PIC says its gene-edited pig is designed to resist porcine reproductive and respiratory syndrome (PRRS), a disease caused by PRRS virus (PRRSV). The edit alters the pig’s own CD163 gene, which the virus uses to enter cells. PIC announced U.S. Food and Drug Administration approval of the edit in April 2025; Canadian authorities completed separate food and feed assessments in January 2026. Those decisions do not establish that the pigs are broadly available for purchase.
How the edit is intended to block PRRSV
PIC says it removed part of a pig gene that PRRSV uses to infect the animal, without adding foreign material. The Canadian Food Inspection Agency (CFIA) identifies the target as the pig’s endogenous CD163 gene. In its description, the edit deletes scavenger receptor cysteine-rich domain 5 (SRCR5) and includes a single amino-acid substitution in the edited protein.
CFIA explains that SRCR5 is essential to the virus’s interaction with and entry into target cells. The edit is intended to prevent PRRSV from causing infection in the modified pig by disrupting that step. It targets a specific interaction between the virus and the pig’s cells; it is not a general-purpose immunity claim.
PIC says the trait can pass to offspring through conventional breeding. That means the intended resistance can be carried in a breeding line rather than requiring each animal to be edited individually.
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What regulators have decided
United States
On April 30, 2025, PIC announced that the FDA had approved the gene edit used to breed its PRRS-resistant pig. The announcement is the basis for that status here; it should not be read as evidence of approvals in every other country or as proof that the pigs are on sale.
Canada
On January 23, 2026, Health Canada and CFIA announced that they had completed their assessments. Health Canada concluded that food from the pigs it assessed was as safe and nutritious for people as pork currently available in Canada. CFIA concluded that feed ingredients derived from the evaluated pigs raised no livestock-feed safety or nutrition concerns compared with ingredients from pigs already permitted for feed use.
These are distinct Canadian conclusions: Health Canada addressed food for people, while CFIA addressed livestock feed. They apply to the authorities’ assessments and defined uses, not to a worldwide regulatory status.
What the findings say about pork
PIC says its research found no difference in meat quality or composition compared with conventional pigs. Separately, Health Canada’s assessment concluded that food from the pigs it evaluated was as safe and nutritious as currently available pork. The developer’s statement about meat characteristics and the regulator’s safety-and-nutrition conclusion are different claims; neither should be taken to mean that every possible product or use has been assessed everywhere.
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Health Canada reported that Genus PLC had indicated it did not intend to sell the pigs in Canada before obtaining further regulatory authorization in other key markets. That is a company intention relayed by the Canadian government, not a confirmed launch date or a statement about sales in all other countries. The available decisions and announcements do not establish broad commercial availability.
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