Pulses

'The effect of extrusion on nutrients and the potential interaction of extrusion and protein sources have not been studied extensively in pet food.' © GettyImages/Compassionate Eye Foundation/Martin Barraud/OJO Images Ltd

Extrusion enhances amino acid digestibility in grain-free pet food

By Jane Byrne

A study examining the effects of single and twin thermal screw extrusion on the protein quality of grain-free pet foods including animal- or plant-based protein ingredients found that amino acid digestibility increases after extrusion compared to raw...