Names of the 4 Parts of a Cow's Stomach. Cows are herbivores, eating grasses, plants and weeds. David De Lossy/Photodisc/Getty Images. Depending on what a bovine eats, it may take one to three days for the food to pass through the digestive tract. Cattle have ruminant stomachs -- stomach with four separate compartments.The compartments are called the rumen, the reticulum, the omasum and the abomasum. Each compartment has its own specialized duty in the digestive process.epending on what a bovine eats, it may take one to three days for the food to pass through the digestive tract. Cattle have ruminant stomachs -- stomach with four separate compartments. The compartments are called the rumen, the reticulum, the omasum and the abomasum.
Salt Petre (potassium nitrate) (Bulk, 8 oz) Product Description. Throughout recorded history Potassium Nitrate, more commonly known as Salt Petre, has been used for preserving food especially meat products like sausage and salamis. This ingredient must be measured with a gram scale and used with extreme caution.
Beef jerky, pickles, and smoked salmon are all examples of common foods that are preserved using salt. But are salty foods really safe to eat? How does salt as a preservative compare with other methods of food safety? Salt as a Preservative. Salt has been used as a preservative for ages, and works to preserve food in two ways: 1  Salt dries food. Salt draws water out of food and dehydrates it. 2  Salt kills microbes. High salt is toxic to most (not all) microbes because of the effect of osmolarity, or water pressure.