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Autor:
Eszter Mátrai, Michael Hess, Győző Samu, Alasdair M. Wood, Susanne Richter, Barbara Jaskulska, Chris J. Morrow, Ákos Klausz
Publikováno v:
Avian Pathology. 37:527-535
In broiler breeder flocks in one broiler integration in Hungary, a new syndrome appeared in January 2005 with initially four successive post-peak flocks experiencing significant decreases in egg production. Clinically birds became depressed and there