01/04/2026
🐄 BOVINE PAPILLOMAVIRUS (BPV) – UNDERSTANDING WARTS IN CATTLE 🦠
As a farmer, noticing unusual growths (warts) on your cattle can be worrying. One of the most common causes is Bovine Papillomavirus (BPV) — a viral infection that mainly affects young cattle but can occur at any age.
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Let’s break it down in detail 👇
🦠 WHAT IS BPV?
Bovine Papillomavirus is a virus that causes benign skin growths (papillomas or warts) in cattle. There are different types of BPV, each affecting different parts of the body such as the skin, teats, or even internal organs.
🔄 HOW DOES IT SPREAD?
BPV spreads easily within a herd through:
✔️ Direct contact with infected animals
✔️ Entry through cuts, wounds, or abrasions
✔️ Contaminated equipment (ear tagging tools, needles, ropes)
✔️ Milking machines and handlers’ hands
✔️ Crowded or poorly managed housing
⚠️ Young animals are more at risk because their immunity is still developing.
⚠️ SIGNS AND SYMPTOMS
Watch out for:
🔸 Small, rough lumps on the skin
🔸 Large cauliflower-like warts
🔸 Growths on:
- Head and neck
- Shoulders and back
- Udder and teats (very critical in dairy cows)
- Around eyes or mouth
🚨 In severe cases:
- Warts may bleed or get infected
- Pain during milking
- Reduced milk production
- Difficulty feeding (if mouth is affected)
🚨 POSSIBLE COMPLICATIONS
Although most warts are harmless, some cases may lead to:
❗ Secondary bacterial infections
❗ Interference with milking
❗ Spread across the whole herd
❗ Rarely, cancerous changes (especially when combined with bracken fern grazing)
🔬 DIAGNOSIS
✔️ Mostly based on physical observation
✔️ Lab tests are rarely needed unless complications arise
💊 TREATMENT OPTIONS
🟢 Good news: Most warts disappear naturally within 3–6 months as immunity develops.
However, for severe cases:
✔️ Surgical removal of large warts
✔️ Cryotherapy (freezing)
✔️ Use of autogenous vaccines (prepared from affected tissue)
✔️ Treat secondary infections with antibiotics (under vet guidance)
⚠️ Avoid cutting warts yourself without proper hygiene—it may spread infection.
🛡️ PREVENTION & CONTROL
Protect your herd with these practices:
✅ Isolate affected animals when possible
✅ Disinfect equipment regularly
✅ Avoid sharing needles
✅ Maintain clean milking procedures
✅ Control injuries that allow virus entry
✅ Provide proper nutrition to boost immunity
📌 FARMER’S PRACTICAL TIPS
✔️ Do not panic—most cases resolve naturally
✔️ Monitor udder and teat warts closely in dairy cows
✔️ Maintain strict hygiene on your farm
✔️ Consult a veterinarian if warts are spreading rapidly or interfering with production
📣 FINAL WORD
Bovine Papillomavirus is common but manageable. With good farm hygiene, proper nutrition, and close monitoring, you can protect your herd and maintain productivity.
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