Observation of Bacteria on Chicken and Handrail and the Effect of GermX® and Alcohol on Them. Sujit Bhimireddy, Daryl Onwuchuruba, Naveen Sood, and Manasa Tripuraneni Biology 106
Bacteria are found everywhere on this planet. This experiment is aimed at observing some of the bacteria that surround us in places that we use everyday. We will look at bacteria found on a piece of chicken and bacteria found on a handrail. The effectiveness of antibacterial substances such as GermX® and alcohol will be studied. Paper discs dipped in GermX® and alcohol will be placed on the plate and the zone of inhibition will be measured in order to compare with the control. Introduction
In this scientific study our group is conducting a study in order to see what type of bacteria would grow in two different environments and compare the environments in terms of bacterial growth. Our assigned environment was a piece of chicken. A study done by Dr. Norberg in 1981 showed that although the poultry business does a very effective job at disinfecting the chicken of salmonella, some other bacteria such as Yersinia enterocolitica are over-looked. Y. enterocolitica can survive cold temperature and can grow on the chicken while it is being refrigerated. Y. enterocolitica is pathogenic to humans (Brooks 2005). It is important to understand the different types of bacteria that are found on chicken because it is consumed as food and could affect the health of many people. This has great implications on the food industry.
For the environment of our choice we choose a handrail. The study conducted by Reynolds et. al on public surfaces like handrails indicated that fecal coliforms are prevalent (Reynolds 2005). This study is important because numerous people come in contact with these surfaces everyday. This study emphasizes the importance of practicing good sanitary measures such as washing hands regularly. E. coli is an example of a coliform bacteria.
Bibliography: Cash B D, Johnston M H. Yersinia Enterocolitica [home page on the Internet]. 2005 June 24. [cited n.d.].< http://www.emedicine.com/med/topic2434.htm.>
Morgan J G, Carter M. Symbiosis. Boston (MA): Pearson; 2005.
Norberg P. Enteropathogenic Bacteria in Frozen Chicken, APPLIED AND ENVIRONMENTAL MICROBIOLOGY 1981; 42 (1): 32-34.
Reynolds K A, Watt P M, Boone S A, Gerba C P. Occurrence of bacteria and biochemical markers on public, International Journal of Environmental Health Research 2005; 15 (3): 225-234.
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