North America

Zilmax trial design defended by lead UNL scientist

Zilmax trial design defended by lead UNL scientist

By Jane Byrne

US researchers, who concluded that controversial cattle feed additive, Zilmax, doesn’t have a detrimental effect on cattle health or well-being, said their study is robust despite criticism this week that it was too narrow in terms of scale.

FDA in bid to support nano-sized feed innovation

FDA in bid to support nano-sized feed innovation

By Jane Byrne

New guidelines on feed nanomaterials from the US regulator could spur the development of products to boost animal weight gain, bind toxins or make feed easier to digest.