Comparative Sensitivities of Embryonating Chicken's Eggs and Primary Chicken Embryo Kidney and Liver Cell Cultures to Infectious Bronchitis Virus

presence of Salmonella and other enteric organisms. Poult. Sci. 34: 215, 1955. 4. Gray, D. F., P. F. Lewis, and C. J. R. Gorrie. Bone meal as a source of bovine salmonellosis. Austral. Vet. J. 34: 345-351, 1958. 5. Gray, D. F., O. C. Harley, and J. L. Noble. The ecology and control of Salmonella contamination in bonemeal. Austral. Vet. J. 36: 246-252, 1960. 6. Isa, J. M., B. R. Boycott, and E. Broughton. Survey of Salmonella contamination. Can. Vet. J. 4: 41-43, 1963. 7. Report of a working party of the Public Health Laboratory Service. Salmonella organisms in animal feeding stuffs. Monthly Bulletin of the Ministry of Health and The Public Health Laboratory Service 20: 73-85, 1961. 8. Watkins, J. R., A. I. Flowers, and L. C. Grumbles. Salmonella organisms in animal products used in poultry feeds. Avian Dis. 3: 290-301, 1959. 9. Wedman, E. E. Findings and recommendations of the United States Department of Agriculture task force on Salmonella in animal by-products and foods. Proc. 65th Annual Meeting of the United States Livestock Sanitary Assoc. 458-463, 1961. 10. Wright, M. L., G. W. Anderson, and N. A. Epps. Salmonella isolations from feed additives of animal origin. Can. J. Publ. Health. 53: 36, 1962.