 | Royal Agricultural Society of England - 1859 - 624 pagini
...altogether averse to each other, nature opposes no barrier to their successful admixture ; so that, in the course of time, by the aid of selection and...weeding, it is practicable to establish a new breed altogether. This, in fact, has been the history of our principal breeds. The Leicester was notoriously... | |
 | Royal Agricultural Society - 1859 - 618 pagini
...altogether averse to each other, nature opposes no barrier to their successful admixture ; so that, in the course of time, by the aid of selection and...weeding, it is practicable to establish a new breed altogether. This, in fact, has been the history of our principal breeds. The Leicester was notoriously... | |
 | Stephen Lincoln Goodale - 1861 - 176 pagini
...altogether averse to each other, nature opposes no barrier to their successful admixture ; so that in the course of time, by the aid of selection and...weeding, it is practicable to establish a new breed altogether. This, in fact, has been the history of our principal breeds. * * * We confess that we cannot... | |
 | New York State Agricultural Society - 1865 - 738 pagini
...altogether adverse to each other, nature opposes no barrier to their successful admixture; so that, in the course of time, by the aid of selection and...weeding, it is practicable to establish a new breed altogether. This, in fact, has been the history of our principal breeds. The Leicester was notoriously... | |
 | Michigan. State Board of Agriculture - 1867 - 534 pagini
...altogether averse to each other, nature opposes no barrier to their successful admixture; so that, in course of time, by the aid of selection and careful...weeding, it is practicable to establish a new breed altogether. This, in fact, has been the history of our principal breeds. The Leicester was notoriously... | |
 | Robert Oliphant Pringle - 1868 - 918 pagini
...are altogether averse to each other, Nature opposes no barrier to their successful admixture, so that in the course of time, by the aid of. selection and careful breeding, it is practicable to establish a new breed altogether. This in fact has been the history... | |
 | Duncan George Forbes Macdonald - 1872 - 862 pagini
...altogether adverse to each other, Nature opposes no barrier to their successful admixture ; so that, in the course of time, by the aid of selection and...weeding, it is practicable to establish a new breed altogether. This, in fact, has been the history of our principal breeds. The Leicester was notoriously... | |
 | William Charles Spooner - 1874 - 464 pagini
...are altogether averse to each other, nature opposes no barrier to their successful admixture, so that in the course of time, by the aid of selection and...weeding, it is practicable to establish a new breed altogether. This, in fact, has been the history of our principal breeds. The Leicester was notoriously... | |
 | Manly Miles - 1878 - 440 pagini
...of Agriculture, vol. i., pp. 170-179. 8 " Code of Agriculture," p. 95. cessful admixture ; so that, in the course of time, by the aid of selection and...weeding, it is practicable to establish a new breed altogether.1 . . . Let us conclude," he then says, "by repeating the advice that, when equal advantages... | |
 | Joseph John Murphy - 1879 - 650 pagini
...attains its maximum.1 But, to return to the subject of domestic animals : — " In the course of time and by the aid of selection and careful weeding, it is...but even then an occasional reversion, or failure to breed true, may be expected." 2 " Himalayan Rabbit." — There are, however, some instances of very... | |
| |
Unless the characteristics and conformation of the two breeds are altogether averse to each other, nature opposes no barrier to their successful admixture ; so that, in the course of time, by the aid of selection and careful weeding, it is practicable... 
