Editorial: Alternative and novel livestock feed: reducing environmental impact.

This document is an editorial titled "Alternative and novel livestock feed: reducing environmental impact" published in the journal Frontiers in Veterinary Science. The editorial discusses the use of alternative feeds and additives in livestock production to reduce the environmental impact and improve animal performance. It highlights various studies that have investigated the effects of different alternative feeds on ruminants, pigs, and poultry. The editorial concludes that alternative feeds and additives have the potential to reduce the environmental impact of livestock production without negatively affecting animal performance, but further research is needed to determine the optimal dosage and avoid adverse effects. [Extracted from the article]