It seems probable that the glycosidases in spermatozoa and seminal plasma are involved in the fertilization process. In mammals, this possibility may be supported by the presence of several glycosidases, hyaluronidase and neuraminidase (Hartree & Srivastava, 1965; Srivastava, Adams & Hartree, 1965; Srivastava, Zaneveld & Williams, 1970; Srivastava, 1973), β-N-acetylglucosaminidase (Conchie & Mann, 1957), α-mannosidase (Conchie & Mann, 1957) and β-glucuronidase (Bernstein & Teichman, 1973) in sperm acrosomes. Although there is a detailed report by Conchie & Mann (1957) on glycosidases in mammalian semen, little work has been done on this group of enzymes in fowl semen. The present communication deals with normal activity levels of glycosidases in whole semen and in the spermatozoa of one breed of domestic fowl.
Semen was collected from ten White Leghorn males by the abdominal massage technique (Burrows
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