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Using meat inspection records to detect Mycoplasma bovis infections

V. Haapala, T. Herva, H. Härtel and others

The Veterinary Journal (2019) 249, 41–6

doi: 10.1016/j.tvjl.2019.04.015

• What did the research find?

The odds ratios for lung lesions were significantly higher for cattle from farms testing positive for Mycoplasma bovis and contact farms than for those from control farms. Specifically, the odds ratio for pleuritis was almost seven times higher for cattle from known M bovis-positive farms than for those from control farms. No association between M bovis infection and carcase weight was observed.

• How was it conducted?

Meat inspection records for a total of 80,677 animals were collected from two Finnish abattoirs in 2015. Numbers of pneumonia and pleuritis cases, age at slaughter and carcase weights were extracted. The animals were then categorised into three groups according to the known M bovis infection status of the farms from which the cattle originated: positive, contact or control. The association between lung …

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