Donald Shaver search widely for diversified breeding stock. Local breeders, knowing his reputation were reluctant to sell to him for fear of competition. In 1946, there were 256 registered chicken breeders in Canada. Shaver Poultry became the 257th. By 1958, only Shaver remained, along with seven other major poultry breeders worldwide. The principle of hybrid vigour had been well established for corn, but the costs and time required to test chicken crosses were higher. Small breeders (as Shaver was at the time) could not afford permanent scientific staff, so Shaver obtained assistance from geneticists conducting research at universities and government institutions. Shaver
Shaver Transportation Company off from where the tanker had grounded near the mouth of the Willamette River. The end only came for the wooden-hulled "Henderson" in 1956 near Astoria, when she was damaged beyond her economic value in a collision with her tow. Shaver steamboats were all sternwheelers, which gave advantages on the Columbia River. They did not require fixed docks for landings, and they were more powerful and easier to steer than sidewheelers. Traditionally, most steamboats on the Columbia River system were sternwheelers. Shaver Transportation broke away from this pattern in 1926 when "Shaver" was rebuilt as a twin-screw diesel boat. "Shaver"