A report after an inquiry equine welfare in Queensland could be released as early as this week.

Former District Court Judge Terry Martin chaired the inquiry which was instigated by the state government after a story by the ABC's 7.30 Report in October.

The story highlighted the issue of managing the retirement of racehorses and pinpointed animal slaughter at the Meramist Abattoir at Caboolture in Queensland.

The inquiry was chartered to review the regulatory and oversight arrangements of abattoirs in Queensland.

It further looked at the management of retired racehorses in Queensland, including horses moved from interstate.

Judge Martin SC was supported by equine veterinary surgeon Dr Peter Reid.

The inquiry heard from a number of stakeholders and also took written submissions.

It is understood the report is ready for release within days.