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Author : Anonim
Publisher : Unknown
Page : 180 pages
File Size : 53,7 Mb
Release : 1945
Category : Dairy cattle
ISBN : UVA:X030450638
Author : U. S. Bureau of Dairy Industry
Publisher : Forgotten Books
Page : 186 pages
File Size : 46,9 Mb
Release : 2018-08-26
Category : Reference
ISBN : 1390426564
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.
Author : Anonim
Publisher : Unknown
Page : 112 pages
File Size : 46,8 Mb
Release : 1937
Category : Dairy cattle
ISBN : UVA:X030353978
Author : United States. Bureau of Dairy Industry
Publisher : Unknown
Page : 776 pages
File Size : 51,5 Mb
Release : 1946
Category : Cattle
ISBN : CORNELL:31924071817609
Author : Anonim
Publisher : Unknown
Page : 260 pages
File Size : 55,7 Mb
Release : 1948
Category : Dairy cattle
ISBN : UVA:X030450731
Author : Anonim
Publisher : Unknown
Page : 148 pages
File Size : 48,5 Mb
Release : 1942
Category : Dairy cattle
ISBN : UVA:X030450547
Author : Anonim
Publisher : Unknown
Page : 316 pages
File Size : 46,7 Mb
Release : 1949
Category : Dairy cattle
ISBN : UVA:X030450762
Author : Anonim
Publisher : Unknown
Page : 105 pages
File Size : 48,6 Mb
Release : 1937
Category : Dairy cattle
ISBN : OCLC:15614557
This publication contains the names of the 1,553 sires whose "proved-sire" record were tabulated by the Division of Dairy Herd Improvement Investigations between November 1, 1935, and April 1, 1937. It is expected that a similar list of proved sires will be published annually hereafter, and will include all association sires whose records were tabulated during the preceding 12 months.
Author : Anonim
Publisher : Unknown
Page : 268 pages
File Size : 49,9 Mb
Release : 1941
Category : Dairy cattle
ISBN : UVA:X030354166
Author : Anonim
Publisher : Unknown
Page : 84 pages
File Size : 47,8 Mb
Release : 1938
Category : Dairy cattle
ISBN : UVA:X030354029
Author : Anonim
Publisher : Unknown
Page : 136 pages
File Size : 48,6 Mb
Release : 1946
Category : Dairy cattle
ISBN : UVA:X030450692
Author : Anonim
Publisher : Unknown
Page : 242 pages
File Size : 54,7 Mb
Release : 1940
Category : Dairy cattle
ISBN : UVA:X030354115
Author : Anonim
Publisher : Unknown
Page : 240 pages
File Size : 51,9 Mb
Release : 1944
Category : Dairy cattle
ISBN : UVA:X030450617
Author : Anonim
Publisher : Unknown
Page : 72 pages
File Size : 40,6 Mb
Release : 1947
Category : Dairy cattle
ISBN : UVA:X030450715
Author : Betty Thomas Richardson,Carl Barrier Brown,Clarice Louisba Scott,Georgian Adams,Glen Blaine Ramsey,Henry Clapp Sherman,Hugh Hammond Bennett,James Walker Cruikshank,Lawrence V. Compton,Leonard Joseph Watson,Marion Julia Drown,United States. Department of Agriculture. Office of Personnel,Victor Rickman Boswell,William Arthur Craft,William Henry White,James Stewart Wiant,Robert Emerson Wester,Sears Polydore Doolittle,Sybil Laura Smith,Victor Leo Stedronsky
Publisher : Unknown
Page : 2312 pages
File Size : 53,6 Mb
Release : 1943
Category : Agricultural colleges
ISBN : CUB:U183021558068
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.