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" The improvement depends on this principle, that the power of the female to supply her offspring with nourishment is in proportion to her size, and to the power of nourishing herself from the excellence of her constitution. The size of the... "
An Encyclopædia of Agriculture: Comprising the Theory and Practice of the ... - Página 303
por John Claudius Loudon - 1831 - 1282 páginas
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The American Farmer

John S. Skinner - 1827 - 434 páginas
...their parents; but if a small ram be put to larger ewes, the lambs will be of an improved form. The proper method of improving the form of animals, consists in selecting a well formed female, proportionately larger than the male. The improvement depends on this principle,...
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Hints for American Husbandmen: With Communications to the Pennsylvania ...

Pennsylvania Agricultural Society - 1827 - 350 páginas
...their parents ; but if a small ram be put to larger ewes, the lambs will be of an improved form. The proper method of improving the form of animals consists in selecting a well formed female, proportionately larger than the male. The improvement depends on this principle,...
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The New sporting magazine, Volumen11

1836 - 726 páginas
...Moliere's Doctor, — " Autretbis il ctait ainsi, mais nous avons change tout cela." He says that the proper method of improving the form of animals " consists in selecting a well-formed female proportionally larger than the male. The improvement depends on this principle, that the power of the...
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British Farmer's Magazine, Volumen1

1837 - 530 páginas
...of animals, Mr. Cline advises, in all cases, the selection of a well-formed female, proportionally larger than the male. " The improvement depends on...nourishing herself from the excellence of her constitution; as larger animals eat more, the large female may afford most nourishment to her offspring." " The size...
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Southern Planter and Farmer, Volumen3

1843 - 310 páginas
...their parents ; but if a small ram be put to larger ewes, the lambs will be of an improved form. "The proper method of improving the form of animals consists in selecting a well-formed female, proportionably larger than the male. — The improvement depends on this principle : that the power...
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The Farmers' Instructor: Consisting of Essays, Practical ..., Volumen2

Jesse Buel - 1844 - 278 páginas
...their parents ; but if a small ram be put to large ewes, the lambs will be of an improved form. The proper method of improving the form of animals consists...principle, that the power of the female to supply the offspring with nourishment is in proportion to her size, and to the power of nourishing herself...
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On the Deteriorated Condition of Our Saddle Horses: The Causes and the Remedy...

1853 - 164 páginas
...breeding from large females. He had horses and cattle principally in view, and thus writes : — " The proper method of improving the form of animals consists in selecting a well-formed female proportionally larger than the male. The improvement depends on this principle, that the power of the...
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Transactions of the New Hampshire State Agricultural Society

New Hampshire State Agricultural Society - 1854 - 416 páginas
...stallion, imported and sent to Carroll's Manor, Maryland. "The proper method," says Prof. Cline of London, "of improving the form, of animals, consists in selecting a well-formed female, proportionably larger than the male. The improvement depends on this principle — that the power of...
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The American Veterinary Journal, Volumen1

1856 - 530 páginas
...London, " of improving the form of animals consists in selecting a well formed female, proper tionably larger than the male. The improvement depends on this...power of nourishing herself from the excellence of her own constitution." " The size of the foetus (he continues) is generally in proportion to that of the...
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... Farriery: Taught on a New and Easy Plan ; Being a Treatise on the ...

John Badcock - 1858 - 360 páginas
...Apperley asks, an instance of a misshapen horse and ill-formed mare producing winners ?— JS 3.1 The proper method of improving the form of animals, consists in selecting a well-formed female, proportionally larger than the male. The improvement depends on this principle, that the power of the...
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