Michelle McMullen
20 Mar 2025
Drs. James Squires and Christine Bone from the University of Guelph discuss their research on eliminating boar taint without the need for surgical castration through their Swine Cluster 4 project.
An innovative Swine Cluster 4 funded research project at the University of Guelph, led by Drs. James Squires and Christine Bone, is exploring ways to eliminate boar taint without the need for surgical castration. The outcomes of this project could significantly improve animal welfare, pork quality, and sustainability in pork production - a win-win-win for the pork sector.
Boar taint is a multifactorial problem that has traditionally been controlled using castration. However, this practice raises concerns about animal welfare and efficiency. This research seeks to offer alternatives by better understanding the causes of boar taint and finding targeted solutions.
The research team is working on genetic markers to select pigs less likely to develop boar taint and developing nutritional strategies to manage it. By analyzing blood samples from young pigs, they aim to predict which animals will develop boar taint, allowing for the implementation of preventative measures.
Stress plays a key role in boar taint development. Poor housing conditions or transportation can increase stress and, in turn, elevate boar taint levels. Addressing these factors is another important aspect of the research.
This project also includes a collaboration with Carleton University to develop a rapid DNA test for boar taint, which could be used by processing plants to identify and prevent tainted meat from reaching consumers.
Raising intact males could reduce feed costs and make pork production more sustainable by lowering nitrogen excretion and greenhouse gas emissions. This research is set to improve both animal welfare and the environmental footprint of raising pigs in Canada.
The outcomes of this research could pave the way for a more humane and efficient approach to pork production. Removing the need for castration to control boar taint has the potential to transform the industry, offering benefits to producers, consumers, and the environment.
Quote from Dr. Squires
“We've been working on trying to understand the boar taint problem—identifying what the components of boar taint are, and how they're made in the body, and how they're eliminated. And, based on that, we've come up with a number of different processes that we want to try to utilize to be able to develop solutions producers can actually use.”
To learn more about this research project, click here.