By far, the most common and most obvious health hazard to producers and workers is accidental needle sticks. This article will focus on accidental needle sticks, what risks they present, and how to prevent them.
Liquid manure in deep anaerobic storage, contains sulfur (from amino acids in feed, manure or in water) which certain bacteria (anaerobes) use as a substitute for oxygen. They produce H2S as an end product, which is toxic to living tissue, by stopping the energy supplying reactions in the tissue cells.
As the risk of HEV exposure appears to rise in the human population an opportunity for production and certification of HEV free meat products, especially pork, is emerging.