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.
Salt as a Preservative. Salt has been used as a preservative for ages, and works to preserve food in two ways: Salt dries food. Salt draws water out of food and dehydrates it. All living things require water and cannot grow in the absence of water, including the bacteria which can cause food poisoning. Salt is used to preserve beef jerky by keeping it dry, and it prevents butter from spoiling by drawing water out, leaving just the fat. Salt kills microbes.