| 摘要 |
Macrolide antibiotics tylosin, spiromycin, cleandomycin, magnamycin, and leucomycin in combination with aminoglycoside antibiotics tobramycin, apramycin, nebramycin 5, gentamicin and neomycin form synergistic compositions which inhibit the growth of mycoplasma in mammalian tissue cultures. Tylosin-apramycin compositions enhance the feed efficiency and weight gain in post weaned pigs and are useful in the control of Pasturella hemolytica an infectious organism in cattle.
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