Posts Tagged ‘Sanitation’

Gamey Or Wild Tasting Meat September 21st, 2009

jsummers

Deer archery season is right around the corner here in Indiana and every year i hear about all the folks that have a problem with wild or gamey tasting meat.

Part of the problem early in the season can be attributed to the warm weather. If a hunter has to spend much time on a 70-80 degree day searching for a downed animal potential problems with meat quality can certainly arise.

That being said I’ve always held the opinion that gamey meat is, for the most part, the result of poor handling practices. Granted, a large animal downed in the field must be dealt with in the conditions at hand but there are some things we can do to help preserve the quality of the meat.

Once the animal is down deterioration begins right away. Bacteria begin multiplying and the breakdown process is under way. Fortunately this progression can be checked with sanitation and temperature control.

Game meat should be handled like any other animal that is butchered for food. That is, keep it clean and reduce the internal temperature of the carcass as quickly as possible.

Some hunters like to load the fresh kill and head for camp or home right away and field dress in a cleaner more convenient setting. This is probably fine if you’re only a few minutes away but the outdoor temperature relates directly to the amount of time you have. If it’s very warm out or the time/distance is too great you should field dress the animal right away. This allows the majority of the body heat to escape.

When field dressing, try not to bust any guts, watch the bladder. Clean out the anal cavity. Try not to let any fecal matter come into contact with your knife or the meat. It is also my opinion that you should leave the scent glands alone. Cutting around here can contaminate your knife and spread musk all over the place. Keep the body cavity clean.

Next is skinning your animal. The hide is an excellent insulator and unless its single digit weather outside it’s a good idea to get it off.

Start with a clean, sharp knife and clean hands. The hair side of the skin is very dirty and while handling it try not to touch the meat with your hands.

Now that the animal is skinned it’s a good idea to wash it liberally inside and out with cold water. Do a thorough job otherwise you will spread dirt, and bacteria across the entire carcass and end up making matters worse. A clean linen sheet, cotton shroud or game bag put over a wet carcass will help keep it clean and the evaporation will speed up cooling. If you like to age the meat this will help keep the surface from drying out as fast.

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Food Safety March 1st, 2009

jsummers

The importance of good sanitation in food handling and processing areas can not be over stated. The CDC estimates that 76 million cases of foodborne illness occur annually in the United States with about 5000 cases resulting in death.

Food can become contaminated very easily if we’re not careful. The three general categories of potential hazards are physical, chemical, and biological.

Physical contamination occurs when foreign objects such as dirt, hair, paint chips, rocks, bone, metal or glass come in contact and are mixed with food. Reduce the potential for physical contamination by keeping food contact surfaces clean, washing hands before and after handling foods, and keeping ingredients covered.

Chemical contamination occurs when chemicals like cleaning products, pesticides, naturally occurring toxins, toxic metals, or even additives to which some people are allergic are introduced into the food product. 

Utensils and equipment that contain toxic metals can cause toxic metal poisoning. Examples include the lead in pewter pitchers, the copper in a kettle, or the zinc in a galvanized bucket or tub.  Minimize the potential for chemical contamination by storing and preparing foods using only equipment and utensils made of food grade material.

Biological contamination includes contamination by bacteria, viruses, parasites, yeasts, and molds. The most common hazards that we associate with meat and poultry products are Salmonella, Campylobacter, E. coli bacteria, and the parasite that causes Trichinosis. 

Salmonella and Campylobacter are thought to be the two most common bacteria that cause illness in foods.  Salmonella is most commonly associated with poultry, eggs, and beef while Campylobacter is associated primarily with poultry and water contaminated with the bacteria.

caqmpylobacterjejuni

Campylobacter jejuni

 

salmonella

Salmonella

E. coli is a foodborne pathogen that can be found in red meat and red meat products. There are over 700 serotypes of E. coli identified. The E. coli serotypes that are responsible for foodborne illness in humans produce Shiga toxin. E. coli was first recognized in 1982 during an outbreak associated with the consumption of contaminated hamburgers. E. coli O157:H7 is responsible for the majority of human E. coli related illness but there are other Shiga toxin producing serotypes as well.

E. coli 0157:H7

E. coli 0157:H7

Trichinella spiralis is a parasitic intestinal nematode that infects humans through the consumption of undercooked meat causing trichinosis (or trichinellosis), a potentially life threatening illness. Trichinella spiralis is carried by carnivorous/ omnivorous animals such as rats, pigs, and bears. Trichinella spiralis is killed at 137° F.

Trichinella spiralis

Trichinella spiralis

Biological hazards are usually associated with the animal’s intestinal tract and contaminate the food during processing. Biological hazards can be controlled by:

  • Monitoring and maintaining proper temperatures in storage and processing environments. The Temperature Danger Zone as defined by the National Restaurant Association is between 41°F. and 135° F. FSIS defines the Danger Zone as between 40° F and 140° F so you can take your pick but foodborne microorganisms favor this temperature range with 80° F to 105° F being optimal. Fresh meats should be held in the cooler at temperatures below 40° F. I like cooler temperatures from 28° F. to 35° F. which will help control bleeding and purge. It is worth noting here that bacteria can double their numbers:
    • Every 20 hours at 32° F
    • Every 6 hours at 40° F
    • Every 2 hours at 60° F
    • Every hour at 70° F
    • Every 1/2 hour at 90° F
    • At human body temperature, 98.6° F, bacteria can double up to 3 times per hour.
  • Preventing cross contamination. Cross-contamination is the physical movement or transfer of harmful bacteria from one person, object or place to another. Prevent cross contamination by:
    • Keeping raw foods and processed foods seperated. In the cooler store processed product on upper shelves and raw product on lower shelves.
    • Clean and sanitize knives, utensils, and cutting surfaces between uses.
    • Never move boxes or containers that may have been stored on the floor onto food contact surfaces.
  • Always keeping equipment, floors, and food contact surfaces clean and sanitized.

We’ve touched on a few highlights regarding food safety and I hope to have some more in depth articles as we move along.

Constructive comments and questions are welcome!

Jes..

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