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-breasted flycatcher with increasing temperatures. The genus name is from Latin and refers to a small fig-eating bird ("ficus", "fig") supposed to change into the blackcap in winter. The specific "parva" is Latin for "small". Red-breasted flycatcher The red-breasted flycatcher ("Ficedula parva") is a small passerine bird in the Old World flycatcher family. It breeds in eastern Europe and across central Asia and is migratory, wintering in south Asia. It is a regular passage migrant in western Europe, whereas the collared flycatcher which breeds further west is rare. This is because of the different migration direction. The Asian species "Ficedula albicilla", previously