An estimated 1.3 billion tonnes of food is wasted or lost every year, representing one-third of all that is produced for human consumption. With rising feed costs and increasing sustainability concerns, do former food products have the potential to replace conventional feed ingredients? A study set out to find out.

The study*, which was conducted in Italy, set out to determine if food industry leftovers (or former food products) could offer a valid alternative to grains in young pigs’ nutrition. The research team investigated the possibility of partially replacing standard ingredients with two different types of former food products (namely, bakery or confectionery former food products) and studied their effects on growth performance, feed digestibility and metabolic status in post-weaning piglets.

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