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Book List of Sires Proved in Dairy Herd Improvement Associations 1945 Classic Reprint

Download or read book List of Sires Proved in Dairy Herd Improvement Associations 1945 Classic Reprint written by U. S. Bureau of Dairy Industry and published by Forgotten Books. This book was released on 2018-08-26 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from List of Sires Proved in Dairy Herd Improvement Associations, 1945 If the difference between the average butterfat production Of the dams and that Of the daughters is less than 25 pounds, the increase or decrease should not be considered as significant. If the daughters of a sire have an average butterfat production Of 25 or more pounds above that Of their dams the sire may be considered as raising the production Of the herd in which he is used. If the daughters' average butterfat production is 25 pounds or more below that of their dams the sire may be considered as lowering the production Of the herd in which he is used, in which case he Should be discarded from that particular herd. Such a sire may prove useful in a herd Of lower-producing dams, however. To make the most intelligent selection of _a sire, the dairyman should use these proved-sire records to Single out the most promising sire and then make every effort to supplement these data with additional in formation gathered from the herds in which the dams and daughters made their records. Particular attention should be given to the feed ing practices and environmental conditions under which the records were made, in order to be assured that the records Of the daughters were not made under more favorable conditions than those Of the dams or vice versa. It is especially important to determine that there has been no selection Of daughters in making the comparison. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Book List of Sires Proved in Dairy Herd Improvement Associations

Download or read book List of Sires Proved in Dairy Herd Improvement Associations written by United States. Bureau of Dairy Industry and published by . This book was released on 1946 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book List of Sires Proved in Dairy Herd Improvement Associations 1943

Download or read book List of Sires Proved in Dairy Herd Improvement Associations 1943 written by Betty Thomas Richardson and published by . This book was released on 1943 with total page 2312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This summary, together with the one on farm crops, by the use of maps and supplementary charts, portrays the quantitative and geographic significance of production of the Nation's food supply.