Wairarapa sheep farmer Paul Crick is one of hundreds out collecting poo samples from his flock as part of a national study testing for the presence of spores which cause facial eczema in sheep.

You can find photos and read more about the stories in this episode on our webpage, here.

You can find more about the trial, here.

With thanks to:

• Paul Crick, Sarah Riddy and Cara Brosnahan
  

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