 During the next 25 years, Kilfoyle built a reputation as a successful owner-manager on a medium-sized property of on what was known as a "big man's frontier," increasingly dominated by companies and absentee proprietors.Having improved his beef Shorthorns with a strain of "milk" bulls acquired from Nestlé & Anglo Swiss Condensed Milk Co. (Australasia) Ltd., he put his profits into improving the property by fencing, paddocking and providing watering-places.A federal board of inquiry into land policy in 1937 praised Kilfoyle's thorough management and close supervision of Rosewood.