This study investigated the Immunomodulating activity of Rhizopus nigricans meal with a view of comparing it with that exhibited by -glucan. The indicators of the immunomodulating activity employed in this study were: hormonal assay (testosterone estimation), testis homogenization (elongated spermatids evaluation) and internal organs histological examinations. R. nigricans meal supplementation ...

A bulk of studies on the assay of gonadotrophic hormone content of the anterior pituitary from the animals in various reproductive conditions has been done. Riley and Fraps(1942b) assayed pituitary glands from chickens in various reproductive stages, judging the gonadotrophic potency by the increment of uterine weights of immature mice, and concluded that glands from non-laying hens produced a ...