ON FARM NORTHERN CATTLE REPRODUCTIVE EFFICIENCY8 No substitute for ‘just doing it’ Great outcomes are the result of great dedication. Merv and Jenny Wortley’s enviable beef herd mortality rate in WA’s extensive Kimberley region shows there’s no substitute for best practice management. SNAPSHOT:Merv and Jenny Wortley, l ‘Ruby Plains Station’ and ‘Sturt Creek’outstation, Halls Creek, WA Area: Enterprise: Livestock: Pasture: Soil: Rainfall: 9,501km² Breeding Brahman, 14,000 Buffel, spinifex,Black soil,Ruby Plains Charbray-cross and b rsreede ribbon and red gravel – 450mm; Coolibah composites Mitchell grasses,and sandySturt Creek (Murray Grey, Tulie, some Seca and pindan – 300mm Charbray, Brahman Verano stylos cross) weaners for growing out at other company properties; export heifers 20