Following the attack, the woman was tackled by security - with an elderly bystander reportedly knocked to the ground in the process.
'My concern about today's incident in Albury was for the older lady who was knocked off her feet,' Morrison tweeted.
'I helped her up and gave her a hug. Our farmers have to put up with these same idiots who are invading their farms and their homes.'
While no motivation has been confirmed for the incident, the PM appeared to indicate he believed it was connected to animal rights activism.
The failed stunt appeared to be an attempt to replicate a successful egging of politician Fraser Anning, following his incendiary remarks over the Christchurch massacre - a moment which went viral around the world.
