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
Mountain and moorland pony breeds Mountain and moorland pony breeds Mountain and moorland or M&M ponies form a group of several breeds of ponies and small horses native to the British Isles. Many of these breeds are derived from semi-feral ponies kept on moorland or heathland, and some of them still live in this way, as well as being kept as fully domesticated horses for riding, driving and other draught work, or for horse showing. Mountain and moorland classes at horse shows in the British Isles cover most of the breeds; however, the four closely related Welsh breeds often form their own classes. Traditionally the