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

The Beef Cattle Health and Nutrition Podcast

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