Calves are subjected to a feeding regimen that is much too harsh, according to animal husbandry researchers. When allowed to drink as much as they wish the animals get healthier, happier and will yield more meat and milk.
The sperm from farmed male salmon are just as likely as the sperm of wild salmon to succeed in fertilising wild salmon eggs, experiments have shown. Researchers recommend that farmed salmon be made sterile.
The Arctic climate is entering a new state, say the scientists behind a new pan-Arctic report. But implementing the Paris Climate Agreement in full could stave off some of the biggest changes post 2050.