Diseases affecting dairy cows

There are a range of diseases affecting dairy cows with different impacts on welfare, productivity and profitability, so it makes sense to have a good understanding of common conditions.

The list of potential diseases affecting dairy cows is almost endless with some diseases more significant than others.

Diseases may compromise animal welfare, limit productivity or add additional costs to your business.

The relative impact of different diseases depends on the health status of your herd so it is advisable to work with your vet to assess your own situation.

Below are the more common diseases affecting dairy cows along with clinical signs, transmission and treatment.

Bleeding calf syndrome


Bovine Tuberculosis

Bovine Ulcerative

Mammary Dermatitis

Bovine viral diarrhoea (BVD)


Calf Pneumonia

Campylobacter foetus venerealis

Digital dermatitis

Displaced Abomasum

E coli Diarrhoea



Foot and Mouth Disease

Infectious Bovine Rhinotracheitis

Johne’s Disease


Liver fluke


Mycoplasma Bovis

Neospora canium

Psoroptic mange


Sole ulcers
White Line Disease
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