We have reported previously that injection of vitamin A could increases the blood antibody titers in rats immunized with sheep red blood cells (SRBC). Moreover, the titres remained at a high level during the period 8 weeks of observation. In the following study, we have observed the effect of oral administration of vitamin A on antibody formation in rats immunized with SRBC. A number of male Wi…
Investigations showed that vitamin A deficiency clearly reduced host resistance against various infections. On the other hand, some infections like measles reduced serum vitamin A levels. In a previous study, we have demonstrated that vitamin A administration increased specific titers in rats serum, immunized against sheep red blood cells. In this paper, we report the influence of vitamin A adm…