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Health%20%26%20Zoonotic%20Issues%20F%2710

Health%20%26%20Zoonotic%20Issues%20F%2710 - Animal Health...

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Click to edit Master subtitle style Animal Health and Diseases ANSC 10200 Department of Animal Sciences Purdue University
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Animal Health Management Contagious Diseases & Immunity National disease issues & agencies Zoonotic concerns Parasites Nutritional/metabolic diseases deficiencies/toxicities Predators
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Disease Defined and Classified Disease impairs normal body health, an illness or malady. Infectious diseases that are caused by microscopic germs Infectious diseases are caused by specific pathogenic agents: a) viruses b) bacteria c) fungi d) protozoa e) internal parasites f) external parasites
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Disease Defined and Classified Infectious is defined as one that is capable of causing an infection in the body. (such as bacteria or viruses) – i.e. tetanus Contagious infectious agent that may be readily transmitted from one body to another. L yme disease is an example. Viruses must reproduce inside the living cells of the host. Bacteria single cell organisms which reproduce by binary fission.
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Immunity - Passive Transfer Act of ingesting antibodies from colostrum and absorbing them whole into blood stream • Successful passive transfer depends on precise sequence of events – Antibodies must be present in colostrum – GI tract must absorb the large proteins whole- “pinocytosis”
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Environment & Disease Importance of clean environment can not be overstated. Newborns that have no exposure to disease causing organisms will not get sick- no matter what their immune status. However, neonates live where they will be exposed to some degree, so immunity is important Strong neonates develop active immunity to low levels of antigens
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Active Immunity to native environment or vaccines Antigens in the environment or
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