dr scott carlo from the university of tasmania hopes he might have the answer with tasmanian government funding he's trialing a new topical treatment for you. at the moment if we want to treat along that from the ranger wall on that we have to use treatments for we have to deliver every week and it's really challenging to do that consistently to a lot of that so what we're trying to look at as a longer lasting single treatment that can protect individuals for up to peps 3 months. suck up to manage causes perhaps the most animal suffering of any disease i've ever worked on and one by the same particularly susceptible one of the reasons is that they live in a bar and in that bar the mines are able to survive off the warm beds for long enough that it can reinfect and one but it's done mount a very good immune response against mange disease and end up getting a very severe form of of the disease called custom mange there's probably no one solution at the moment we don't have any technique that really controls it and while populations and that's perhaps the key challenge. back at the sleepy

state of tasmania giving 500 pilot whales beached on the state's west coast around 30 moved out into open water but several swam back to shore again peter how to sing from southern cross university as well research group says it's unclear what drew the mammals to shore . the real problem is that most of the whales that ended up stranding of peta were already have died and any relatively few have been able to be rescued and some of those at peta were protests and back into the danger zone again so it's a very serious and wiring process going on while such as pilot whales you sign up and they you sign up to help navigate through complex underwater topography and sometimes if the sun are signal heat sandbanks and things like that they don't actually get a return signal so they don't realize that something is in their pathway and they keep swimming assuming it's open ocean we don't really know why so many wild strain we know that pollock whales are very social animals they hardly social like many mammals and they are in big family groups and sometimes i speak family groups aggregate in the p. is somehow that something has drawn the mean close to the coast instead of further offshore