WordNet (r) 3.0 (2006):

livestock
    n 1: any animals kept for use or profit [syn: livestock,
         stock, farm animal]

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "livestock":
   Animalia, and fish, animal kingdom, animal life, animality, beasts,
   beasts of field, beasts of prey, big game, birds, brute creation,
   cattle, domestic animals, fauna, furry creatures, game, small game,
   stock, wild animals, wildlife