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Biosecurity%20and%20Zoonosis

Biosecurity%20and%20Zoonosis - Biosecurity and Zoonosis VT...

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Unformatted text preview: Biosecurity and Zoonosis VT Beef Center January 2006 Each year the beef production class has an opportunity to work closely with the cattle at the beef center. Any time we bring people and animals together, two concerns emerge: Biosecuity and Zoonosis. The purpose of this document is to provide you with information and to get your assistance in maintaining Biosecurity and prevent any Zoonotic infections. Biosecurity: The concept of biosecririty is to keep new organisms off the farm and to keep existing orgainisms from leaving the farm. Perhaps one of the most spectacular recent examples was the Foot and MOuth Disease (FMD) outbreak in Great Britain. Severe restrictions were placed on movement of animals and people throughout the coantry. Even in the US, restrictions are placed on individuals visiting countries with FMD. For example, you can not visit a livestock operation here in the States for 5 days after returning from a country where FMD is a problem. So what do we do in the winter of 2006 for Biosecurity at the VT Beef Center. 1. Wear clean clothes i coveralls to the beef center. 2. Wear boots or shoes that can be cleaned or use plastic booties. 3. When leaving. clean your boots or shoes and use a separate set of coveralls or clothes if heading to another farm. Zoonosis: The definition of Zoonosis is a disease communicable from animals to humans or vice versa, under natural conditions. The plural telm is zoonoses. As you may have noted in the recent literature and media, several bacteria and parasites from livestock have been associated with human disease. Examples are E coii0157zH7, Campyiobacier. Salmonella, Crypfospofidia, and Avian Flu. Each one of these pathogen i livestock i human interactions is very complex but we will follow a few basic guidelines to protect human and animal health. Many of these organisms can be routinely fOund in cattle that appear healthy and thousands of farmers work with cattle on a daily basis without problems. However. we always want to remain vigilant because: 1. Cows and baby calves may appear normal but be shedding infectious organisms such as Salmonella or Crypiospon‘dla. This shedding can increase around calving for the following reasons: a. Giving birth is a stressor and baby calves are born with weak immune systems b. We have concentrated cattle within a barn to make observation easier, but this increases the number of organisms in the environment. 0. Students may have limited experience working with cattle or in barns Most of these pathogens are transmitted by the “fecal-oral" route, so what can we do to promote animal and human health 1. Make sure each calf gets colostrum ASAP 2. Make sure feed bunks, waterers, and feed alleys remain clean 3. Make sure you wash your hands 4. Do not eat in the ham or put your hands in your mouth (gum, snuff) until you have washed yOur hands . 5. if you have questions about any of this. ask Dr. Eversole, Christy McAvoy, or Chad Joines ...
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