Rabbit populations are rampant in greater numbers due to high summer temperatures . Public land managers are now desperate to reduce population numbers due to the millions of dollars worth of damage they cause . rabbits laced with calicivirus are likely to be scattered in public spaces for a second time this year after an initial attempt failed in some areas . About 70 - 100 percent of rabbits die once infected with calicivirus , which damages the animal 's liver and lungs and causes haemorrhaging and death .
Rabbit populations are rampant in greater Sydney due to high summer rain . Public land managers are now desperate to reduce population numbers due to the millions of dollars worth of damage they cause . Carrots laced with calicivirus are likely to be scattered in public spaces for a second time this year after an initial attempt failed in some areas . About 70-100 % of rabbits die once infected with calicivirus , which damages the animal 's liver and gut and causes haemorrhaging and bleeding .