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Updated: June 12, 2025
Moreover, though relatively invariable both in mind and body, they exhibit sufficient individual peculiarities to indicate that the breeder's art could, in a short time, bring about considerable changes such as have been effected in other species, changes that would increase the value of these animals.
Some of these lost species were far smaller than those of to-day; one at least was no larger than our heavier horses. If by the breeder's art the existing varieties could be caused so to change as to give us once again this relatively diminutive form, the creature would be sure to find a place of importance in our ordinary arts.
Similarly in nature new species have arisen through heredity, variation, and a selection according to the laws of nature of those varying in conformity with their environment. And this Mr. Darwin called natural, in contrast with the breeder's artificial, "selection," arising from the "struggle for existence," and resulting in what Mr. Spencer has called the "survival of the fittest."
Whatever may be the change desired in a strain of chickens, specimens showing the trait to be selected should be used as breeders. Those characteristics readily visible to the eye have long been the subjects of the breeder's efforts. But traits not directly visible can likewise be changed by breeding.
It is true that the breeder's art is old and that men have felt the subjugated animals to be almost like clay in the potter's hands, but except in a small and rather careless way with the dogs, little attention has been given to the development of the intelligence of these captives.
Unquestionably, the mallard duck can be reared in captivity in numbers limited only by the extent of breeder's facilities. The amount of net profit that can be realized depends wholly upon the business acumen and judgment displayed in the management of the flock.
It seemed to be not yet an occasion for words from me. I tried for a look of intelligent sympathy. In the kitchen I heard her noisily fill a teakettle with water. She was not herself yet. She still muttered hotly. I moved to the magazine littered table and affected to be taken with the portrait of a smug looking prize Holstein on the first page of the Stock Breeder's Gazette.
Scogan, who had now seized on Jenny for his victim. "What are you reading?" "I don't know," said Denis truthfully. He looked at the title page; the book was called "The Stock Breeder's Vade Mecum." "I think you are so sensible to sit and read quietly," said Mary, fixing him with her china eyes. "I don't know why one dances. It's so boring." Denis made no reply; she exacerbated him.
"To Bertha, 34 R 6," she said, and thus I wrote it, cursing the prostituted science and the devils of autocracy that should give an innocent girl a number like a convict in a jail or a mare in a breeder's herd book.
A large part of the labor which has been given to the work of domesticating by the breeder's art the score of mammalian species which man has won to his use has been devoted to this task of expelling the wilderness motives from these forms.
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