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Economic Impact of Johne's Disease

Economics (Dairy)

Milking stall

A US study found that Johne's infected animals:

  • Gave on average 4,000 kg less milk in their lifetime
  • Were 5 times more likely to be lame
  • Were 2 times more likely to develop mastitis / SCC problems
  • Were 1.8 x more likely to develop digestive problems

Source: Villarano M.A. and Jordan E.R. (2005). Production effects of MAP in dairy cows. Proceedings of International Johne's conference.