Where Angels fear to tread: a comparison of NIR instruments for estimating grain quality for livestock

NIR clearly has a major role in this work. Calibrations have been derived or attempted on over 100 grains, either whole or ground, for 52 different chemical and physical properties, several in vitro or in sacco tests, and in vivo dry matter digestibility (DMD) and hence metabolisable energy (ruminants). Similar measurements have also been made with pigs and poultry. This represents one of the largest studies of its type ever conducted.