Phil Rowan, Managing Director at Rowan Food and Biomass Engineering, on processing surplus items to be used for animal feed.

Defecation is commonly treated as a universal feature of animal life, a visible outcome of digestion and metabolic turnover. In biological terms, however, waste handling takes multiple forms, shaped ...

Animals across diverse species, from crocodiles to birds and even young sea lions, intentionally swallow stones, a practice known as gastrolith ingestion. These stones aid digestion by grinding tough ...