Rabobank has launched an investigation after drought-hit farmer Debbie Viney told A Current Affair her bank manager said he'd "commit suicide" if he took over her property.

Ms Viney said she met Rabobank executive Peter Stevens at a farm show six years ago, where he told her he could give her a cheaper mortgage than the one she had.

She took him at his word and switched to Rabobank, a multinational bank that specialises in loans to farmers across the world.

Debbie Viney claims her bank manager told her he would "commit suicide" in her position. (9news)

At the beginning of the ongoing drought – the worst Australia has battled in a century – Ms Viney borrowed an extra $100,000 from the bank so she could sell off her stock.

However, she claims she soon received a call from Mr Stevens telling her that she had to stop as she was selling for less than bank valuation, and if she continued she would be put in receivership

Ms Viney said if she hadn't received that call, her property would have been fully de-stocked in time.

A Current Affair has a copy of a recording which appears to support Ms Viney's claim. (9news)

However, she said she has had to shoot "thousands" of head.

Rabobank denies Ms Viney was told to stop selling off her stock.

She claimed she then confronted Mr Stevens when he visited for a property inspection, and recorded a conversation in which he said he would "commit suicide" if he took over her Longreach area property at that moment.

Ms Viney said she met Rabobank executive Peter Stevens six years ago. (9news)

"I was shocked," she said.

"Why? Why even suggest it?"

Following the airing of a recording Ms Viney made of that conversation on last night's A Current Affair, Rabobank began investigating the incident.

Ms Viney claimed that after Mr Stevens' comment, she had thoughts of taking her own life. (9news)

"As previously advised, the bank attempted a full investigation into this matter in 2017, when we initially became aware of the allegations. However, Mrs Viney refused to provide us with evidence of the recording or any further information to assist us at that time," the bank said in a statement.

"Last night’s broadcast was the first time the bank had heard any of the taped conversation.

"The bank takes this allegation extremely seriously and is requesting a copy of the tape in order to conduct a full and thorough investigation.

Ms Viney claims she was forced to shoot thousands of her own cattle after Rabobank forbade her to sell them off. (9news)

"The bank employee featured in the story has been placed on leave while the investigation is undertaken."

The day after Mr Stevens' visit, Ms Viney had to shoot a pregnant cow and had two bullets left afterwards.

"I remember thinking, one of these and this will be over, and I was so sure if I shot myself, that was the answer," she said.

Cate Stuart claims the bank bullied her and her family off their farm. (9news)

Her son Darcey told A Current Affair she had said the thought passed through her mind.

He claimed he too had heard Mr Stevens' comment.

"It is not something to make light of," he said.

Both the Stuarts and the Vineys were customers of Rabobank. (9news)

Another Queensland grazier, Cate Stuart, has also criticised Rabobank after claiming her family were bullied off their farm.

The Stuart family purchased Mount Morris Station at Charleville 10 years ago.

They decided their herd would be too expensive to freight over from their old property, and decided to sell off their herd and buying another one at Mount Morris.

The Stuarts verbally confronted the receivers when they came on to the property. (9news)

Ms Stuart said the bank agreed to the idea, but just 10 days after their herd was sold, refused to let the family re-draw on their finances to buy any more.

"I was absolutely gutted," she said.

"And we are graziers, a grazier without cattle is no-one."

Britt Stuart said she thought her life was over when they were evicted from their land. (9news)

She said their account was frozen and, unable to operate, they were forced to default.

By October 2014 they were being evicted.

"They forget about us, but I won't forget or forgive what they've done," Ms Stuart's daughter Britt said.

Cate Stuart is now taking Rabobank to court. (9news)

"They stole my life."

Britt Stuart was just 21 at the time, and she said she thought her life was over.

"What part of picking out a tree and thinking about putting a bullet through your mouth, is looking for sympathy?" she said.

Federal MP Bob Katter said Australia's free banking was unprofessional and unrestricted. (9news)

"I didn't do it because I'm not going to let them win."

Cate Stuart is now taking Rabobank to court.

The bank has denied all allegations against it.

Farmers are battling the worst drought Australia has seen in a century. (9news)

Federal Queensland MP Bob Katter said Australia had "the most unprofessional, unrestricted free banking".

He said mental health issues were a vital issue in rural Australia.

"There's a farmer committing suicide every four days in this country," he said.

Farmers will take the stand at the banking Royal Commission in Brisbane next week.

Rabobank told A Current Affair it was cooperating fully with the commission.