Carlos Pavesa

A very interesting and thoughtful review. For me the biggest challenge for Essential Oils and other phytogenic substances is control of the active substances. So often I encounter products claiming content of extracts, or plant materials, with no quantification of levels of active substances. I believe many products do not have adequate QA and/or QC to confirm the levels of such active substances. ...

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BIKRAM KESHARI PAIKARAY 9711169451

Appreciate your positive thinking. It is true that the demand for eggs and meat is rising; meeting the future per capita eggs and meat, is very difficult, unless several organisations and the government work together to achieve this goal. I see the following constraints, continuous availability of good quality feed ingredients, proper hygiene and sanitation, disease control programs in place, vete ...

@Luis Fernando Vergamini Luna ; following up on Prof Leesons' comments. Detailed - ie accurate and precise - understanding of raw material nutrient quality is essential. Matrix values need to incorporate some measure of a specific materials' inherent variability ( I use standard deviation) - effectively building in "safety margin". Standard analysis should include amino acids and energy-supplying ...