As used in this chapter:
1. "Board" means the state board of animal health.
2. "Commissioner" means the agriculture commissioner.
3. "Destroy" means to condemn because of hog cholera under state authority and slaughter or otherwise kill as a result of or pursuant to such condemnation.
4. "Hog cholera" means the contagious, infectious, and communicable disease of swine commonly known as hog cholera.