Johne's and Crohn's

Johne's and Crohn's - Chronic, progressive enteric disease...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chronic, progressive enteric disease of ruminants o affects dairy and beef cattle, goats, sheep Caused by Mycobacterium avium ssp. Paratuberculosis o degeneration of the ileum of the small intestine Characteristics : Aerobic Heat resistant Sequesters inside white blood cells How common is it? found worldwide United States Beef cows (7.8%) Dairy Cows (22%) Manifestation : Primary infection route: oral-fecal o also ingestion of contaminated milk or colostrums Incubation period = 2 to 5 years Extensive granulomatous inflammation in the ileum Clinical Signs : Mimic intestinal parasite infection Diarrhea Weight loss with appetite Unthrifty Substantial drops in production Infertility or reproductive difficulties Shedding in feces can exceed 10 billion organisms/1g of feces Death Why is Johnes a concern for dairy farmers?...
View Full Document

Page1 / 3

Johne's and Crohn's - Chronic, progressive enteric disease...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online