Johne’s Disease in Cow-Calf Herds with Dr. Cheryl Waldner

The Beef Cattle Health and Nutrition Podcast

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2y ago 39:51

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Dr. Cheryl Waldner from the Western College of Veterinary Medicine joins the podcast to discuss the challenges of controlling Johne's Disease on cow-calf herds and the results of some of her latest research.

https://www.beefresearch.ca/tools/johnes-disease-calculator\
0:00 – 2:25 Welcome and Introductions

2:26 – 3:02 What causes Johne’s Disease

3:03 – 7:11 How does the MAP bacteria spread from animal to animal?

7:12 – 10:02 Why is this disease so difficult to control in cow-calf herds?

10:03 – 12:39 How commonly are cows and herds infected?

12:40 – 16:21 What are the diagnostic tests that are available?

16:23 – 22:22 Factors to consider before starting a control strategy?

22:23 = 24:22 Differences in dairy herd control programs

24:23- 29:23 Deciding on a testing strategy for your herd

29:24 – 32:11 What else do we need to do beyond testing?

32:12 - 36:45 Biosecurity practices to prevent introducing Johnes into the herd

36:46 - 38:38 Johnes Testing Decision

38:39 – 39:50 Wrap up

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