§ 77-11-9 NMSA 1978

Whenever dangerous bulls of bad breed are found in any herd and remain there doing damage to the owner of said herd for the term of fifteen days, driving off or horning his own bulls, it shall be lawful for the owner or person in charge of said herd to geld any such dangerous, vicious, or low grade bull in order to avoid the damage which might be required from the owner of said herd: provided, that if the owner of said bull or bulls above mentioned is known, and it is within the power of the owner or herder of said herd, he shall notify the owner of said bull or bulls to take out or separate the same in order to avoid such damage.