Also, a Gram stain may reveal large numbers of certain organisms (eg, campylobacters, staphylococci, or clostridia). Gram staining of the stool is not typically obtained because large amounts of bacteria present in normal colon flora make interpretation difficult.
When meat is ground, more of the meat is exposed to the harmful bacteria. Bacteria multiply rapidly in the Danger Zone â the temperatures between 40 and 140 Â°F (4.4 and 60 Â°C). Refrigerate or freeze ground beef as soon as possible after purchase. This preserves its freshness and slows the growth of bacteria.
Fresh meat should maintain its freshness for 2-3 years. Under alone, fresh meat should last 2-4 weeks. Ground Meat: To maximize product life, store ground meat in the freezer. If vacuum sealed properly, this product should last for up to 1 year. If refrigerated, ground meat should last for 1 month. Fish: To maximize product life, store fish in the freezer. Once frozen, vacuum packaged fish will last for up to 2 years. If refrigerated, fish should last 1 week.