Tenn. Code Ann. § 66-20-105: Duration of lien on offspring

(a) The lien provided for in § 66-20-104 , so far as it affects the offspring of jacks and bulls shall exist for two (2) years from the birth of such offspring and so far as it affects rams and boars shall continue for twelve (12) months from the birth of such offspring.

(b) This section shall likewise include the service of any stud or stallion.