gentamicin ( 2.5 microgram/ml ) , kanamycin ( 31.2 microgram/ml ) , neomycin ( 62.5 microgram/ml ) , and tobramycin ( 2.5 microgram/ml ) were the only antibacterials tested which controlled microbial growth without affecting sperm viability for up to 24 hr storage at 5 c .
C0022487
kanamycin
C0279516
antibacterials