Baytril Piglet Doser Dosage and administration Dose rate is 1.5 – 5 mg enrofloxacin/kg bodyweight daily. The contents of Baytril Piglet Doser are administered orally using the dosing pump. 1 pump stroke delivers 1 ml. For piglets up to 3 kg bodyweight – 1 ml once daily for 3 to 5 days For piglets 3 kg up to 10 kg bodyweight – 3 ml once daily for 3 to 5 days