Affiliation: | 1. National Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Giza 12618, Egypt;2. Friedrich-Loeffler-Institut, Federal Research Institute for AnimalHealth, 17493 GreifswaldInsel-Riems, Germany;3. Centre for Ecological and Evolutionary Synthesis, University of Oslo, P.O. Box 1066, NO-0316 Oslo, Norway |