Image: Liz and Leo Cummins
Liz and Leo Cummins

Who we are

Dr Leo Cummins is a scientist who researched beef and sheep with the Victorian Department of Primary Industry at Hamilton, until his retirement in 2002. During his research career, he investigated high fecundity livestock systems, including Booroola sheep and cows producing twins using embryo transfer. While the cost of embryo transfer was hard to justify, the productivity and management of cows with twin calves looked very promising. Leo became aware of the Meat Animal Research Center (MARC) twinning herd from Nebraska which, through a process of selection over 30 plus years, has resulted in cows with a twinning rate of about 50 per cent.

Leo and Liz Cummins have been working with several other producers in the region to develop commercial herds of twinning cattle based on imported embryos and semen from the twinning research herd at MARC.

The first imported embryos were implanted into cows at “Ivanhoe” and “Conmurra Station” in 2004, and the progeny are now producing twin calves at a rate of about 50 per cent. We have made several other importations of both semen and embryos since then.

We Have Moved!

The “Ivanhoe” farm at Cavendish was sold in November 2018 and in January 2019 we shifted much of our herd to the new smaller farm at Byaduk North.

We felt the need to scale back a lot, so we have decided to finish up with the sheep but keep some twinner cattle going. We kept 54 pregnant cows, 14 weaner heifers, 3 bulls and 3 weaner bulls and calving has just started (as at 16 March 2019, all multiple births from the first 10 cows to calve, however there has been some dystocia due to posterior {reverse} presentation).

The rest of the pregnant cows and weaner heifers were sold to John Keiller from Cashmore Park at Portland. John already had some twinner cattle and we put some twinners on show during the Stock and Land Beef Week at his Heathmere property on 3/2/2019. Between us we are also putting together a data base of twinner cattle and are in discussions with AGBU (the Animal Genetics and Breeding Unit at UNE, Armidale) to carry out further genetic analysis.

We have made a number of visits to MARC in Nebraska over the years to discuss the twinners and review the herd with the scientists involved. We have directly purchased  bulls for semen collection and importation. We have also had close contact with Mr Al Joiner from the Cariboo region of British Columbia, a keen breeder of twinners and who has also been able to provide twinner embryos.

Contact us


Office Farm
36 Skene Street 6973 Hamilton-Port Fairy Road
Hamilton Byaduk North
Victoria 3300 Victoria 3300
AUSTRALIA AUSTRALIA
lizcummins1949@gmail.com leocummins46@gmail.com
Liz: 0438 741 223 Leo: 0408 328 195 Ph: + 61 3 55719086