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Excerpt from Some Factors Affecting Survival, Growth, and Selection of Lambs The selection of animals considered to be suitable for breeding was affected by the type and time of birth and birth weight of lambs. Single lambs were preferred to twins, early lambs to late ones, and lambs that were heavy at birth to lighter ones. Since these effects of birth factors are considered to be, for the most part, environmental in nature, their influence on the selection of genetically superior animals IS undesirable. 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.

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