Sheep Mulesing: Welfare Controversy and Alternatives in Australian Wool Production

Mulesing — surgical removal of skin folds around the breech of Merino sheep — is a controversial welfare practice aimed at reducing fly strike. It causes significant acute pain but alternatives are contested in their effectiveness, making this one of woolens most complex welfare debates.

Key Facts

Mulesing involves cutting away wrinkled skin around the tail and perineum without anaesthesia in most cases
It was developed to reduce the incidence of blowfly strike in Merino sheep with wrinkled skin
Australia has approximately 65 million sheep and mulesing is standard practice in most flocks
New Zealand banned mulesing in 2018, making it the first major wool producer to prohibit the practice
Pain relief is not always provided, though its use has increased following welfare campaigns
Non-mulesed wool now commands a price premium in some markets as a welfare marker
Selective breeding for plain-bodied sheep that are less susceptible to flystrike is the long-term alternative
Breeding programmes for plain-bodied sheep require decades to achieve population-level change

Welfare Considerations

Mulesing presents one of the most genuine welfare dilemmas in sheep farming: a painful procedure performed to prevent a potentially more painful and fatal outcome. Fly strike causes prolonged, agonising tissue destruction and death. Mulesing, when it works, prevents this. But mulesing without pain relief causes acute suffering during the procedure and pain for days afterward. The existence of the dilemma does not mean that the current practice is optimal: pain relief provision should be universal and non-negotiable as a minimum welfare standard. Beyond immediate pain management, the long-term solution — selective breeding for plain-bodied, less fly-strike-susceptible sheep — offers a path to making the procedure unnecessary, though the multi-decade timeline requires sustained commitment. Consumer demand for non-mulesed or pain-relief-mulesed wool is a meaningful lever for accelerating both pain management adoption and breeding progress.

What You Can Do

Choose wool certified as non-mulesed or mulesed with pain relief from programs like ZQ Merino
Ask wool brands about their mulesing policy when buying Merino wool garments
Support brands that have committed to non-mulesed wool sourcing with credible timelines
Advocate for mandatory pain relief for mulesing in all Australian sheep welfare regulations
Support funding for accelerated plain-bodied Merino breeding programmes
Reduce Merino wool purchases until robust welfare standards are in place if concerned
Share information about mulesing with other wool consumers to build demand for welfare standards