Enrichment of high-quality spermatozoa in bovine semen: relative effectiveness of three filtration matrixes

To be practical, any method for improving bull semen must yield a large quantity of motile spermatozoa. Some separation methods based on physical properties, e.g. filtration, chromatography, centrifugation, washing and pooling, have been reported as satisfactory, but generally are not repeatable. Ne...

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