. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. / / /. Figure 5. The heart on the left is apparently norma land was removed from a noninfected hen The heart on the right shows enlargement, thickening of the heart sac. and roughened heart surface. S. pullorum was isolated from the pericardial fluid. Refer to question 4. (11). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massachuse
. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. / / /. Figure 5. The heart on the left is apparently norma land was removed from a noninfected hen The heart on the right shows enlargement, thickening of the heart sac. and roughened heart surface. S. pullorum was isolated from the pericardial fluid. Refer to question 4. (11). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massachusetts Agricultural Experiment Station. Amherst, : Massachusetts Agricultural Experiment Station, 1907-1974
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