...It is a well-known principle in stock-breeding that sires should befully adult, of maximum strength, and in the prime of life... 
William T. Hornaday 「Our Vanishing Wild Life」
...In the twin certainties of over-population, and deterioration fromexcessive killing of the good sires, we have to face two newproblems of very decided importance...
William T. Hornaday 「Our Vanishing Wild Life」
...Blood, it is trulyurged, gives the superior speed and couragerequired in the polo-pony, but let us notforget that Arabs were the sires from whichall our modern race-horses are descended...
Sir Walter Gilbey 「Small Horses in Warfare」
...There is much to be said in favour of thepolicy of returning to the original Easternstock to find suitable sires for our proposedbreed of ponies...
Sir Walter Gilbey 「Small Horses in Warfare」
...On a later page he suggests the propriety ofcrossing these Eastern sires with our Forest andMoorland ponies...
Sir Walter Gilbey 「Small Horses in Warfare」
...Get your cows just as goodas you can get them; of course pure-breds will be better, and then useonly the best registered sires in that herd...
Florida State Live Stock Association 「Florida: An Ideal Cattle State」
...In ancient Greece there seems to have been at least one kinglyhouse of great antiquity of which the eldest sons were alwaysliable to be sacrificed in room of their royal sires...
Sir James George Frazer 「The Golden Bough」
...And among themwere the young, the buds that had fallen from the parent stems, fullyformed humans of perhaps five or six feet, bouncing with a horribleplayfulness among their sires...
Various 「Astounding Stories of Super-Science, November, 1930」
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