ahlborn-Breier;J. Dairy Sci.,1991
2. The effect of parity and litter size on birth weight and the effect of birth weight variations on weaning weight and pre-weaning survival in piglet;Akdag;J. Anim. Vet. Adv.,2009
3. Experiencias en la caracterización del cerdo Pampa Rocha de Uruguay;Barlocco;Agrociencia,2005
4. Bates, D., Maechler, M., Bolker, B., 2012. lme4: Linear mixed-effects models using S4 classes. R package version 0.999999-0. 〈http://CRAN.R-project.org/package=lme4〉
5. Bates, D., Vazquez, A.I., 2009. pedigreemm: Pedigree-based mixed-effects models. R package version 0.2-4. 〈http://CRAN.R-project.org/package=pedigreemm〉