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Background Information

Employment History


University of Wisconsin-Madison

Member, Department of Bacteriology

University of Wisconsin-Madison

University of Wisconsin Department of Bacteriology

Microbiology Teacher

University of Wisconsin

Member, Department of Bacteriology

University of Wisconsin

Bacteriology Professor

University of Wisconsin


Emeritus Lecturer In Microbiology
University of Wisconsin-Madison



The University of Texas-Austin

Web References (123 Total References)

Science -- Science Collections: Microbiology

www.sciencemag.org [cached]

Learn more about the tricks bacteria use to prosper almost everywhere on Earth in this Web text from microbiologist Kenneth Todar of the University of Wisconsin, Madison.

Recreational Water Illnesses, pseudomonas aeruginosa, swimmers ear, skin rash, Par Pool & Spa

www.parpool-spa.com [cached]

Kenneth Todar, University of Wisconsin-Madison, Department of Bacteriology

In his comprehensive and ...

medicaldude.com [cached]

In his comprehensive and highly readable online "Textbook of Bacteriology", Dr Kenneth Todar, an emeritus lecturer in Microbiology at the University of Wisconsin-Madison, calls this a "double hit", because "...we get antibiotics in our food and drinking water, and we meanwhile promote bacterial resistance".

For this reason, the European Union and other industrialized nations, have banned feeding antibiotics to animals, and recently, the US Food and Drug Administration (FDA) started urging farmers to limit their use of antibiotics. In fact, after decades of deliberation, it appears the FDA may be poised to issue its tightest guidelines yet on use of antibiotics in animals, with the intention of bringing to an end the use of the drugs simply to make animals grow faster.
Todar says that the "non-therapeutic use of antibiotics in livestock production makes up at least 60 per cent of the total antimicrobial production in the United States", so this is not a small thing.
Another industry that is starting to be a cause for concern is genetically modified crops, because some have antibiotic-resistant genes inserted as "markers". The marker genes are introduced into the crop plant during the early stages of development for scientific reasons (eg to help detect herbicide-resistant genes), but then serve no further purpose, and are left in the final product.
Some people have criticized this approach because they say it could be a way for microorganisms in the environment to acquire the antibiotic-resistant genes. Todar says that in some cases, these "marker genes confer resistance to front-line antibiotics such as the beta-lactams and aminoglycosides".

Root Canal Dangers - Article

www.davidhoward.com.au [cached]

12. Todar's Online Textbook of Bacteriology, Kenneth Todar, PhD 2008.

13. Journal of Nutrition Vol. 130 p.4105-4145 - PubMed.

Microbelibrary - Todar’s Online Textbook of Bacteriology

www.microbelibrary.org [cached]

Kenneth Todar created Todar's Online Textbook of Bacteriology based on online and live lectures he has presented in his bacteriology courses at the University of Wisconsin-Madison.

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