Includes bibliographical references (leaves 98-128). / iv, 128 leaves, [22] leaves of plates : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Investigates protein secretion by bovine Sertoli cells in culture. Cultures were obtained from bulls at all stages of post natal development and from sexually mature animals. / Thesis (Ph.D.)--University of Adelaide, Dept. of Animal Sciences, 1987