Page:The Evolution of British Cattle.djvu/143

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BLENDING AND SORTING
131

England, and the introduction of Shorthorn bulls and turnip husbandry, opened up a new era for Buchan. The native cattle fattened well, and money was made by doing so. Shorthorn bulls were introduced and put to all kinds of cows. Often when a Shorthorn bull was mated with a small polled cow, the produce was a black poll of the finest character—immensely superior to either of the parents. When a heifer of this stamp was again put to a Shorthorn bull, the result was quite as fine a black poll, of still larger size. If the produce were also a heifer, and mated with a pure Shorthorn bull, the result was still a poll, yet larger in size, but bluish-grey in colour. If a heifer again, and put to a Shorthorn bull, the produce was once more a grey poll, probably lighter in colour. When this form of crossing was continued further. Shorthorn colours appeared, sometimes with scurs, but oftener with the regular short horns of the male parent. I observed this experiment tried in several cases, with exactly the same result. With the larger polls with white underlines, the horns and colour of the Shorthorn bull were earlier transmitted to the produce, generally at the second or third crosses. I therefore look upon the small polls without white spots as the pure original Buchan Humlie."

Thus, with the characters they now possess drawn from several sources, the Aberdeen-Angus