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How to spot bovine TB

How to spot bovine TB:

  • it is hard to spot bovine TB as the signs are similar to other diseases and normally only develop in advanced stages of infection
  • the disease is normally picked up in the compulsory cattle testing programme before clinical signs develop. Occasionally it is also detected during inspections of slaughtered cattle.

But you should look out for cattle that:

  • keep getting thinner
  • have a light fever that keeps coming back
  • are weak and have a reduced appetite

Some infected cattle will also have:

  • swollen lymph nodes, for example in the neck
  • a moist cough that gets worse in the morning and during cold weather or exercise
  • chronic mastitis (an infection of the udder that is not cured by the conventional antibiotic therapy)
  • risk to humans

Humans can catch bovine TB through:

  • unpasteurised milk or dairy products from an infected cow, buffalo, goat or sheep
  • inhaling bacteria breathed out by infected animals
  • inhaling bacteria released from the carcasses of infected animals or from their excretions (such as faeces)
  • infection is more likely if an unprotected wound is exposed to bacteria from an infected animal
  • but the risk of infection is very low for the vast majority of the population
  • symptoms are similar to human TB, including weight loss, fever, night sweats and a persistent cough. If you develop these symptoms consult a doctor. The disease can be treated by a complex combination of drugs over a long period

How to reduce the risk of infection

To avoid infection:

  • isolate suspect animals and their carcasses
  • do not get too close to the heads of infected animals or hold them
  • avoid unpasteurised milk from suspect animals
  • wash your hands regularly, especially before eating and smoking
  • don’t eat, drink or smoke in animal areas

How Bovine TB is spread:

  • bovine TB is mainly spread into new herds through the movement of infected cattle that have not been detected
  • in the west of England and parts of Wales the disease is also spread from infected badgers to other animals, including cattle, and vice versa
  • infected animals spread the disease mainly through coughing and sneezing. Bacteria are released into the air and inhaled by other animals in close contact

The disease can also be spread:

  • from infected cows to their offspring during suckling and, much more rarely, in the womb
  • through contaminated equipment, animal waste, feed and pasture
  • preventing and controlling bovine TB
  • preventing bovine TB
  • there are a range of controls in place to reduce the spread of bovine TB. These controls form the basis of the strategy for achieving bovine TB free status for England