Weal-Tylocolis

Weal-Tylocolis is a highly effective, dual-action antibiotic formulation combining Tylosin and Colistin. It is specially designed for the treatment and prevention of respiratory and gastrointestinal infections in poultry caused by Gram-positive and Gram-negative bacteria. Its potent antibacterial properties help control CRD complex, airsacculitis, mycoplasmosis, and enteritis associated with E. coli and Salmonella.

Each gram contains:

  • Tylosin Tartrate – 100 gm per 1000 gm

  • Colistin Sulphate – 1200 MIU per 1000 gm

  • Chronic Respiratory Disease (CRD) Complex

  • Airsacculitis

  • Mycoplasmosis

  • Enteritis due to E. coli and Salmonella infections

  • Other infections caused by Gram-positive and Gram-negative bacteria sensitive to Tylosin and Colistin

  • Tylosin Tartrate: A macrolide antibiotic that inhibits bacterial protein synthesis, highly effective against Gram-positive bacteria and Mycoplasma species causing respiratory diseases.

  • Colistin Sulphate: A polymyxin antibiotic that disrupts bacterial cell membranes, particularly effective against Gram-negative bacteria such as E. coli and Salmonella.


The combination offers a synergistic antibacterial effect, targeting a broad range of pathogens simultaneously.

For Poultry:

  • 1 gm powder in 1–2 liters of drinking water

  • Duration: 3–5 days


Important: Medicated water should be prepared fresh daily.

  • Dual-spectrum coverage: Active against both Gram-positive and Gram-negative bacteria

  • Effective treatment for respiratory and intestinal infections

  • Rapid improvement in clinical symptoms

  • Helps reduce mortality and improve flock performance

  • Convenient administration through drinking water

  • Short withdrawal time (72 hours for meat and eggs)