Abstract
Effects of organometallic chelates and inulin in diets for laying hens on Mn and Fe absorption coefficients and their content in egg and tissue
Highlights
Nowadays, livestock is generally fed highly concentrated diets that are formulated to provide an excess of nutrients to maximize performance (Leeson et al, 2003)
When trace minerals are fed in excess of animal requirements, more is excreted as waste because of homeostatic mechanisms that serve to regulate tissue
Organometallic chelates may be added at a lower concentration in the diet than inorganic salts of trace minerals, without causing any negative effect on production performance and potentially reducing mineral excretion (El-Husseiny, 2012)
Summary
Livestock is generally fed highly concentrated diets that are formulated to provide an excess of nutrients to maximize performance (Leeson et al, 2003). Trace minerals are supplemented in the form of inorganic salts, such as sulphates, oxides and carbonates, to provide levels of minerals that prevent clinical deficiencies and allow the bird to reach its genetic growth potential (Bao et al, 2007). These amounts may be 3-4 times higher than animal requirement (Untea et al, 2011). Organometallic chelates may be added at a lower concentration in the diet than inorganic salts of trace minerals, without causing any negative effect on production performance and potentially reducing mineral excretion (El-Husseiny, 2012)
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