https://core.ac.uk/download/pdf/11597823.pdf https://core.ac.uk/download/pdf/11597823.pdf it is a german diploma thesis. 8.2 ff. Basically they say that pigl

https://core.ac.uk/download/pdf/11597823.pdf https://core.ac.uk/download/pdf/11597823.pdf it is a german diploma thesis. 8.2 ff. Basically they say that piglets prefer sweet taste and regular sugar is too expensive. So they can feed bitter tasting junk sweetened artificially.