finally a use for the stable and pasture.

src/time_system.nvgt

@@ -642,6 +642,7 @@ void update_time() {
         attempt_resident_snare_retrieval();
         attempt_resident_fishing();
         attempt_resident_fish_smoking();
+        attempt_livestock_production();
         if (current_hour == 6) {
             save_game_state();
         }