Mae’r profion mwy sensitif hyn yn darganfod yr haint yn gynt ac yn arafu lledaeniad y clefyd.  Disgwylir i nifer y gwartheg sy’n cael eu lladd gwympo dros amser o ganlyniad i ddefnyddio’r profion ac wrth i nifer y buchesi heintiedig barhau i gwympo.
This increased sensitivity of testing helps to identify infection sooner and reduces the spread of the disease. The number of cattle slaughtered is expected to fall over time as a result of this approach, and as the number of infected herds continues to reduce.