Effects of antioxidant vitamins on newborn and placental traits in gestations at high altitude: comparative study in high and low altitude native sheep 

Distribution of keratins, vimentin, and actin in the testis of two South American camelids: Vicuna (Vicugna vicugna) and Llama (Lama glama). An immunohistochemical study 

Morphometric characterization and classification of alpaca sperm heads using the Sperm-Class Analyzer (R) computer-assisted system 

TESTOSTERONE DISPOSITION AFTER INTRAMUSCULAR INJECTION IN CASTRATED THOROUGHBRED RACE HORSES 

Fertility in a high-altitude environment is compromised by luteal dysfunction: the relative roles of hypoxia and oxidative stress 

Alpaca semen characteristics under free and directed mounts during a mating period 

Plasma progesterone in alpaca (Lama pacos) during pregnancy, parturition and early postpartum 

Variación anual de la concentración de testosterona plasmática en Chinchilla Laniger (Grey), en cautiverio 

Ovarian follicular dynamics and hormonal secretory profiles in guanacos (Lama guanicoe) 

Biological activity of the seminal plasma of alpacas, stimulus for the production of LH by pituitary cells