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OLS Field Name OLS Field Data
Main Title Pathogenicity of 'Salmonella pullorum' in Northern Bobwhite Quail and Mallard Ducks.
Author Buckholz, P. S. ; Fairbrother, A. ;
CORP Author Corvallis Environmental Research Lab., OR. ;ManTech Environmental Technology, Inc., Corvallis, OR.
Publisher c1992
Year Published 1992
Report Number EPA/600/J-92/416;
Stock Number PB93-135739
Additional Subjects Pathology ; Ducks ; Salmonella infections ; Game birds ; Bacterial infections ; Lethal dose 50 ; Mortality ; Clinical chemistry ; Reprints ; Quail ; Salmonella pullorum ; Colinus virginianus ; Anas platyrhynchos ; Pathogenicity ; Pullorum disease ; Bacillary white diarrhea
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NTIS  PB93-135739 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/12/1993
Collation 11p
Abstract
Ten-day-old northern bobwhite quail and mallards were inoculated orally and intravenously with Salmonella pullorum at concentrations of one thousand to 10 billion colony-forming units/ml. The bacterium was found to be extremely virulent in young bobwhite during two experiments with 65-100% mortality; however, no mallards died or exhibited any signs of morbidity. Blood chemistry values and antibody titers of bobwhite were inconclusive due to high mortality rate. Significant differences (P<0.05) were observed in serum calcium, uric acid, and lactate dehydrogenase values of treated mallards, and antibody titers were detected as early as one week following inoculation in a pilot test. The bacterium was cultured from bobwhite feces and from liver, lungs, heart, kidneys, pancreas, and spleen tissues removed at necropsy; however, it was isolated only from liver tissue of four mallards. Tissues submitted by histopathological examination showed bobwhite to be severely affected. Small bacterial colonies were frequently found in the capillaries of various organs of the bobwhite, particularly in the heart and kidneys. Mallard tissues were found to be essentially normal except for slight vacuolar changes in the liver.