1. Merka, William C., Poultry Extension, The University of Georgia, Athens, GA 30602. Personal communication.
2. Bacterial flora of poultry environment;Srivastava;Indian J. Microbiol.,1972
3. Role of litter in the transmission of Campylobacter jejuni;Montrose;Avian Dis.,1985
4. Bacteriological findings regarding the hygienic safety of poultry litter intended as an ingredient of feeds for ruminants;Ogonowski;Onderspoort J. Vet. Res.,1984
5. Dijkstra, R.G., 1979. Listeria monocytogenes in intestinal contents and faeces from healthy broilers of different ages and its potential danger for other animals. Pages 289–294 in: Problems of Listeriosis - Proc. of the Seventh International Symposium, Varna, 1977. National Agroindustrial Union Center for Scientific Information, Sofia, Bulgaria.