Parkinson, James EBaldwin, G EPapotto, Pedro H.Humphreys, N EDay, Anthony J.Adamson, A DAllen, Judith ESutherland, Tara2025-10-022025-12Parkinson, J E, Baldwin, G E, Papotto, P H, Humphreys, N E, Day, A J, Adamson, A D, Allen, J E & Sutherland, T 2025, 'Generation of a Ym1 Deficient Mouse utilising CRISPR-Cas9 in CB6 Embryos', Transgenic Research, vol. 34, 44. https://doi.org/10.1007/s11248-025-00455-80962-8819ORCID: /0000-0001-9334-8206/work/193595684https://hdl.handle.net/2164/26145We thank Brian Chan and Adam Johnson for technical support. Hannah Tompkins for technical support and discussion and Rebecca Dodd for discussion and critical reading of the manuscript. In addition, we would like to thank the flow cytometry, bioimaging, and genomic editing unit core facilities at the University of Manchester.203230514engSDG 3 - Good Health and Well-beingCLPsgene duplicationmouse modelCRISPRmixed backgroundQH426 GeneticsSupplementary DataDASSupplementary InformationQH426Journal article10.1007/s11248-025-00455-8