2. Dowell, V. R., Jr. and Hawkins, T. M. 1973. Laboratory methods in anaerobic bacteriology. CDC laboratory manual. Centers for Disease Control, Atlanta, Ga. 92p.
3. Eklund, M. W. and Dowell, V. R., Jr. 1987. Avian Botulism. Charles C. Thomas Publisher, Springfield, Ill. 405 p.
4. Gross, W. B. and Smith, L. DS. 1971. Experimental botulism in gallinaceous birds. Avian Dis 15: 716-722.
5. Hauschild, A. H. W. and Hilsheimer, R. 1977. Enumeration of Clostridium botulinum spores in meats by a pour-plate procedure. Can. J. Microbiol. 23: 829-832.