PST 500 Suitable for the Treatment of Bacterial Infection in Poultry Composition: Trimethoprim ....... 80 gm Sulphadiazine ...... 400 gm Tylosin Tartrate ..... 20 gm Indication: A preparation of sulfonamide broad spectrum antibacterial activity and as synergistic they act as bactericidal even against those organism which are less sensitive to sulfonamides. The presence of T ylosin cut off the risks of mycoplasmosis. This combination has a wide spectrum of action covering Gram +ve and Gram -ve bacteria: E-coli, Coryza, Pullorum, T yphoid, Fowlcholera, Staphylococci, Streptococci Mycoplasma, Klebsiella, Proteus, Salmonella, Clostridium, Corynebacterium, Haemophilus, Omphalitis. It is seen that a little amount of egg yolk is sustained in early chicks that causes great mortality PST-500 gives total protection and stops the early chicks mortality. Dosage in Poultry: 1-2ml PST-500 oral solution / Gallon of drinking water daily for 3 to 5 consecutive days. Dosage in Livestock: 1ml PST-500 oral solution / 20 kg live body weight mixed in drinking water twice daily for 3 consecutive days. Toxicity: In poultry and livestock both upto 5 times of recommended daily dose is safe. Side Effects : On recommended dose no side effect. Packing: 100ml & 500ml