Kangaroo Island wool producers Alan and Janet Hall achieve highest weekly price in Australia

The wool sold at Melbourne in the week leading to November 13 measured 15.5 micron (super fine) and yielded a whopping 75 per cent. It fetched 1718 cents a kilogram greasy and is destined for Italian mills.

Elders district wool manager Marty Kay said the price was a result of many years breeding to achieve a line of such high quality.

"The management practice of not mulesing has given the trade the impetus to bid strongly on the lot as it ticks all the boxes for the Italian market," he said.

"The competition was strong right across the clip, as buyers chased wools with favourable test results.

"It has been a long time since a KI wool has topped the sale nationally and is hopefully as sign of bigger things to come."

Alan and Janet purchased Tony Bell's former property and moved to KI in January 2016 from Hallett in the Mid North.

"We've been breeding this line of wool for the past 18 years trying to get where we've got to today," Mr Hall said.

"It's doubly pleasing given I am approaching 70 and running out of time."

The Halls have been big advocates of animal welfare and have not mulesed their sheep since 2008.

"I believe it will become mandatory practice," he said.

The couple have a strong ethical approach when it comes to their animals, workers and property, and are accredited for ethical treatment by two audited systems, including Australian Wool Innovation.

This means they can brand their wool with an ethical code and achieve a premium price.

But despite Italian buyers insisting on ethical treatment, only 20 per cent of Australian wool producers are not mulesing, Mr Hall said.

"We've been vindicated for our approach and our efforts are now paying us back," he said.

They currently have a flock of 2400 and hope to increase that by 1000 over the next three years.

Mr Hall said making the move to KI with his flock had been a steep learning curve.

He and his sheep have had to adjust to higher rainfall and different nutrition.

"I've had to learn a whole new set of animal husbandry, but we're over that hurdle now and the flock has settled in extremely well," he said.

He wanted to give to credit to Richard Harkness of Superior Wool Merinos at Tintinara.

"I've been working with him for the past three years to lift our wool production," Mr Hall said.

"His progeny has played a big part in our success."

Mr Hall said he also wanted to start doing business with Merino breeders on KI and was able to purchase rams from Andrew Heinrich's Ella Matta Pastoral sale this year.