JANESVILLE, WI (WTAQ) - Fifty-five goats were killed in a barn fire west of Janesville, and investigators are still trying to determine how it started.

Units responded to a farm on Highway 14 around 9:15 p.m. Saturday.

Total damage was estimated at $170,000. The barn became engulfed in flames soon after the initial firefighters arrived.

Four fire departments were eventually called to help. No persons were injured.

The smoke could be seen from a mile away, and traffic on Highway 14 was detoured for 5 hours while the blaze was being fought.