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Excerpt from Factors Influencing the Return of Fall Chinook Salmon (Oncorhynchus Tshawytscha) To Spring Creek Hatchery Normally the disease makes its first appear ance shortly after the fry have hatched. Johnson also reports an occasional occurrence just prior to hatching but has never noted it earlier in the egg stage. Yolk material has been found in the body cavities long after the fish have started feeding. A cause and a cure for the disease have not been discovered. Delayed mortality after the release of the fish has never been investigated. 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.