In this episode, we explore two critical but often misunderstood cattle diseases—Bovine Viral Diarrhea (BVD) and Johne's Disease (Yoni's)—with veterinarian Dr. Alli O'Meara. Whether you're a seasoned producer or new to livestock, understanding these illnesses is key to herd management, biosecurity, and herd longevity.
00:00 - Introduction to herd health topics with Dr. Alli O’Meara
02:15 - Dr. Alli’s background and her farm life balancing family and veterinary practice
04:45 - Deep dive into BVD: what it is, symptoms, and the importance of PI animals
07:50 - How BVD infects in utero and results in PI calves that shed virus for life
10:20 - Transmission routes of BVD — bodily secretions, semen, and environment
12:00 - Recognizing clinical signs of BVD and the importance of herd testing
14:30 - Vaccination discussion: types, timing, and protocol considerations
16:45 - When and how often to test for BVD — best practices for herd management
20:00 - Quarantine procedures after introducing new cattle to prevent BVD spread
22:30 - Recognizing and testing for Johne’s Disease (Yoni’s): signs, testing methods, and control
25:30 - How Johne’s transmits predominantly through manure and environmental exposure
28:15 - The long incubation period of Johne’s and when to test for early detection
31:00 - Biosecurity tips, herd hygiene, and managing infected animals
34:00 - Differences between infectious diseases in dairy versus beef herds
36:00 - The importance of veterinarian relationships and accurate testing in disease control
40:00 - Final thoughts on proactive herd management, education, and next steps
Remember: Regular herd testing, proper biosecurity, and consulting with your veterinarian are essential steps to safeguard your herd from these costly diseases. Don't hesitate to ask your vet questions—knowledge is your best tool in herd health management.
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