& et al. H. EFFECT OF SWIM-UP AND GLASS WOOL TECHNIQUES, WITH ADDING ANTIOXIDANTS TO TRIS EXTENDER ON IMPROVING POST-CRYOPRESERVED TOTAL SPERM CHARACTERISTICS IN STRAW AND FREEZABILITY PERCENTAGE FOR LOW SEMEN QUALITY OF HOLSTEIN BULLS. Iraqi J. Agric. Sci. 2021;52(4):885-895. doi:10.36103/ijas.v52i4.1396