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Poultry Nutrition / Pig Nutrition / Animal Feed Additives
essential minerals
Not all mineral sources are created equal, even though they may supply the same nutrient. | Scanrail, Dreamstime
on September 18, 2017

Organic trace minerals: Enhanced stability ensures efficacy

Recent research indicates that when compared to inorganic minerals, the use of chelated minerals has benefits beyond simply enhancing bioavailability.

Pig International exclusive article:

There are many forms of mineral complexes and chelates available for use in animal nutrition, all of which are generically referred to as organic trace minerals (OTMs).

Read the entire article in the September issue of Pig International.

The chemistry of complexation or chelation has created a great deal of confusion in the animal feed industry, yet official definitions remain vague and unhelpful. Typically speaking, OTMs are prepared by reacting inorganic mineral salts with different bonding groups including, organic acids, chemically synthesized amino acids, enzymatically-prepared mixtures of amino acids or small peptides produced from proteins and even polysaccharides. These different bonding groups bind the mineral and aim to ensure that the mineral becomes part of a biologically stable structure. Many different assertions are made as to the relative merits and suitabilities of different bonding groups in forming OTMs, with an even greater number of arguments existing in relation to their relative bioavailabilities.

In this article, you'll learn about:

  • The role of bond strength on OTM stability
  • Organic mineral stability dictates bioavailability
  • Premix and feed antagonisms
  • Importance of carefully choosing premix components

Overall, the available data demonstrates the importance of carefully choosing premix components and indicates that not all OTMs are created equal — some are more stable and less reactive than others. Read the entire article to find out how enhanced stability ensures efficacy.

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