Article Index "Johne's Disease" Article Index

Johne's Disease, (pronounced "Yo-nees") is a contagious bacterial disease of the intestinal tract caused by the bacteria Mycobacterium paratuberculosis. There are only two signs of Johne's Disease: diarrhea and rapid weight loss. In goats, diarrhea is less common. The goat will maintain a normal temperature but may appear unthrifty and weak in advanced stages of infection. The only way to confirm a diagnosis of Johne's Disease is through testing. Study and research is being done to determine the link between Johne's Disease in goats and Crohn's Disease in humans - both are characterized by the presence of M. paratuberculosis.

While it is fact that Johne's Disease can easily pass from goat to goat in a herd, some evidence suggests that a balanced mineral diet, with emphasis on copper, will greatly reduce the chance of a goat becoming infected. In the U.S. and many other countries abroad, the most common practice is to cull any animal that appears to be affected. However in Australia, more breeders are finding that goats properly supplemented with minerals have remarkedly improved from poor conditioning. Perhaps the best approach is to "test, supplement, test" and based upon test results, either keep or cull the goat(s) in question.

Related Articles

  • Johne's Disease in Sheep and Goats by William P. Shulaw, DVM, MS
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  • Recommendations for Diagnosis and Control by USAHA (1996)
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  • FAQ's by Dr. Michael Collins & Dr. Elizabeth Manning
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  • Control of Johne's Disease by Dr. Michael Collins & Dr. Elizabeth Manning
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  • Acid-Fast Stain by Dr. Michael Collins & Dr. Elizabeth Manning
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  • AGID Blood Test by Dr. Michael Collins & Dr. Elizabeth Manning
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  • Standard Culture Method by Dr. Michael Collins & Dr. Elizabeth Manning
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  • Johne's Disease: Diagnosis by Dr. Michael Collins & Dr. Elizabeth Manning
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  • Johne's Disease Information Center by Univ. Wisconsin School of Veterinary Medicine
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  • Johne's Disease by NC State University Cooperative Extension
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  • Goat (Caprine) Terminology by GoatWorld Visitors
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  • Agricultural Research Service

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