The study also found PFOS exposure in European honey bee colonies led to the birth of smaller young and threatened the viability of their hives, researchers say.
The Littore brothers have had their charges over allegedly conspiring to defraud Rabobank Australia of more than $19 million dropped in the County Court of Victoria.
Two years after farmers began feeling the impacts of what were then record dry conditions, many are celebrating what they say could be the end of the drought.
The use of florfenicol in Tasmania's salmon industry has been banned as the country's veterinary medicine regulator suspends an emergency licence for the antibiotic.