Primeline Maternal
Primeline Maternal has built its reputation as the largest supplier of maternal genetics to the Australian lamb industry and today sits as the backbone of many of Australia’s leading lamb producers. Its success has been built on a clear commercial objective: combining advanced maternal performance with leading carcase traits in one consistent, reliable package that delivers outstanding trade lambs at a low cost of production.
The Primeline Maternal program is designed for producers building high-performing self-replacing flocks that must deliver in both production and product. The focus is not simply on breeding productive sheep, but on breeding sheep that suit modern lamb businesses — businesses that need fertility, growth, labour efficiency and strong market alignment working together.
Breeders focus on the development of high-performing self-replacing flocks, with key characteristics remaining:
– lambing as a yearling
– 100-day weaning weights above 40kg
– weaning rates above 140%
This combination of maternal strength and carcass relevance has made Primeline Maternal a trusted foundation for commercial producers targeting more kilograms of lamb, stronger flock efficiency and better fit with premium market requirements. It is a genetics program shaped by commercial reality and built for producers who need their sheep to perform from paddock to end market.
If you would like to discuss the integration of Primeline Maternal genetics into your flock, please contact Tom Bull at tom@lambpro.com.au or phone 0438 860 585. Rams are available between November and April each year.
Index Percentiles
High
Massive early lamb growth with 100-day weaning weights over 40kg.
140%+
Exceptional fertility and lamb survival in commercial conditions.
Moderate
Moderate ewe weight for highest efficiency (kg lamb weaned per ha).
Elite
High marbling and eye muscle combined with leading maternal traits.



