- Bovine herpes virus - 2 = Bovine herpes mammillitis virus
- May cause generalised disease - pseudolumpy skin
- Localised disease - bovine herpes mammillitis
- Mostly in lactating cows
- Skin trauma is essential for virus invasion
- Decreased milk production and secondary bacterial mastitis
- Lesion occur on teats, udder, sometimes perineum, on muzzle of suckling calves
- Bovine herpes virus - 4 = Bovine herpes mammary pustular dermatitis
- Similar to localised BHV-2 but milder disease
- Bovine herpes virus - 2 = Bovine herpes mammillitis virus