... for poultry 3.100g,500g,1kg,. 4.oxytetracycline powder 20% WATER SOLUBLE POWDERComposition:Each gram powder contains: 200mg ... oral administration via the drinking water.Calves: 10-20 g per 200 kg bodyweight every 12 hours during 3 ... during 3-5 days.Poultry (broilers): 1-6 g per litre drinking water during 3-7 days.Poultry ... (laying hens): 1-3 g per litre drinking water during 3-5 days. ...