Although many mineral elements exist in animals, they are not all essential mineral elements for animals. The necessary mineral elements are divided into two categories according to the animal's requirements: Macroelements, whose requirements are generally greater than 100 mg / kg diet, usually expressed as a percentage of the diet. Macro elements include calcium, phosphorus, potassium, magnesium, sodium, sulfur, and chlorine. ‚Trace elements, the amount of which is generally less than 100mg / kg diet, the content in feed is often expressed in mg / kg. Although there are many types of trace elements, chromium, cobalt, copper, iodine, iron, manganese, molybdenum, selenium and zinc are currently recognized.
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Disadvantages of inorganic trace element feed
Inorganic trace elements are cheap and low in cost, but cost-effective. Compared with organic trace elements, it has many disadvantages.
The utilization is too low. Inorganic trace elements need to look for ligands after they enter the intestinal tract to be absorbed.
Antagonism exists between inorganic mineral elements. Mineral elements compete for absorption channels in the digestive tract. One mineral element can significantly affect the absorption of one or several mineral elements.
Pure inorganic microminerals destroy some nutritional ingredients (such as vitamins). Numerous micro-mines can destroy vitamins to varying degrees; in addition to destroying vitamins, high copper can also make the oxidative rancidity problem of fueled concentrated feed more serious; inorganic trace elements in the body will act as catalysts for oxidation reactions, exacerbating oxidation reactions Affects animal health.
Large amount, poor palatability, and polluting the environment. During the special period of animal growth and development, reproduction, stress, and disease, the rate and pattern of metabolism will change. If it is supplemented in the form of a conventional metal inorganic salt, the error of doubling the capacity cannot meet the needs. High inorganic minerals will significantly increase excretion in feces, cause pollution to the environment and endanger human and animal health.
Advantages of organic trace element feeds
Organic trace elements are expensive and expensive to use, but cost-effective. Compared with inorganic trace elements, it has the following advantages:
Organic micromines, better absorption, can be absorbed by the body without the need to find a ligand, will not be neutralized by antagonists in the body, are absorbed by the absorption channel of amino acids, thereby avoiding the absorption between inorganic mineral elements Competition.
Organic micro ore, peak demand to achieve quick compensation. The combination of amino acids and metal ions is an organic whole, and mutual inhibition or resistance will not occur; organic trace minerals are more likely to adhere to amino acids, peptides and other compounds, so it is easier to enter biological systems; organic microminerals are unique The absorption method can improve the absorption, storage and release in the body, thereby meeting the peak demand of the body in time and quantity.
Addition of organic trace elements in feed can significantly improve the production and reproduction performance of reared animals.
Summary
To sum up, organic trace elements bring eight benefits compared to inorganic trace elements:
Improve the digestion and absorption of trace elements;
Promote efficient use of trace elements;
Avoid antagonism between trace elements;
Reduce trace element damage to the digestive tract;
Reduce trace element damage to vitamins;
Maintain a good biological environment for the intestine;
Avoid trace elements from being affected by anti-nutritional factors;
Multiple complexes result in zero emissions of trace elements.
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