1. Department of Pharmacology Faculty of Veterinary Medicine Mansoura University El‐Mansoura Egypt
2. Reference Laboratory for Veterinary Quality Control on Poultry Production Animal Health Research Institute Giza Egypt
3. Mycoplasma Research Department Animal Health Research Institute Giza Egypt
4. Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics College of Veterinary Medicine Kyungpook National University Daegu Korea
5. Department of Biomedical Sciences College of Veterinary Medicine Iowa State University Ames IA USA