Sperm-bound amidase activity as a marker for acrosomal integrity in bull spermatozoa.


An assay for sperm-bound amidase activity was validated using bovine spermatozoa and N-benzoyl-DL-arginine p-nitroanilide as substrate. The assay had intra- and interassay coefficients of variations of 5 and 12%, respectively. It is an inexpensive, simple and rapid assay since 100 samples can be evaluated in 2 hours and it requires only 4 X 10(6… (More)


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