Charles River Launches Rat In Vitro Fertility Services Demonstrating Embryology Capabilities

About this update from Charles River Laboratories International, Inc.

As the first commercial provider to deliver in vitro fertility services for rat models, Company demonstrates commitment to the 3Rs WILMINGTON, Mass., April 30, 2026--(BUSINESS WIRE)--Charles River Laboratories today announced an enhanced In Vitro Fertility (IVF) service bundle designed to accelerate rat-model programs across therapeutics areas, including oncology, neurology, cardiology, and metabolic. By leveraging embryo transfer, cryopreservation, and colony rederivation, teams can rapidly recover lines, expand cohorts, and safeguard critical genotypes—while reducing downtime caused by breeding bottlenecks. This offering pairs dedicated project management with optional health monitoring and genetic validation to help ensure continuity across discovery, pharmacology, and translational studies. Researchers working in these therapeutic areas can request a streamlined quote and timeline starting this quarter to keep studies on track and data flowing. "The introduction of rat IVF is an exciting step forward for Charles River, helping shorten breeding timelines and deliver more consistent, predictable outcomes while making it easier to build healthy animal colonies and keep research moving forward," said Colin Dunn, Corporate Senior Vice President, Global Research Models & Services, Charles River. "Introducing this service provides researchers with a new avenue to advance drug development research and help bring treatment to patients faster, while maintaining industry-leading standards." IVF, an enhanced Assisted Reproduction Technique, is an efficient option for working with small animal groups, accelerating project timelines, and accommodating animals of any health status. By replacing natural mating, IVF saves time and reduces the number of animals required. The process fertilizes eggs outside the body, replicating natural fertilization in a laboratory environment to create embryos for implantation, genetic modification, and preservation. IVF supports the rescue of valuable lines, colony expansion, embryo production, recovery of cryopreserved models, and the maintenance of high health standards through rederivation. "For decades, IVF has been leveraged in mouse models to accelerate research timelines," said Matt Bouchard, Executive Director, NA Genetically Engineered Model Services, Charles River. "We are excited to n...

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