A round-up of the week's agricultural news.

Take a listen to some of the stories making headlines on the RNZ rural newsdesk this week.

Federated Farmers has pointed out at least 500 dairy roles remain unfilled - due to what they call horrendous delays in visa processing - and it couldn't come at a worse time. - calving.

There has been a big spike in cases of leptospirosis in flooded areas in New Zealand.

The Environmental Protection Authority has approved the release of a rust fungus to control the spread of the highly invasive Chilean needle grass in Marlborough.

The Chatham Islands is grappling with an 'out of control' feral pig population that residents say is causing widespread damage.

Go to this episode on rnz.co.nz for more details