The potential of plant substances for the support of a healthy and productive livestock
The tightening ban on antibiotic growth promoters is expected to bring about changes both in production of farm animals and in the behavior of consumers.
There is no doubt that its positive consequences will involve limited mutation of microbial agents and slower destruction of natural balance (large amounts of these substances have a strong negative impact on the environment, albeit not visible at first sight).
However, there are also negative factors: lower competitiveness and higher prices, although these factors might not be as indisputable.
Mixtures with phytogenic additives are created with the effort to achieve a wider effect, or synergism of the substances it contains:
Certain characteristics of plant metabolites are required for wider use, such as negligible (very low) toxicity, stability during extract preparation (in industrial conditions), high stability in fodder, suitable organoleptic features and availability in sufficient amounts.
However, the concentration of formerly used antibiotic growth promoters was between 10-50 ppm; it is difficult to imagine that the effect of herbal additives will be apparent at concentrations below 100 ppm.
The article also discusses the main phytogenic substances used as feed additives such as fatty acids, polysaccharides, monoterpenes etc and list their suitability for animal use as well as their effects.
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