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Comparative Analysis of Fat Used for Cattle Feeding

Andrii Lemeshev, TH ‘Bios’, LLC

Nowadays there are a lot of ‘protected’ fats issued from palm oil. It is important to differentiate between them (They are not of equal value), because they are produced through different stages of development and design of ‘protected’ feed supplement, using different manufacturing processes and characterized according to different levels of good and harm.

Calcium salts of fatty acids (‘soaps’)

The birth year of calcium salts can be regarded as the beginning of 1980’s. It is so called first generation of ‘protected’ fats, which once played an important part in energy feeding of cows. Today they yield to fractional (naturally obtained) fats according to all approaches, and it’s not important to talk about strong competition between them. Moreover, in Russia a great amount of formulated feed should be used in the rations for high-yielding cows, and it acidizes the rumen. If Ph is low in it, the compound of calcium salts may decompose (to 30%), therefore it reduces fiber digestion. Their only advantage decreases (disappears) under our conditions.

Hydrogenated fatty acids (‘margarine’)

Oils, blasted with hydrogen, appeared about twenty years ago. It’s the second generation of ‘protected’ fats, which are produced through a chemical process, as well as fats of the first generation: unsaturated fatty acids may be converted to saturated fatty acids by the relatively simple hydrogenation reaction. Recall that the addition of hydrogen to an alkene (unsaturated) results in an alkane (saturated). It seems easy and fine, but there are a lot of negative factors:

— sometimes, ductile metals (Nickel)are used in the role of catalyst agent, which remains in a product and harmful to animal’s health (influences negatively on reproduction);

— this product contains dioxins, which ruin nutritious components of forage. When dioxins get into forage, a large amount of antioxidants to prevent oxygenation of oxides in the animal’s body;

— during an artificial hydrogenation isomers of trans-fatty acids are formed, which are called «molecule-monster». They aren’t biologically effective, and their high concentration influence negatively on the animal’s organism: reduce forage intake and fat synthesis in milk. What is more important — they transfer to milk and meat. That’s why in many countries they are regarded as dangerous for people’s health, because fatty acids with the disturbed structure influence on circulatory system (raise cholesterol level in blood) and cause cancer.

More information read in the magazine ‘Milk and Farm’, № 4 (17), August, 2013

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