Pathogenicity of Salmonella Paratyphi A in Pullets
The pathogenicity of Salmonella Paratyphi Fitness A isolated at Debiwise Poultry Farm during a fulminating outbreak was tested.Twenty 16-week-old pullets were inoculated orally with 0.5 ml of 1.3 x 108 CFU/bird Salmonella Paratyphi A, while 20 others of the same age served as uninfected control.By the fourth day postinoculation (p.i.) dullness, ruf