. American breeders magazine. Breeding; Plant breeding; Heredity. 46 American Breeders Magazine In the paper cited it was noted that the claims made concerning the immunity to ticks of the Brahman and their hybrid offspring were well founded. Also that the hybrids average much larger (as much as 50 per cent) than the native or Hereford or Durham cattle kept under similar conditions, and that they are far more prolific. A male will impregnate 75 or 80 cows each season as against 25 or 30 impregnations by the Hereford or Durham. In August of 1912 I was permitted to visit the Borden herds again.
. American breeders magazine. Breeding; Plant breeding; Heredity. 46 American Breeders Magazine In the paper cited it was noted that the claims made concerning the immunity to ticks of the Brahman and their hybrid offspring were well founded. Also that the hybrids average much larger (as much as 50 per cent) than the native or Hereford or Durham cattle kept under similar conditions, and that they are far more prolific. A male will impregnate 75 or 80 cows each season as against 25 or 30 impregnations by the Hereford or Durham. In August of 1912 I was permitted to visit the Borden herds again. The time was limited and the information that could be given me was. Fig. 5—Brahman-Hereford Fi Hybrid. This Heifer weighed 1000 pounds at twelve months of age. She was tick-free on a tick-infested pasture. extremely meager, so that the records made were even less adequate and less satisfactory than those made last year. Under the conditions of the experiment this situation is likely to become less satisfactory each succeeding year. It was not possible to study the calves and yearlings (now yearlings and adults) observed in 1911, because it had been necessary to separate them, many of them having been sold and the others mixed in such ways that nothing could be deter- mined concerning their ancestors. One bunch of F2 males from the different herds observed last year Hoc dp.) ranged in appearance all the way from an apparently perfectly pure Durham (loc. cit., Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Breeders Association; American Genetic Association. [Washington, D. C. :] The Association
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplantbr, bookyear1910