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Previously we demonstrated that addition of arginine, lysine and enzyme catalase to the tris buffer diluent (pH : 7.19) showed beneficial effect on motility and survival of honeybee (Apis mellifera L.) spermatozoa (V ERMA , 1978 a). Even after 9 months of storage at 14 °C, spermatozoa mixed with these diluents could be reactivated and normal spiral pattern of sperm motility was observed. With the addition of catalase, more number of spermatozoa reached spermatheca after inseminating the queen bee with semen mixed to this diluent (V ERMA , 1978 a). Amino acid analysis by NOVAK et al. (1960) showed that arginine, lysine and glutamic acid content of honeybee spermatozoa and seminal plasma was quite high. These studies suggest that like mammalian spermatozoa, the presence of amino acid and catalase facilitate the survival of honeybee spermatozoa. In the present investigation, the effect of added exogenous amino acids such as Llysine, L-arginine, L-glutamic acid and enzyme catalase on respiratory metabolism of honeybee spermatozoa was studied with Cartesian diver respirometry.

BIOLOGY OF HONEYBEE SPERMATOZOA. 3. EFFECT OF AMINO ACIDS AND CATALASE ON RESPIRATION AS MEASURED BY THE CARTESIAN DIVER TECHNIQUE