| blood serum concentrations of selenium in female llamas (lama glama) in relationship to feeding practices, region of united states, reproductive stage, and health of offspring. | serum se and vitamin e concentrations were determined twice in each of 35 female llamas from a high-se region and 96 female llamas from a low-se region of the united states. the first determination was taken at a random time during gestation and the second shortly after parturition. at the time of postpartum sampling, a sample was also taken from the cria. dietary information was collected from each llama owner and a subjective estimate of strength and vigor was assigned by the owner to each cri ... | 1995 | 7601762 |