1. Agerso Y, Sandvang D (2005) Class I integrons and tetracycline resistance genes in Alcaligenes, Arthrobacter and Pseudomonas spp. isolated from pigsties and manured soil. Appl Environ Microbiol 71:7941–7947. doi: 10.1128/AEM.71.12.7941-7947.2005
2. Akangbe FG, Adeleye IOA (2002) Effect of supplementation of poultry droppings meal on the live weight changes of West African dwarf sheep. In: Proceeding of 7th annual conference of the animal science association of Nigeria (ASAN). Abeokuta, Nigeria, pp 177–179
3. American Society for Microbiology (2001) Antimicrobial resistance: an ecological perspective. Report of an American Academy of Microbiology colloquium. July 16–18, 1999, San Juan, Puerto Rico. Available via DIALOG. http://www.asm.org/ASM/files/CCPAGECONTENT/docfilename/0000003761/Antimicrobialrpt [1]. pdf. Accessed 07/12/2008
4. Barrow GI, Feltham RKA (1999) Cowan and steel’s manual for the identification of medical bacteria, 3rd edn. Cambridge University Press, UK
5. Bauer AW, Kirby WMM, Sherris JC et al (1966) Antibiotic susceptibility testing by a standard single disc diffusion method. Am J Clin Pathol 45:493–496