A bacteriological study of ham souring

A meticulous government bulletin delves into the long‑standing mystery of ham souring, a problem that has cost the meat‑packing industry dearly. Written by a senior bacteriologist, the study maps out every step of the investigation—from early theories and previous attempts at a solution to the detailed laboratory work that finally identifies the culprit. Readers will follow a clear, methodical presentation of how the offending bacillus was isolated, its characteristics described, and the conditions that allow it to thrive.

Beyond the scientific findings, the document offers practical guidance for producers, outlining reliable detection methods and proven ways to keep hams from turning sour. It also addresses how the bacterium might infiltrate the meat, whether before slaughter, during curing, or via handling tools. The bulletin balances rigorous data with actionable advice, making it a valuable listen for anyone interested in food safety, early 20th‑century science, or the hidden world of microbial spoilage.