This year's long-awaited summer lamb advertising campaign aims pokes fun at the nation's obsession with screens and social media.

Advertiser content: Supplementary feeding of calcium and magnesium to pregnant ewes that don’t show any visual sign of a deficiency is still likely to put the ewes into a better metabolic state and potentially lead to better lamb survival, according to ongoing research funded by AWI.

The draft NSW Biodiversity Bill has been released for public consultation.