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
Red-fronted serin Arnaiz-Villena et al., 1999 Red-fronted serin The red-fronted serin or fire-fronted serin ("Serinus pusillus") is a small passerine bird in the finch family Fringillidae. It prefers high mountain regions and is 11–12 cm long. This bird breeds in the Caucasus and the higher mountains of Turkey and Iran, with vagrants occasionally reaching the Greek Eastern Aegean Islands in winter. This bird is also found in Ladakh and other parts of the Indian Himalayas. Outside the breeding season, it occurs in small flocks, typically seen searching through thistle patches. It is a popular cagebird, and escapees from captivity are occasionally found