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A feed additive is an additive of extra nutrient or drug for livestock. Such additives include vitamins, amino acids, fatty acids, minerals, pharmaceutical, fungal products and steroidal compounds. The additives might impact feed presentation, hygiene, digestibility, or effect on intestinal health. [1] [2]
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Additives are used for many purposes but the main uses are: Acids Food acids are added to make flavors "sharper", and also act as preservatives and antioxidants. Common food acids include vinegar, citric acid, tartaric acid, malic acid, folic acid, fumaric acid, and lactic acid.
According to Art. 6, Reg. EC 1831/2003, a zootechnical feed additive is defined as “any additive used to affect favourably the performance of animals in good health or used to affect favourably the environment”. [14] In the European Union, all phytogenic products must pass the authorization process as feed additive, if efficacy claims are ...
Ractopamine use as a feed additive is authorized in the United States, Canada, and Mexico. [18] In the US, ractopamine is allowed to be used at a feed concentration of 5–20 mg/kg feed for finishing pigs and in dosages of 5–10 mg/kg feed for finishing pigs heavier than 109 kg.
Different feed enzymes such as, carbohydrases, phytases or proteases, can be included in feeds to improve the use of energy and nutrients or to degrade several undesired components. Moreover, some enzymes (e.g. amylases, lipases) can be added to the feed of young animals in order to support the endogenous enzyme secretions.
Food additives are substances added to food to preserve flavor or enhance taste, appearance, or other sensory qualities. Some additives, such as vinegar , salt , smoke and sugar (crystallization), have been used for centuries to preserve food. This allows for longer-lasting foods, such as bacon, sweets or wines.