adjuvant. Previously, we have demonstrated that melatonin enhances antibody responses in
sheep vaccinated against Dichelobacter nodosus. Here, we analyze the effect of melatonin
on T and B lymphocyte subsets in peripheral blood of sheep vaccinated against D. nodosus.
We also compare the use of melatonin in implants and in injections. Melatonin
administration either as implants or by injection produced higher antibody titers against A1 …