Excerpt from Developmental Studies and Laboratory Investigations Conducted by Veterinary Services Diagnostic Laboratories: Fiscal Year 1973 Experimental Animals - Sheep were Obtained from two closed flocks located in Iowa that had been tested and found negative for BT by the CF test. All sheep were tested before inoculation and found negative. Sheep used for \virus detection were maintained in plastic isolation cages maintained under negative air pressure. One group of three sheep employed for long-term studies were kept together in an isolation room free of insect vectors. 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.

Excerpt from Developmental Studies and Laboratory Investigations: Conducted by Veterinary Services Laboratories, Fiscal Year 1974 There was a diarrhea starting on day 5 PC and continuing through day 16. Blood appeared in the feces on day 5 PC and progressed to a haemorrhagia on day 11 pc. Starting on day 7 pc, the clinical signs observed included anorexia, weakness, dehydration, bloody scours, and serosanguinous nasal discharge. The calf was down and too weak to stand when euthanized on day 11 pc. The lesions observed at necropsy included ulcerations of the lingual mucosa, ecchymoses on the surface of the spleen, urinary bladder, and gall bladder, hemorrhage in the small colon, and congestion of mediastinal lymph nodes. Other organs appeared normal macroscopically. 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.