
05/28/08, 12:10 PM
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mostly LaManchas
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Join Date: Dec 2007
Location: Oregon
Posts: 1,004
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From the Washington State University CAE 2007 up-date site:
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The CAE virus is intimately associated with white blood cells; therefore, any body secretions which contain white blood cells are potential sources of virus to other goats in the herd.
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What are the major means of spread of the virus?
The CAE virus is primarily transmitted to kids via colostrum in the first few feedings after birth. Blood (e.g., contaminated instruments such as needles, dehorners, etc, and open wounds) is regarded as the second most common way of spread. Contact transmission between adult goats is considered to be rare except during lactation.
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What does a positive or negative mean?
A positive result means the goat has been infected with the CAE virus and has made antibodies reactive with the CAE antigens used in this test. This goat is regarded as potentially contagious for the virus, especially if lactating. The antibody against CAE is not a protective antibody, and although strong antibody reactions may be detected in this test, infectious virus can still be spread in milk and blood of this goat. As many as 90% of positive goats may be free of clinical signs of the disease, and remain so for years or life.
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http://www.vetmed.wsu.edu/depts_waddl/caefaq.aspx
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