Sánchez-Godoy F, Estrada-Arzate D, Torres-Torres AA, Chávez-Maya F, Lima-Melo A, García-Espinosa G. First report of psittacine beak and feather disease in imported budgerigar (Melopsittacus undulatus) chicks in Mexico. Brazilian Journal of Veterinary Pathology. 2020;13(2):549-554. doi:10.24070/bjvp.1983-0246.v13i2p549-554