 ... all his cows ; and when by this proceeding, which ought to be persisted in, his stock has, with an occasional change of bull, become sufficiently stamped with desirable excellences, his selection of males should then be made to eradicate defects which...  Cattle and Cattle-breeders - 162 페이지저자: William M'Combie - 1867 - 206 페이지전체보기 - 도서 정보
 | William Charles L. Martin - 1852 - 150 페이지
...which he thinks desirable to be got rid of. " He will not fail to keep in view the necessity of yood blood in the bulls resorted to, for that will give...valuable properties to their offspring ; but he must not trust to this alone, or he will soon run the risk of degeneracy. In animals evincing an extraordinary... | |
 | William Charles Linnaeus Martin - 1853 - 158 페이지
...males should then be made to eradicate defects which he thinks desirable to be got rid of. " He will not fail to keep in view the necessity of good blood...valuable properties to their offspring ; but he must not trust to this alone, or he will soon run the risk of degeneracy. In animals evincing an extraordinary... | |
 | Ohio State Board of Agriculture - 1868 - 750 페이지
...males should then be made, to eradicate defects which he thinks it desirable to get rid of. He will not fail to keep in view the necessity of good blood...properties to their offspring ; but he must not depend oil this alone, or he will soon run. the risk of degeneracy." I agree generally with the above extract... | |
 | Elliot G. Storke - 1859 - 832 페이지
...males should then be made to eradicate defects which he thinks desirable to be got rid of. "Pie will not fail to keep in view the necessity of good blood...for that will give the only assurance that they will * "A person would often be puzzled; he would find different individuals possessing different perfections... | |
 | Ohio State Board of Agriculture - 1868 - 760 페이지
...indiscriminately for all your cows. My experience coincides with Mr. Berry's where he says the wise breeder " will not fail to keep in view the necessity of good blood...will transmit their own valuable properties to their oftspring ; but he must not depend npou this alone, or he will soon run the risk of degeneracy." To... | |
 | Duncan George Forbes Macdonald - 1872 - 862 페이지
...males should then be made to eradicate defects which he thinks desirable to be got rid of. He will not fail to keep in view the necessity of good blood...valuable properties to their offspring ; but he must not trust to this alone, or he will soon run the risk of degeneracy. In animals evincing an extraordinary... | |
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