Detective Senior Constable Wayne Ryan, of the Warrnambool police crime investigation unit, said that on Wednesday investigators from the Warrnambool CIU, the Warrnambool police divisional response unit and Camperdown uniform officers raided a property in the Skipton/Lismore/Berribank district.

"A search warrant was executed after the recent reported thefts of stock in the same district from late September through until mid December," he said.

"A stolen tandem trailer was located valued at $3000 and 48 ear tags which had been removed from sheep. A 16-year-old male youth was arrested in relation to theft of the trailer and possession of the stolen ear tags."

The youth was interviewed and has been charged with theft of the trailer, seven counts of theft of sheep valued at a total of $81,000 and serious driving offences.

Those offences included unlicensed driving and conduct endangering serious injury after he allegedly tried run a man off the road and rammed his vehicle. 

The youth was released on bail to appear in a children's court at a later date.

Police are also expected to investigate another alleged incident involving the youth overnight on Thursday.

Detective Senior Constable Ryan said information from the public had proved invaluable in the investigation.

"We would like to thank members of the community who contacted Crime Stoppers and local police which led to us being apply to apply for a search warrant," he said.