. Poultry production. Poultry. BREEDING 145 revelations concerning the inheritance of fecundity. As a stallion bred in a speed-producing line, but not himself a great performer, can only be discovered to be a sire of great speed by the performance of his get, so the actual breed- ing ability of a male bird, with reference to fecundity, can only be discovered through the performance of his daughters at the nest. Under present practice, it is probably safe to assert that in nine cases out of ten, by the time the records Fig. 70. S. C. W. Leghorn, Oregana, with a five-year record of 987 eggs. She
. Poultry production. Poultry. BREEDING 145 revelations concerning the inheritance of fecundity. As a stallion bred in a speed-producing line, but not himself a great performer, can only be discovered to be a sire of great speed by the performance of his get, so the actual breed- ing ability of a male bird, with reference to fecundity, can only be discovered through the performance of his daughters at the nest. Under present practice, it is probably safe to assert that in nine cases out of ten, by the time the records Fig. 70. S. C. W. Leghorn, Oregana, with a five-year record of 987 eggs. She rounded out her 1000 eggs early in her sixth year. (Courtesy of Oregon Experiment Station.) of the daughters of an unusual breeder are available and it is discovered that he has a whole bevy of high-producing daughters, he is discarded and lost track of, if not actually destroyed. As long as the sire of prepotent sons and high- producing daughters can beget a few dozen chicks a year, he is a profitable investment to any breeder and of great value to his breed. To hope for stability in breeding for production there must be time to judge a male's breeding powers by the performance of his offspring, so that he may 10. 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 Lippincott, William Adams, 1882-1931. Philadelphia, Lea & Febiger
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectpoultry
