Oaf, Gehan, Department of Food Hygiene, Animal Health Research Institute, Dokki, Giza, Egypt.
Obhođaš, Muamer, Clinical Department, University of Sarajevo – Veterinary Faculty, 71000 Sarajevo, Bosnia and Herzegovina.
Odhah, Mohammed Naji, Department of Veterinary Clinical Studies Faculty of Veterinary Medicine, Thamar University Yemen
Offoumon, La Fronde T.O., Laboratory of Ecology, Health and Animal Productions (LESPA), University of Parakou, Benin
Ohashi, Otávio, Institute of Biological Sciences, Federal University of Pará, R. Augusto Corrêa 1, 66075-110, Belém, Brazil.
Oheida, Aiman H, Faculty of Veterinary Medicine, University of Tripoli, Tripoli 13662, Libya
Oikawa, Shin
Okada, Keiji
OKANO, SHOZO, Laboratory of Small Animal Surgery2, School of Veterinary Medicine, Kitasato University, Towada, Aomori 034-8628, Japan.
Okeke, Ijeoma, Department of Zoology, University of Ibadan, Ibadan, Oyo State, Nigeria.
Oliveira, Ana, Department of Animal Science, Federal Rural University of Pernambuco, Recife, Pernambuco, 52171900, Brazil
Oliveira, Paula A., Departamento de Ciências Veterinárias, Escola de Ciências Agrárias e Veterinárias (ECAV), Universidade de Trás-os-Montes e Alto Douro, UTAD, Vila Real, Portugal.
Omar, Lamiaa, Central Laboratory for Evaluation of Veterinary Biologics, Abbasia, Ministry of Agriculture, Egypt.
Omar, Mosaab A. , Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, 51452 Qassim, Saudi Arabia.
Omar, Mosaab A. , Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, 51452 Qassim, Saudi Arabia. (Egypt)
Omar, Rania, Botany and Microbiology Department, Faculty of Science, Beni-Suef University, Beni-Suef 62511, Egypt.
Oo, Thandar
Orabi, Ahmed , Department of Virology, Faculty of Veterinary Medicine, Zagazig University, Egypt.
Orma, Ola A. , Department of Nutrition and Nutritional Deficiency Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt.
Orounladji, B. Michel, Centre International de Recherche-Développement sur l’Elevage en zone Subhumide (CIRDES), 01 P.O. Box 454 Bobo-Dioulasso 01 Burkina Faso
Osaki, Silvia Cristina, Universidade Federal do Paraná – Setor Palotina
Osama, Eman, Department of Pharmacology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 4451, Egypt
Osman, Ahmed E. , Department of Biochemistry, Faculty of Veterinary Medicine, Sohag University, Sohag 82524, Sohag, Egypt.
Osman Arimiyaw, Abubakari , Department of Fisheries & Aquatic Resources Management, University for Development Studies, P. O. Box TL 1882, Tamale – Ghana.
Othman, Ahdab , Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt.
Otify , Yehia , Department of Parasitology, Faculty of Veterinary Medicine, Alexandria University, Egypt.
Owais, Esraa A. , Department of Food Hygiene and Control, Faculty of Veterinary Medicine, Cairo University, Egypt.
Ownagh, Abdolghaffar, Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
Oyeyemi, Oyetunde, Department of Biological Sciences, University of Medical Sciences, Ondo City, Ondo State, Nigeria.

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