. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). Cooperative Work with Columbia University 307 to tlie bisexual reproduction, a dairy cow that will " breed abso- lutelv true " is practically impossible to obtain; but that we can approach much nearer to this ideal than we have in the past has been demonstrated in the last few years. To illustrate this principle by a practical example of what we should strive for in the selection of our breeding cows and sires, it is easiest to consider the animal's pedigree. It is not enough that her sire has pro
. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). Cooperative Work with Columbia University 307 to tlie bisexual reproduction, a dairy cow that will " breed abso- lutelv true " is practically impossible to obtain; but that we can approach much nearer to this ideal than we have in the past has been demonstrated in the last few years. To illustrate this principle by a practical example of what we should strive for in the selection of our breeding cows and sires, it is easiest to consider the animal's pedigree. It is not enough that her sire has produced good offspring or that her dam pro- duced a large amount of milk, but we should also know what her sisters are producing, and what the ancestry for several generations. Fig. 556.—The Dairy Type have produced. This is no longer impossible, since wc have the advanced registry records. If the production has been uniformly good throughout a number of generations, we have much more reason to expect that the individual we are considering will be a good one than if she came from a high-producing animal whose relatives were poor producers. We should not overlook in a discussion of animal breeding the great improvement that has been accomplished by what we know as ^' grading," that is, by the use of pure-bred sires on grade or. 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 New York (State). Dept. of Agriculture; New York State Agricultural Experiment Station; Cornell University. Agricultural Experiment Station. Albany : State of New York, Dept. of Agriculture
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