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
Kingdom of Cochin for Mahodayapuram (Thiruvanchikulam), which may be the reason that Perumpadapu Swaroopam changed their capital to Cochin from Mahodayapuram. Moreover, in the year 1341 a flood created an island, Puthuvippu (Vypin), and Cochin became a noted natural harbour for the Indian Ocean trade. The old Kodungallore (Cranganore) port lost its importance, which may also be a cause for the shift of the capital. From there on Perumpadapu Swaroopam used the name Cochin Royal Family. Finally, the arrival of the Portuguese on the Indian subcontinent in the sixteenth century likely influenced Cochin politics. The Kingdom of Cochin was among the first Indian