1 Foreword
Trace elements directly or indirectly participate in the formation and activation of enzymes and hormones in animals, thereby affecting the growth, metabolism, immunity and reproduction of animals. Although the proportion of animal feed is less than 0.5%, the effect can not be underestimated. On the basis of nutritional effects, the addition of high-copper and high-zinc pharmacological doses has given the functional effect of many formulators. At the same time, the large amount of traditional forms of inorganic sulphate added, resulting in fat, fat-soluble vitamins in the feed and damage to the intestinal villi, so feed companies have to seek better quality trace element additives.
As a new type of organic mineral element additive, organic trace elements, due to its good stability, high biological potency, easy digestion and absorption, and strong anti-interference, have quickly become the focus of animal nutrition research and a hot spot for feed enterprises. From the earliest foreign imports, expensive protein chelate to today's cost-effective single amino acid chelate, its development process is only a few years. Due to the wide application of single amino acid chelate, domestic large and small organic trace element manufacturers have sprung up in the market. The competition among organic trace element companies has also gradually shifted from the beginning of product quality competition to the concept of speculation and low-cost shopping. The phenomenon derived from this competition mode is that feed enterprises are very confused when selecting and evaluating organic trace element products. Because the technical formulators of feed enterprises are mostly born with feed nutrition, organic trace elements are classified as fine chemicals. In addition, for the purpose of marketing, different companies have cast a mysterious veil on organic trace elements, and strive to confuse the audience, thus making various viewpoints and arguments flood the entire market.
The above is just the tip of the iceberg in the organic micro-market. In order to break this mysterious veil and give users a clear understanding and understanding, this article selects some of the most common problems in the evaluation and use of organic trace elements, as well as organic trace elements. Detailed analysis and explanation of the future development trend of the product will provide a reference for everyone to choose such products, and also make a footnote for the true appearance of organic trace elements.
2 Industry status
2.1 Organic micro-concepts are unclear
The development of organic trace elements in China has been used for several years, but in the process of visiting the market, many feed enterprise technicians will find that the concept of organic trace elements is vague, or not. clearly. The main reason for this phenomenon is not that our technicians are not enough, but mainly because of the numerous organic trace element manufacturers. In order to support the sales of their own products, various opinions and arguments in the market propaganda are emerging one after another. The market propaganda of “publicly speaking publicly and reasonably saying that the woman is reasonable†has confused the theoretical views that have been established by our formulators. As many misunderstandings, basic chlorinated salts and fumarates are also used as organic trace elements.
In fact, the concept of organic trace elements is relatively broad. The actual organic chemical name referred to at home and abroad is “metal complexâ€. According to the definition of the American Association of Feed Management Officials, organic trace elements include amino acid complexes. Protein complexes, polysaccharide complexes, and the like. Most of the organic trace elements in foreign companies entering the country were protein complexes. At present, the most widely used and most commonly used products in the amino acid complexes are single-form amino acid chelate compounds. To clearly understand what a chelate is, you must explain the concepts of "complexation" and "chelation." When a metal ion is combined with an electron-donating ligand, its product is called a "complex." If the electron donating ligand has two or more electron donating groups, a ring-shaped substance can be formed, which has a structure similar to that of a crab, and is called a "chelate". It is clear that amino acid chelate refers to a substance having a cyclic structure produced by a metal ion and an amino acid of a soluble metal salt in a ratio of 1 mol/L metal to 1 to 3 mol/L amino acid. It is called "amino acid chelate".
2.2 Selection and evaluation of products without reliable standards
In view of the effective evaluation and screening of organic trace elements in the market, it has become the most difficult problem for many companies that have used and wanted organic trace elements. The main reasons may be threefold: 1. Some products do not have corresponding national standards, and the enterprise standard testing methods are inconsistent. 2, there are national standard products, the national standard itself is a problem, the credibility is not complimented by the industry. 3, product update is faster, the newly established detection means may not meet the current product testing needs.
For example, "glycine ferrous chelate", for example, ferrous glycinate is currently the most used product in feed enterprises, and it has a special effect in promoting the formation of blood red color in animals, so that its use effect is approved by our formulator. However, there are many problems in the evaluation of this product. First, the ferrous ferrous sulphate has a national standard, but there are several fatal problems in the national standard. 1. Ferrous ferrous sulphate as an organic product, the molecular formula of the national standard contains inorganic ferrous sulfate, which is unclear. 2, free glycine as an amphoteric substance, requires no water to determine, but the national standard has glacial acetic acid into an aqueous solution. These hard injuries of ferrous glycine make our company's quality control personnel have no choice in choosing the reference standard.
In fact, ferrous glycine as a chemical product, the nature of chelation is relatively simple, the difficulty lies in maintaining sustained stability. Therefore, stability is an important aspect when evaluating products. Some organic trace element companies, the samples sent to customers for testing are very different from the actual products, and the moisture and color of the batches vary greatly. These instabilities, the essence of which reflects the company's lack of ability to grasp the product process, and the lack of quality control testing capabilities. Because of the low-price competition, it is bound to weaken the quality of the product itself.
2.3 use non-standard can follow
Domestic feed enterprises are adding several times or even dozens of times on the basis of NRC or national standard for the addition of inorganic trace elements. The highest level of addition is consistent with the national limit. The reason is very simple, first, the price is cheap, the effect is good, as long as it does not exceed the standard, enjoy the use. Second, the evaluation of the biological potency of trace elements is difficult. There is no very suitable reference standard. The nutritional level of trace elements in pig NRC standards has not changed for 20 years.
Organic trace elements are used as new micro-mineral additives. If the manufacturer does not give a suitable use plan, feed companies do not know how to use them. For some manufacturers who have just entered organic trace elements, they have not done systematic biological research experiments in the early stage, and in view of the pressure of cost, they will not do animal experiments in the later stage. . For these companies, the most effective way is usually to refer to the domestic product use scheme of the old organic trace element manufacturers. Because the manufacturers of organic trace elements in the early stage were mostly transformed into national public relations projects of research institutes, systematic animal physiology, biochemistry and feeding experiments were made, which have scientific reference value.
2 Development trend
2.1 Organic traces will gradually replace the inorganic trace
The use of organic trace elements has become more common. From the perspective of the overall market share, the first few group feed enterprises in China have been using organic trace elements. The most used products are ferrous glycinate chelate and zinc glycinate chelate. Most of the methods used are organic and inorganic, or all organic trace elements are used in some products. From the stage of use of animals, it is added to young animals and poultry.
Why organic trace elements have become the new darling of feed enterprises, the key reasons are three aspects: 1, China's inorganic trace elements exist in many problems. 2. The state has new requirements for feed safety issues. 3. Faced with the frequent occurrence of livestock and poultry diseases and the apparent demand of animals for terminal breeding enterprises, the demand direction of feed enterprises has undergone new changes.
China's inorganic trace elements are mostly by-products of chemical raw materials. For example, the production of 1 ton of titanium dioxide can produce 3 tons of ferrous sulfate. The traditional method of use is only used as a feed additive for simple drying. A large amount of toxic and harmful substances are easily left in these by-products. These residual substances will directly oxidize or catalyze other nutrients in the feed such as vitamins and fats. At the same time, it causes discoloration of the premix, moisture absorption and agglomeration.
The organic trace element production process can remove the residual substances in the inorganic salt well. After the multi-step extraction of the crystalline organic trace elements, the purity of the product is further improved, and the content of heavy metals and residues is lower than that of the inorganic salt. At the lowest level, a lot of heavy metals are almost impossible to detect. At the same time, the organic trace elements on the basis of satisfying the nutritional effects, the functional effects are more prominent.
With the continuous upgrading and innovation of domestic organic trace element technology and the continuous improvement of customer usage, the profit of organic trace elements has gradually been lowered. Manufacturers also "share the price" to achieve extensive cooperation with customers. In view of the value of many aspects of organic trace elements, and the price has reached the acceptable range. Therefore, organic trace elements will gradually replace inorganic traces and become the dominant market.
2.2 composite mine will become the future trend
Specialization and refinement are the needs of this era. After decades of development, feed enterprises have gradually developed into group and scale. The Ministry of Agriculture continuously raises the threshold for feed enterprises through the production license requirements for feed enterprises' hardware and software, and requires feed enterprises to improve their production capacity and testing level. Under the dual pressure of the Ministry of Agriculture and the market, companies can only continue to focus, do what they are best at, and give professional things to professional people. As mentioned above, there are many problems with inorganic trace elements in China. Seven or eight kinds of trace elements in feed, dozens of inorganic and organic monomer forms, if evaluated one by one, will inevitably increase the input of a large amount of human and material resources of feed enterprises, without assessment, will increase the risk of feed safety and stability, especially In the current situation where food safety has been legislated, who dares to take risks.
In this case, custom composite mines are not the most effective and safest solution. According to the different needs of different customers, we will give all the trace element formulas to the micro-element enterprises specialized in R&D and production in a personalized way. The benefits brought by this method are as follows: 1. The problem of reducing the procurement of enterprises, the previous purchase of more than a dozen, now only need to purchase one or several complex mines. 2, reduce the pressure on storage and warehouse, the previous dozens of trace monomers, need to be classified and stored, not only occupy the raw material warehouse, but also long-term storage of inorganic minerals are prone to oxidative discoloration, agglomeration and moisture absorption. Switching to a compound mine can solve such problems. 3. Reduce the input of quality control personnel and the large investment in equipment. 4. Switching to composite mines reduces the cost of the overall operation of the company. Therefore, from the perspective of the development of the whole feed enterprise, the future trace elements will be similar to the form of vitamins, and the customized composite products will also become the main direction of the market.
3 Summary
Organic trace elements have been widely used and the market is gradually maturing. Customers' awareness of such products is becoming more and more rational, and a separate product-centric marketing model cannot meet customer needs. The deeper demands of customers are constantly changing. Therefore, organic trace element manufacturers must constantly grasp the needs of customers. From not just providing organic products, we have to provide a complete solution to help customers solve practical problems. This puts higher demands on our production enterprises. While continuously upgrading the products, we also need to provide customers with scientific, effective and rapid evaluation methods. It is also necessary to thoroughly study the ideal application schemes of organic trace elements.
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