Download or read book Dairy Herd Improvement Letter, Vol. 57 written by Science And Education Administration and published by Forgotten Books. This book was released on 2018-09-27 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Dairy Herd Improvement Letter, Vol. 57: April 1981 Averages in tables 1 and 2_ are for all, active ai, inactive ai, and non-ai bulls. Previously there were -no separate averages for inactive AI bulls, but the averages except for pd% could have been computed from the other averages distributed with the active AI list. Active AI bulls were those designated as active by the controlling organization. Inactive AI bulls had a stud code and had entered the stud at least 3 months prior to the Summary date but were not in active service at the time of the Summary. All other bulls were given non-ai status. 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.