Le vétérinaire pratique de DrDavid Roberts . ure a élevé des souches dans leurs troupeaux. Il serait intéressant de retracer l'histoire du bétail, étape par étape, dans leur amélioration dès le plus tôt, mais à partir des faits que l'histoire donne il serait dur d'obtenir toute information satisfaisante. Le premier éleveur systématique dont n'importe quel disque était Jacob. Il est raisonnablement certain qu'il comprenait quelque chose des principes de l'accouplement des bovins, mais qu'il n'a pas tant utilisé sa compréhension dans le matterof améliorer la race, ou aux bonnes qualités pour le milking ou le boeuf, comme il l'a fait dans le pro-ducing

• Contributeur: The Reading Room / Alamy Banque D'Images
• ID de l’image: 2AX90M3
• Taille du fichier: 7,2 MB (564,3 KB Téléchargement compressé)
• Autorisations: Modèle - non | Propriété - non
• Dimensions: 1571 x 1591 px | 26,6 x 26,9 cm | 10,5 x 10,6 inches | 150dpi

Informations supplémentaires

Cette image appartient au domaine public, ce qui signifie que le droit d’auteur a expiré ou que le titulaire du droit d’auteur a renoncé à ses droits. Les frais facturés par Alamy couvrent l’accès à la copie haute résolution de l’image.

Cette image peut avoir des imperfections car il s’agit d’une image historique ou de reportage.

DrDavid Roberts' practical home veterinarian . ure bred strains in their herds. It would be interesting to trace the history of cattle, step by step, in their improve-ment from the earliest time, but from the facts which history gives it would be a hardmatter to get any satisfactory information. The first systematic breeder of whom wehave any record was Jacob. It is reasonably certain that he understood something ofthe principles of mating cattle, but did not use his understanding so much in the matterof improving the breed, or to the good qualities for milking or beef, as he did in pro-ducing cattle of different colors. This was with a view to securing a mingling of these colors in the offspring. There have been many distinctive breeds of cattle known from the beginning ofthe historical era. Still, it is only within the last two centuries that any careful, sys-tematic breeding has been attempted, and only within the last seventy-five years havegreater results been accomplished and the greatest progress toward perfection beenmade.. Type of Original Spanish Cattle. STATISTICS OF THE CATTLE INDUSTRY. The cattle industry of the United States is one of the greatest industries of thecountry. Statistics show that for a period extending over fifty years from 1850 to 1900the number of cattle consumed by the American people has fallen from twenty-five totwenty for every one hundred of the population, the number consumed in 1850 beingtwenty-five for each one hundred, and in 1900 the number consumed was twenty foreach one hundred. During this time the number of cattle has increased largely, showing a loss duringbut one decade, which extended over the period from 1860 to 1870, covering the timeof the Civil War in the United States. In 1850 the cattle in this country numbered 18, 000, 000. In 1860 the cattle in this country numbered 26, 000, 000. In 1870 the cattle in this country numbered 24, 000, 000. In 1880 the cattle in this country numbered 33, 000, 000. In 1890 the cattle in this

Recherche dans la banque de photos par tags

• bookcentury1900
• bookdecade1900
• booksubjectveterin
• bookyear1906