About Us

CHROME SHEEP STUDS is run by Matthew and Tanya Tonissen and staff, located just South West of Hamilton on Dartmoor – Hamilton Road (click here to see map). The property is on basalt soils in 700mm rainfall country.

Our stud ewe base consists of: 

  • 700 Mixed Aged Poll Dorset & Southie ewes
  • 1400 Mixed Aged Chromedale, Perendale & Coopworth ewes 
  • PLUS approx 1000 mated ewe lambs across all breeds

To back our stud we have a commercial flock of around 1500 Chromedale/Perendale ewes for Prime Lamb production.


CHROME SHEEP STUDS - Performance Recorded 

Our measurements include, but are not limited to;

  • Birth weight
  • Birth type e.g.single/twin
  • Rear type
  • Weaning weight
  • Muscle depth
  • Fat cover
  • Adult weight to limit adult ewe frame score
  • Temperament
  • Lambing ease
  • Gestation length - short GL is generally associated with lighter birth weight and improved lambing ease
  • WEC
  • Dag Score
  • Extensive AI & ET programs to maximize our genetic progress
  • Full Pedigrees on all Stud animals
  • Fully Lambplan recorded
  • Annual visual assessment of all Stud ewes


 Embryo Transfer in Action


Our Awards

  • Awarded the 2006 RASV Sheep Producer of the Year
  • 2006 RASV Young Farmer of the Year

See media releases


Latest News

Private Sale Rams


Chromedales, Perendales, Coopworths, ICON Poll Dorsets and ICON Southie rams are available now for private sale.

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South East Field Days

Friday 20th and Saturday 21st March at Lucindale.

SITE: 327 (Tregenza St)

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Chrome will be attending Lambex 1st - 4th July 2020 at Melbourne Showgrounds

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Hamilton Sheepvention 2nd - 4th August 2020

Chrome Sheep Studs will be having a display at Sheepvention situated in the Sheep Tech Marquee.

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Henty Field Days 15th-17th Sept 2020

 Chrome is heading to the Henty Machinery Field Days. Site 1047A Block V

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