Changes

'''Testing and culling''' of breeding stock is essential to ensure carriers are not present within a flock.

'''Testing and culling''' of breeding stock is essential to ensure carriers are not present within a flock.

No vaccine is available for ''B. ovis'' and vaccination against ''B. melitensis'' can interfere with serological diagnosis.

Vaccination is available against both ''Brucella'' species, but ''B. ovis'' vaccines are only widely used in New Zealand.

Any vaccination will interfere wih serological diagnosis and this should be considered.

==References==

==References==