Aussie couple lash out at media after being sentenced for bestiality against pet dog

Rebecca Thredgold leaves the District Court in Adelaide on Monday. Photo / News Ltd

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A South Australian ex-couple has lashed out at the media after they were sentenced for acts of bestiality involving their pet dog.

Police found 14 videos in a folder labelled "do not view - delete if we die" on the computer of former couple Kevin and Rebecca Thredgold.

The District Court heard the videos, filmed on three separate dates in March 2017, contained "highly unnatural" behaviour.

Sentencing the pair on Monday, Judge Simon Stretton described the offending as "gross and inappropriate conduct".

"Each of you had an active sex life and would explore new and different sexual behaviour with each other," he said.

"In that context, the current offending occurred.

"Each of you say that you undertook the activity primarily because you thought that the other was interested in doing so."

The former couple was each handed a four-month prison sentence, wholly suspended on a two-year, $2000 good behaviour bond.

Judge Stretton also ordered that they each complete 300 hours of community service within the next 18 months.

Rebecca Thredgold, wearing a face mask, left court with a supporter, who physically pushed away a photographer and told media "you're ruining my life".

Leaving separately to his ex-partner, Kevin Thredgold covered his face almost entirely and swore at the media.

The court heard earlier this month the videos were never distributed and were only discovered by police after Rebecca Thredgold handed over hard drives during an unrelated investigation.

Judge Stretton said the former couple each pleaded guilty and accepted responsibility for their part in the events depicted in the video and the case has brought them "extreme embarrassment and shame".

He said police who viewed the video reported the dog did not appear to be in pain or harmed by the couple's actions.

However, the judge said the charges were serious because they present an "affront to public dignity and norms of human behaviour".